Below is a detailed working draft for the Rolling Bearings Improvements Consultancy Proposal and Open-Ended Consultancy Agreement by Khash. It is focused specifically on reducing rolling bearing failures, improving bearing lifecycle practices, and reducing unnecessary bearing consumption from purchasing through warehousing, mounting, dismounting, lubrication, inspection, and failure analysis.

Rolling Bearings Improvements Consultancy Proposal

Open-Ended Consultancy Agreement for Bearing Reliability, Failure Reduction, and Bearing Consumption Optimization

Submitted by: Khash

Credentials: MLE, CLS, MLA III, MLT II, VIM, VPR

Submitted to: [Client Name]

Site / Facility: [Plant / Site Name]

Effective Date: [Date]

Agreement Type: Open-Ended / Call-Off Consultancy Support Agreement

1. Executive Summary

Rolling bearings are among the most common and most critical machine components in industrial equipment. They are used in motors, pumps, gearboxes, fans, blowers, compressors, conveyors, crushers, mills, rollers, turbines, hydraulic units, mobile equipment, and many other rotating assets. Although bearings are precision-engineered components, their actual service life depends heavily on how they are selected, purchased, stored, handled, mounted, lubricated, monitored, removed, inspected, and analyzed after failure.

Khash proposes to provide specialized consultancy services to help [Client Name] improve rolling bearing reliability and reduce unnecessary bearing consumption. The proposed consultancy covers the full bearing lifecycle, beginning from purchasing and technical specification, continuing through warehousing and preservation, and extending into mounting, dismounting, lubrication, alignment, contamination control, condition monitoring, failure analysis, training, and continuous improvement.

The purpose of this consultancy is not only to reduce bearing failures after they occur, but to prevent failures before they are introduced into the system. Many bearing failures begin long before operation. A bearing can be damaged by incorrect specification, counterfeit or low-quality supply, poor storage, moisture exposure, contamination, rough handling, incorrect fitting, hammering, wrong heating practice, misalignment, excessive preload, incorrect internal clearance, over-lubrication, under-lubrication, wrong grease, poor sealing, electrical discharge, vibration during standby, or poor removal practices.

This agreement is designed as an open-ended consultancy agreement, meaning Khash may be called upon by [Client Name] whenever a specific bearing-related need arises. The client may request support for a single bearing failure, a repeated failure problem, a warehouse audit, a mounting training session, bearing standardization, lubrication improvement, failure analysis, procurement review, condition monitoring program, or a complete bearing reliability improvement program.

The consultancy approach is aligned with recognized bearing engineering principles and relevant standards. ISO 15243:2017 classifies rolling bearing damage and failures and describes failure characteristics, appearance, and possible root causes; it also notes that visual features alone may not always be enough and that additional investigation may be required in some cases. (ISO) ISO 281:2007 provides methods for calculating dynamic load ratings and basic or modified rating life, including the influence of reliability, lubrication condition, contaminated lubricant, and fatigue load, while noting that wear, corrosion, and electrical erosion are outside its bearing-life calculation scope. (ISO) ISO 492:2023 addresses dimensional and geometrical characteristics, deviation limits, and tolerance values for radial rolling bearings. (ITEH Standards)

The overall objective is clear: reduce bearing failures, reduce bearing consumption, improve machine reliability, improve technician practices, improve lubrication discipline, and create a structured bearing management system that delivers measurable reliability and cost benefits.

2. Purpose of the Consultancy Agreement

The purpose of this agreement is to establish a flexible technical consultancy framework under which Khash may provide professional support in all areas related to rolling bearing reliability and bearing lifecycle management.

This agreement allows [Client Name] to call Khash for specific bearing-related needs without preparing a new master contract every time. Each assignment may be activated through a call-off request, purchase order, service order, email approval, work instruction, or separately agreed scope of work.

The objectives of the agreement are to:

Reduce premature rolling bearing failures.
Reduce repeated failures on critical and chronic bad-actor equipment.
Reduce unnecessary bearing consumption and stock wastage.
Improve bearing purchasing specifications and supplier control.
Improve warehouse storage, preservation, identification, and shelf-life control.
Improve handling, transport, cleanliness, and damage prevention.
Improve mounting and dismounting practices.
Improve lubrication selection, quantity, frequency, and application method.
Improve contamination control and sealing practices.
Improve alignment, balancing, shaft fit, housing fit, and mechanical installation practices.
Improve bearing inspection, condition monitoring, and failure analysis.
Develop competency among maintenance, reliability, warehouse, and purchasing teams.
Establish KPIs to measure bearing reliability and consumption reduction.
Create a sustainable bearing improvement program rather than temporary corrective actions.

3. Background: Why Bearing Failures Must Be Managed as a System

A rolling bearing failure is rarely an isolated event. In many cases, the visible bearing damage is only the final symptom of a problem introduced elsewhere in the lifecycle.

For example, a bearing may fail in operation because it was contaminated during mounting. It may be contaminated during mounting because the mounting area was not clean, the package was opened too early, or the technician did not have the correct tools. The wrong tool may have been used because the job plan did not specify a proper method. The job plan may be weak because maintenance standards were not established. The bearing may have been overheated during installation because no temperature control was available. The wrong bearing may have been installed because the warehouse item master was unclear or because equivalent bearings were not technically reviewed.

Therefore, bearing reliability improvement must cover the full lifecycle:

Purchasing → Receiving → Warehousing → Handling → Mounting → Lubrication → Operation → Inspection → Dismounting → Failure Analysis → Corrective Action → Standardization

Khash’s consultancy will address this full cycle so that bearing improvements are not limited to replacing failed bearings, but instead focus on removing the causes of failure and reducing recurrence.

4. Main Consultancy Scope Offered by Khash

Khash may provide consultancy, auditing, training, technical review, field support, troubleshooting, failure investigation, documentation, and implementation support across the following bearing management areas.

4.1 Area 1 — Bearing Purchasing, Technical Specification, and Procurement Control

Poor bearing reliability can begin at the purchasing stage. Incorrect bearing selection, unclear specifications, non-approved equivalents, counterfeit parts, wrong clearance class, wrong cage type, wrong seal type, wrong precision class, wrong internal design, or poor supplier control can create failures before the bearing is even installed.

Khash can support the purchasing and procurement process to ensure that bearings supplied to the plant are technically correct, traceable, suitable for the application, and controlled against unauthorized substitutions.

4.1.1 Bearing Technical Specification Review

Khash may review existing bearing specifications for critical and common bearings, including:

Bearing type
Bearing number
Internal clearance
Precision class
Cage type
Seal or shield arrangement
Lubrication feature
Material requirement
Heat treatment requirement
Load capacity
Speed rating
Temperature capability
Fit and tolerance requirements
OEM recommendation
Application requirement
Operating environment
Availability and interchangeability
Supplier technical equivalency

The objective is to ensure that the purchased bearing matches the real operating requirement and is not selected only based on dimensional similarity.

4.1.2 Bearing Equivalency and Interchangeability Review

Khash may evaluate proposed alternative bearings from different manufacturers. This review may include:

Dimensional equivalency
Load rating comparison
Speed rating comparison
Internal geometry differences
Clearance class
Cage design
Seal design
Lubrication compatibility
Operating temperature limits
Material and heat treatment
Precision and tolerance class
OEM approval status
Risk of substitution
Application criticality

Not all equivalent bearing numbers are truly equivalent for a specific machine. Khash may help prevent unsuitable substitutions that could increase failure risk.

4.1.3 Approved Bearing List Development

Khash may help develop an approved bearing list for the site, including:

Approved bearing numbers
Approved manufacturers
Approved alternatives
Non-approved alternatives
Critical application notes
Required clearance class
Required seal or shield type
Required cage type
Required grease or oil compatibility
Procurement notes
Inspection requirements
Minimum documentation requirements

4.1.4 Supplier Qualification and Technical Evaluation

Khash may support procurement in evaluating bearing suppliers, including:

Authorized distributor status
Manufacturer traceability
Certificate of conformity
Country of origin documentation
Batch traceability
Packaging condition
Storage condition at supplier warehouse
Technical support capability
Warranty process
Failure analysis support
Delivery quality history
Counterfeit risk control

4.1.5 Counterfeit and Non-Conforming Bearing Risk Control

Khash may help create controls to reduce the risk of counterfeit, expired, mishandled, or non-conforming bearings entering the plant.

Controls may include:

Approved supplier list
Packaging inspection
Label verification
Traceability review
Visual inspection
Certificate review
Comparison with genuine samples
Quarantine procedure
Non-conformance report process
Supplier corrective action process

4.1.6 Bearing Standardization and Consumption Optimization

Khash may conduct a bearing rationalization study to reduce unnecessary variety and improve standardization without compromising technical suitability.

This may include:

Reviewing all bearing item codes
Identifying duplicate items
Identifying obsolete items
Identifying incorrect descriptions
Identifying same bearing stored under multiple codes
Identifying rarely used but critical bearings
Identifying non-critical excessive stock
Improving minimum and maximum levels
Improving reorder levels
Improving critical spare classification
Reducing emergency purchases
Reducing wrong-bearing issue events

Typical deliverables:

Bearing procurement review report
Approved bearing list
Bearing equivalency matrix
Supplier technical evaluation report
Bearing item master cleanup recommendations
Counterfeit risk control procedure
Bearing standardization and rationalization plan
Procurement technical specification template
Bearing receiving inspection checklist

4.2 Area 2 — Bearing Receiving Inspection and Quality Control

Even if the correct bearing is ordered, risk remains during receiving. A bearing may arrive with damaged packaging, missing traceability, incorrect clearance, wrong suffix, wrong seal type, corrosion, improper preservation, or transport damage.

Khash can support receiving and stores teams in developing inspection and acceptance procedures.

4.2.1 Incoming Bearing Inspection

Khash may define receiving inspection requirements, including:

Purchase order verification
Bearing number verification
Suffix verification
Clearance class verification
Seal or shield type verification
Cage type verification
Manufacturer verification
Packaging condition
Corrosion protection condition
Label and barcode verification
Certificate of conformity review
Damage inspection
Shelf-life status
Documentation control

4.2.2 Quarantine and Non-Conformance Procedure

Khash may develop a process for quarantining bearings that do not meet requirements, including:

Damaged packaging
Missing certificate
Wrong bearing number
Wrong clearance
Suspected counterfeit
Corrosion signs
Contamination exposure
Expired or unknown shelf life
Incorrect supplier
Missing traceability

4.2.3 Critical Bearing Receiving Requirements

For critical bearings, Khash may recommend enhanced controls such as:

Dedicated receiving inspection
Manufacturer documentation review
Photo record
Preservation verification
Controlled storage location
No issue without technical approval
Pre-installation inspection
Fit and application confirmation

Typical deliverables:

Bearing receiving inspection procedure
Bearing receiving checklist
Quarantine procedure
Non-conformance report template
Critical bearing receiving control plan
Supplier corrective action template

4.3 Area 3 — Bearing Warehousing, Storage, Preservation, and Inventory Control

Bearing storage has a direct impact on bearing life. Bearings are precision components with finished raceways, rolling elements, cages, seals, and corrosion protection. Poor storage can cause corrosion, brinelling, fretting, contamination, seal degradation, grease aging, and loss of traceability.

Bearing manufacturers emphasize clean, controlled storage and careful handling. For example, NTN guidance states that most rolling bearings are coated with rust-preventive oil before shipment and recommends indoor storage at room temperature with relative humidity below 60%, avoiding sunlight, external walls, and direct ground storage. (ntnglobal.com)

4.3.1 Warehouse Audit

Khash may audit the bearing warehouse and evaluate:

Cleanliness
Temperature control
Humidity control
Dust exposure
Packaging condition
Storage height
Shelf condition
Floor storage practices
Vibration exposure
Proximity to chemicals
Proximity to wash bays or open doors
FIFO discipline
Shelf-life control
Item identification
Barcode accuracy
Duplicate items
Critical spare storage
Obsolete stock
Opened boxes
Greased bearing shelf life
Sealed bearing shelf life
Corrosion protection
Handling practices
Preservation records

4.3.2 Bearing Storage Standard

Khash may develop a bearing storage standard covering:

Storage temperature expectations
Humidity control
Packaging requirements
Shelf location requirements
No direct floor storage
Protection from vibration
Protection from dust and moisture
Handling requirements
Rotation of stock
Inspection frequency
Expiry review
Opened-package control
Preservation of large bearings
Storage orientation for precision or thin-section bearings
Critical bearing segregation
Returned bearing control

4.3.3 Shelf-Life and Preservation Control

Khash may help define shelf-life controls for:

Open bearings
Sealed bearings
Greased-for-life bearings
Precision bearings
Large bearings
Bearings with special coatings
Bearings with polymer cages
Bearings with rubber seals
Bearings with corrosion-preventive oils
Bearings stored in high-humidity regions

4.3.4 Bearing Inventory Optimization

Khash may support inventory optimization to reduce both shortages and overstock. The review may include:

Fast-moving bearings
Slow-moving bearings
Critical bearings
Duplicate item codes
Wrong descriptions
Alternative bearing codes
Minimum and maximum levels
Reorder quantity
Emergency purchase history
Failure-driven consumption
Planned replacement consumption
Excess stock caused by repeated failures
Obsolete equipment bearings
Stored bearings with unknown history

Typical deliverables:

Bearing warehouse audit report
Bearing storage standard
Bearing preservation procedure
Bearing inventory cleanup report
Shelf-life control register
Critical bearing storage plan
FIFO and inspection checklist
Bearing item master correction list
Obsolete and duplicate stock report

4.4 Area 4 — Bearing Handling, Transport, and Pre-Mounting Cleanliness

Rolling bearings can be damaged before installation through impact, contamination, moisture, wrong lifting, dirty benches, poor hand tools, damaged packaging, or opening the package too early.

Khash can support the development of correct handling practices from warehouse issue until final installation.

4.4.1 Bearing Handling Procedure

Khash may develop procedures covering:

Clean handling
Package opening timing
Use of gloves
Avoiding direct contact with dirty hands
Avoiding impact
Avoiding dropping
Avoiding bearing spinning with compressed air
Avoiding contamination during transport
Dedicated transport boxes
Protection from rain and dust
Use of clean benches
Use of lint-free cloth
Protection of bearing raceways
Handling of large bearings
Handling of precision bearings
Handling of sealed bearings
Handling of pre-greased bearings

4.4.2 Pre-Mounting Area Control

Khash may evaluate and improve bearing mounting work areas, including:

Cleanliness
Dust control
Bench condition
Tool condition
Lighting
Availability of correct tools
Availability of lifting equipment
Availability of heating equipment
Availability of measuring tools
Protection from grinding, welding, and blasting dust
Control of open bearing exposure
Control of grease and lubricant contamination

Schaeffler’s mounting guidance emphasizes that correct mounting and dismounting methods, along with cleanliness and care at the assembly site, are necessary for long bearing service life. (schaeffler.com)

Typical deliverables:

Bearing handling procedure
Bearing transport procedure
Clean mounting area checklist
Bearing handling training material
Pre-mounting inspection checklist
Clean bench and tool requirement list

4.5 Area 5 — Bearing Mounting and Installation Practices

Incorrect mounting is one of the most common causes of premature bearing damage. A high-quality bearing can fail rapidly if it is installed with incorrect force, wrong fit, wrong heating temperature, contamination, misalignment, excessive preload, incorrect clearance reduction, wrong spacer, incorrect locknut torque, or poor seating.

Khash may provide technical support, field coaching, and procedure development for bearing mounting.

4.5.1 Mounting Method Review

Khash may review and recommend correct mounting methods, including:

Cold mounting
Mechanical mounting
Hydraulic mounting
Induction heating
Oil bath heating where permitted
Hot plate heating where appropriate
Press mounting
Adapter sleeve mounting
Withdrawal sleeve mounting
Tapered seat mounting
Large bearing mounting
Spherical roller bearing mounting
Tapered roller bearing mounting
Angular contact bearing mounting
Deep groove ball bearing mounting
Cylindrical roller bearing mounting
Split bearing mounting
Self-aligning bearing mounting

4.5.2 Mounting Tools and Equipment

Khash may evaluate and recommend proper mounting tools such as:

Bearing fitting tool kits
Hydraulic nuts
Hydraulic pumps
Feeler gauges
Dial indicators
Bore gauges
Micrometers
Torque wrenches
Locknut sockets
Induction heaters
Temperature probes
Thermal crayons
Clean lifting slings
Bearing heaters with demagnetization
Puller sets
Mounting sleeves
Impact-free installation tools
Clearance measurement tools

4.5.3 Fit, Tolerance, and Shaft/Housing Review

Khash may review shaft and housing conditions that influence bearing life, including:

Shaft diameter
Housing bore diameter
Roundness
Taper
Cylindricity
Surface finish
Shoulder height
Fillet radius
Seat damage
Fretting corrosion
Loose fit
Excessive interference
Housing distortion
Soft foot
Thermal expansion
Bearing internal clearance selection
Fit selection based on rotating load
Fit selection based on load intensity
Fit selection based on temperature

ISO 492:2023 is relevant to radial bearing dimensional and geometrical characteristics and tolerance values, which makes fit control and interface accuracy important when assessing bearing installation quality. (ITEH Standards)

4.5.4 Internal Clearance and Preload Control

Khash may help define correct practices for internal clearance and preload, including:

Selecting correct clearance class
Measuring initial clearance
Measuring clearance reduction
Avoiding excessive clearance reduction
Avoiding excessive preload
Understanding thermal effects
Matching clearance to fit and operating temperature
Reviewing tapered bore mounting
Reviewing angular contact bearing preload
Reviewing tapered roller bearing end play
Verifying axial location
Documenting final readings

4.5.5 Mounting Procedure Development

Khash may prepare detailed mounting procedures for critical machines, including:

Required bearing
Required tools
Required lubricant
Required drawings
Shaft and housing inspection
Pre-cleaning steps
Measurement steps
Mounting method
Heating temperature limits
Clearance or preload requirements
Torque requirements
Lubrication steps
Seal installation
Post-mounting rotation check
Runout check
Final inspection
Startup checks
Documentation requirements

4.5.6 Installation Witnessing and Field Coaching

Khash may attend bearing installation activities to:

Verify cleanliness
Verify correct bearing
Verify tools
Verify measurements
Coach technicians
Identify bad practices
Record installation data
Review fit and clearance
Confirm lubrication
Confirm post-installation inspection

Typical deliverables:

Bearing mounting procedure
Critical bearing installation checklist
Mounting method selection guide
Tooling gap report
Shaft and housing measurement checklist
Internal clearance calculation sheet
Preload/endplay control procedure
Installation witness report
Technician coaching report

4.6 Area 6 — Bearing Dismounting, Removal, and Maintenance Practices

Dismounting is often treated as a simple removal activity, but it is highly important for reliability improvement. Poor dismounting can damage shafts, housings, seals, spacers, sleeves, and adjacent components. It can also destroy failure evidence before analysis.

Khash may provide support to improve dismounting practices and preserve evidence for root cause analysis.

4.6.1 Dismounting Method Review

Khash may review and recommend correct dismounting methods, including:

Mechanical pullers
Hydraulic pullers
Hydraulic nuts
Oil injection methods
Induction heaters
Controlled cutting where unavoidable
Support of large bearings
Adapter sleeve removal
Withdrawal sleeve removal
Safe handling of hot components
Safe handling of stuck bearings
Avoiding damage to shafts and housings

4.6.2 Failure Evidence Preservation

Khash may develop a failed-bearing preservation process, including:

Do not clean failed bearing before inspection unless instructed
Do not hammer failed bearing surfaces
Do not grind bearing surfaces
Do not mix bearing components
Keep inner ring, outer ring, rolling elements, cage, seals, and grease together
Label bearing location and orientation
Photograph before removal
Photograph during removal
Record operating hours
Record lubricant used
Record failure symptoms
Record vibration and temperature history
Record oil or grease sample data
Store failed bearing in clean bag or container
Prevent corrosion after removal
Send to analysis with full context

4.6.3 Shaft, Housing, and Accessory Inspection

After bearing removal, Khash may inspect or recommend inspection of:

Shaft seats
Housing seats
Fretting marks
Wear marks
Scoring
Corrosion
Out-of-round condition
Oversize or undersize condition
Shoulder damage
Seal wear tracks
Spacer condition
Locknut condition
Sleeve condition
Lubrication holes
Drain paths
Contamination marks

Typical deliverables:

Bearing dismounting procedure
Failed bearing preservation procedure
Dismounting checklist
Failure evidence collection form
Shaft and housing inspection checklist
Post-removal inspection report
Corrective action recommendations

4.7 Area 7 — Bearing Lubrication Improvement

Lubrication is one of the most important drivers of rolling bearing life. The wrong lubricant, wrong quantity, wrong interval, wrong application method, contamination, moisture, grease incompatibility, or poor relubrication route can lead to premature failure.

Khash, with strong lubrication qualifications and experience, can support the bearing lubrication program in detail.

4.7.1 Bearing Lubricant Selection

Khash may review and recommend correct lubricants for bearing applications, considering:

Bearing type
Speed
Load
Temperature
Environment
Sealing arrangement
Relubrication method
Grease thickener type
Base oil viscosity
Base oil type
Additive package
NLGI grade
Dropping point
Mechanical stability
Water resistance
Oxidation stability
Low-temperature performance
High-temperature performance
Compatibility with seals
Compatibility with existing grease
Food-grade requirements
Electric motor requirements
High-speed bearing requirements
Shock-load requirements
Vibration conditions

4.7.2 Grease Quantity and Frequency Calculation

Khash may calculate or verify grease quantities and relubrication intervals for rolling bearings based on:

Bearing dimensions
Bearing type
Speed factor
Operating temperature
Load
Contamination exposure
Moisture exposure
Vertical or horizontal shaft orientation
Bearing housing design
Seal type
Grease type
Purge path
Operating hours
Criticality

4.7.3 Over-Greasing and Under-Greasing Control

Khash may investigate and correct over-greasing and under-greasing problems, including:

Excessive motor bearing temperature
Grease churning
Seal damage
Grease leakage
Starved bearings
Lack of purge
Hardened grease
Incompatible grease mixture
Over-pressurization
Wrong grease gun output
Uncontrolled manual greasing
Lack of ultrasonic feedback
Wrong PM frequency

4.7.4 Grease Gun and Lubrication Tool Control

Khash may define controls for:

Grease gun calibration
Grease output per stroke
Dedicated grease guns by lubricant type
Color coding
Clean couplers
Grease meter use
Ultrasonic lubrication tools
Automatic lubricator setup
Single-point lubricator selection
Centralized lubrication system checks
Grease storage and dispensing cleanliness

4.7.5 Bearing Lubrication Route Optimization

Khash may develop or improve bearing lubrication routes, including:

Route sequence
Lubricant type
Quantity
Frequency
Method
Tool
Safety requirement
Machine running or stopped condition
Inspection points
Feedback readings
Abnormal condition triggers
CMMS task description
Corrective work order triggers

4.7.6 Sealed and Greased-for-Life Bearing Review

Khash may review whether sealed or greased-for-life bearings are suitable, considering:

Temperature
Speed
Load
Contamination exposure
Expected service life
Accessibility
Cost of replacement
Risk of relubrication error
Environmental exposure
OEM design requirement

Typical deliverables:

Bearing lubrication review report
Bearing grease selection matrix
Bearing relubrication calculation sheet
Lubrication route sheets
Grease gun calibration procedure
Over-greasing/under-greasing investigation report
Automatic lubricator recommendation
Bearing lubrication standard operating procedure
Bearing lubrication CMMS job plans

4.8 Area 8 — Contamination Control, Sealing, and Cleanliness

Contamination is one of the most destructive causes of rolling bearing failure. Solid particles can dent raceways, increase wear, initiate fatigue, damage cages, and shorten grease or oil life. Water can cause corrosion, hydrogen-related damage mechanisms, lubricant degradation, grease softening or hardening, and loss of film strength.

Khash may support contamination control for bearing applications.

4.8.1 Contamination Source Identification

Khash may identify contamination sources such as:

Dirty mounting environment
Opened bearing packaging
Dirty grease guns
Dirty grease fittings
Damaged seals
Poor bearing housing design
Moisture ingress
Washdown exposure
Dust exposure
Process material ingress
Breather problems
Poor storage
Contaminated lubricant
Poor purge practice
Contaminated tools
Dirty shaft or housing during installation

4.8.2 Sealing Review

Khash may review bearing sealing arrangements, including:

Contact seals
Non-contact seals
Labyrinth seals
V-ring seals
Taconite seals
Bearing isolators
Grease purge arrangements
Housing seals
Shaft sleeve condition
Seal wear tracks
Seal compatibility with lubricant
Seal suitability for dust, moisture, steam, chemicals, or washdown

4.8.3 Cleanliness Standards

Khash may establish cleanliness expectations for:

Bearing storage
Mounting benches
Tools
Grease transfer
Lubricant containers
Housings
Shafts
Seals
Automatic lubrication reservoirs
Oil-lubricated bearing systems
Critical bearing rebuilds

Typical deliverables:

Bearing contamination control assessment
Sealing improvement report
Cleanliness checklist
Bearing housing improvement recommendations
Lubricant cleanliness control plan
Seal selection review
Contamination root cause report

4.9 Area 9 — Alignment, Balancing, Machine Condition, and Operating Factors

A bearing may fail even when it is correctly purchased, stored, mounted, and lubricated if the machine is misaligned, unbalanced, overloaded, operating at high temperature, exposed to vibration, or affected by resonance.

Khash may support bearing reliability by reviewing the operating and mechanical conditions that influence bearing stress.

4.9.1 Alignment Review

Khash may review:

Shaft alignment
Coupling alignment
Thermal growth correction
Soft foot
Pipe strain
Baseplate condition
Machine movement after startup
Alignment procedure quality
Alignment tool calibration
Alignment acceptance criteria

4.9.2 Balance and Vibration Review

Khash may review:

Unbalance
Misalignment signatures
Looseness
Resonance
Bearing defect frequencies
Gear mesh effects
Electrical faults in motors
Belt defects
Pulley alignment
Fan blade buildup
Cavitation effects
Structural looseness
Foundation issues

4.9.3 Operating Condition Review

Khash may review operating factors such as:

Overload
Low-load skidding
Rapid starts and stops
Standby vibration
High temperature
Low temperature
Process contamination
Moisture exposure
Incorrect operating speed
Poor cooling
Poor ventilation
Electrical discharge through bearings
VFD-related bearing currents
Poor grounding
Improper bearing insulation

Typical deliverables:

Bearing operating condition review
Alignment improvement recommendations
Vibration and bearing condition summary
Bad actor equipment review
Electrical discharge risk review
Corrective action list
Reliability improvement plan

4.10 Area 10 — Bearing Condition Monitoring and Inspection

Bearing failures should be detected early enough to plan maintenance before catastrophic damage occurs. Khash may support the improvement of condition monitoring and inspection practices.

4.10.1 Bearing Inspection Program

Khash may develop inspection standards covering:

Noise
Temperature
Vibration
Lubricant leakage
Grease condition
Seal condition
Contamination signs
Housing condition
Oil level
Grease purge condition
Abnormal smell
Looseness
Coupling condition
Foundation bolts
Dust buildup
Motor bearing condition
Fan and pump bearing housings

4.10.2 Vibration and Ultrasound Integration

Khash may support the use of vibration and ultrasound for:

Early bearing defect detection
Lubrication condition monitoring
Grease quantity feedback
Over-greasing prevention
Under-lubrication detection
Trending bearing condition
Confirming corrective action effectiveness

4.10.3 Thermal Monitoring

Khash may support temperature monitoring through:

Infrared inspection
Contact temperature readings
Temperature trending
Alarm limits
Post-lubrication temperature verification
Startup temperature checks
Bearing housing temperature standards

4.10.4 Oil and Grease Analysis for Bearings

For oil-lubricated bearings, Khash may review oil analysis data including:

Wear metals
Particle count
Water
Viscosity
Oxidation
Additive depletion
Ferrous density
Debris analysis
Filter debris
Microscopic wear particle analysis

For grease-lubricated bearings, Khash may recommend grease analysis where appropriate, including:

Consistency change
Contamination
Wear debris
Oxidation
Remaining useful grease condition
Base oil separation
Thickener condition

Typical deliverables:

Bearing inspection checklist
Bearing condition monitoring plan
Ultrasound lubrication route recommendation
Temperature monitoring guideline
Oil/grease analysis recommendation
Bearing alarm and action matrix
Monthly bearing condition report

4.11 Area 11 — Bearing Failure Analysis and Root Cause Analysis

Bearing replacement alone does not solve repeated failures. If the failed bearing is not analyzed, the same failure mechanism may continue. Khash may provide structured bearing failure analysis and root cause analysis.

4.11.1 Failure Analysis Method

Khash may conduct failure analysis based on:

Failure history
Equipment history
Bearing application
Bearing number and suffix
Operating hours
Installation history
Lubricant history
Lubrication route records
Grease quantity and frequency
Vibration data
Temperature data
Load and speed
Shaft and housing fit
Alignment records
Failed bearing visual inspection
Damage pattern identification
Cage condition
Rolling element condition
Raceway condition
Seal condition
Corrosion signs
Wear signs
Electrical erosion signs
Lubricant condition
Contamination evidence

ISO 15243:2017 is directly relevant to this process because it classifies rolling bearing damage and failure modes and describes their appearance and possible causes. (ISO)

4.11.2 Common Bearing Failure Modes Investigated

Khash may investigate damage related to:

Rolling contact fatigue
Surface distress
Abrasive wear
Adhesive wear
Corrosion
Fretting corrosion
False brinelling
Plastic deformation
True brinelling
Electrical erosion
Fluting
Cage damage
Smearing
Scoring
Overheating
Lubricant starvation
Over-lubrication
Contamination denting
Moisture damage
Incorrect fit
Excessive preload
Insufficient clearance
Misalignment
Shaft current damage
Poor mounting force path
Seal failure
Handling damage

4.11.3 Root Cause Analysis

Khash may facilitate RCA using methods such as:

5 Why analysis
Fishbone diagram
Fault tree analysis
Failure mode and effects review
Evidence-based cause mapping
Maintenance practice review
Lubrication practice review
Procurement review
Warehouse review
Human-factor review
Procedure compliance review

4.11.4 Corrective and Preventive Actions

Khash may develop practical corrective and preventive actions such as:

Change bearing type
Change clearance class
Change cage type
Change seal type
Improve fit
Repair shaft
Repair housing
Improve alignment
Improve balance
Change lubricant
Adjust grease quantity
Adjust grease frequency
Improve contamination control
Improve mounting tools
Improve warehouse storage
Improve supplier control
Introduce training
Modify CMMS task
Add inspection point
Add ultrasound monitoring
Improve failed bearing preservation
Add electrical grounding or insulated bearing solution where justified

Typical deliverables:

Bearing failure analysis report
RCA report
Failure evidence photographs
Failure mode classification
Cause-and-effect analysis
Corrective action plan
Preventive action plan
Updated mounting/lubrication recommendations
Repeat failure prevention report
Lessons learned document

4.12 Area 12 — Training, Competency, and Field Coaching

Bearing reliability depends heavily on technician competency. Even the best bearing and lubricant will fail if technicians do not understand correct handling, mounting, lubrication, and failure preservation.

Khash may provide practical and classroom training for relevant teams.

4.12.1 Training Topics

Training may include:

Rolling bearing fundamentals
Bearing types and applications
Bearing numbering and suffixes
Bearing internal clearance
Bearing fits and tolerances
Bearing storage and preservation
Bearing handling and cleanliness
Mounting methods
Dismounting methods
Use of induction heaters
Use of hydraulic tools
Grease lubrication fundamentals
Grease quantity and frequency
Over-greasing and under-greasing
Contamination control
Sealing systems
Bearing condition monitoring
Bearing failure modes
Failure evidence preservation
Bearing RCA
Warehouse and purchasing controls

4.12.2 Role-Based Training

Khash may develop role-based training for:

Maintenance technicians
Reliability engineers
Condition monitoring technicians
Lubrication technicians
Warehouse staff
Purchasing staff
Supervisors
Planners
Operations personnel
Contractors

4.12.3 Field Coaching

Khash may provide practical coaching during:

Bearing removal
Bearing inspection
Shaft and housing measurement
Bearing heating
Bearing mounting
Grease application
Startup inspection
Failure evidence preservation
RCA workshop

Typical deliverables:

Bearing training matrix
Training materials
Attendance record
Competency checklist
Practical assessment form
Field coaching report
Technician improvement recommendations

4.13 Area 13 — CMMS, Job Plans, and Work Management

Bearing reliability improvements must be embedded into daily maintenance systems. Khash may support CMMS improvement to ensure bearing-related tasks are clear, accurate, and repeatable.

Services may include:

Bearing replacement job plans
Critical bearing installation procedures
Lubrication PM review
Inspection route development
Failed bearing preservation task
Alignment task requirement
Shaft and housing measurement requirement
Tool list inclusion
Safety steps
Quality hold points
Post-maintenance checks
Startup checks
Failure codes
Cause codes
Bearing consumption tracking
Repeat failure flags
Corrective action tracking

Typical deliverables:

CMMS bearing PM cleanup report
Bearing replacement job plan templates
Bearing failure code recommendations
Work order feedback fields
Bearing quality hold-point checklist
Maintenance planner guidance document

4.14 Area 14 — Bearing Consumption Reduction and Cost Optimization

The goal is not simply to buy cheaper bearings. The goal is to reduce the total cost of bearing ownership by reducing failures, emergency purchases, rework, downtime, wasted inventory, wrong installations, and unnecessary replacements.

Khash may support bearing consumption reduction through:

Historical consumption review
Cost by equipment
Cost by bearing type
Cost by failure mode
Repeat failure identification
Emergency purchase tracking
Stock duplication review
Replaced-but-not-failed bearing review
Condition-based replacement opportunities
PM interval review
Over-maintenance identification
Bad actor ranking
High-consumption area review
Supplier performance review
Lubrication-related consumption review
Maintenance practice improvement

Suggested KPIs:

Total bearing consumption per month
Bearing consumption by area
Bearing cost by asset
Emergency bearing purchases
Repeat bearing failures
Mean time between bearing failures
Percentage of bearing failures analyzed
Percentage of failures with RCA completed
Percentage of corrective actions closed
Number of wrong-bearing issue events
Number of bearing warehouse non-conformances
Lubrication compliance for bearing points
Over-greasing incidents
Under-greasing incidents
Bearing installation quality audit score
Critical bearing storage compliance
Bearing-related downtime
Bearing-related maintenance cost

Typical deliverables:

Bearing consumption analysis report
Bad actor bearing list
Bearing cost reduction roadmap
High-consumption asset review
Bearing KPI dashboard
Monthly/quarterly bearing reliability report
Cost avoidance summary

5. Proposed Rolling Bearing Improvement Program by Khash

Khash recommends a structured program rather than isolated troubleshooting. The program may be implemented in phases.

Phase 1 — Kick-Off and Data Collection

Khash will request and review available information such as:

Bearing consumption history
Bearing purchase records
Bearing stock list
Critical bearing list
Equipment failure history
CMMS work orders
Lubrication PMs
Vibration reports
Oil analysis reports
Grease types used
Bearing supplier list
Warehouse procedures
Mounting procedures
Training records
OEM manuals
Drawings
Alignment reports
Root cause reports

Phase 2 — Site Assessment

Khash may conduct a field assessment covering:

Bearing warehouse
Receiving process
Critical bearing storage
Maintenance workshop
Mounting area cleanliness
Tool availability
Induction heater use
Puller and hydraulic tool availability
Lubrication tools
Grease storage
Bearing handling practices
Dismounting practices
Failed bearing preservation
Bad actor machines
Condition monitoring practices
CMMS job plans

Phase 3 — Gap Analysis

Khash will identify gaps related to:

Purchasing
Supplier control
Item master accuracy
Storage and preservation
Handling
Mounting
Dismounting
Lubrication
Contamination control
Alignment and balancing
Inspection
Condition monitoring
Failure analysis
Training
KPIs
Management ownership

Phase 4 — Risk Ranking and Improvement Roadmap

Findings may be ranked according to:

Safety risk
Production impact
Failure frequency
Cost impact
Ease of implementation
Required investment
Reliability benefit
Urgency

The roadmap may include:

Immediate corrective actions
Quick wins
Medium-term improvements
Long-term system improvements
Required tools
Required training
Required procedure updates
CMMS changes
Warehouse changes
Procurement changes
KPI tracking

Phase 5 — Implementation Support

Khash may support implementation through:

Procedure writing
Training
Field coaching
Tool specification
Warehouse improvement
Mounting audits
Lubrication optimization
Failure analysis
CMMS task improvement
Monthly reporting
Management review meetings

Phase 6 — Verification and Continuous Improvement

Khash may help verify results through:

Reduction in repeat failures
Reduced bearing consumption
Improved bearing installation quality
Improved lubrication compliance
Improved warehouse audit score
Improved RCA completion rate
Lower emergency purchases
Lower bearing-related downtime
Improved technician competency

6. Open-Ended Consultancy Agreement Structure

This agreement is intended to operate as a master consultancy framework. It does not obligate [Client Name] to issue a fixed amount of work, and it does not obligate Khash to perform any assignment unless the specific request is accepted by both parties.

6.1 Call-Off Request

[Client Name] may request Khash’s services for any bearing-related requirement, including:

Repeated bearing failure
Emergency bearing failure investigation
Bearing warehouse audit
Mounting or dismounting training
Lubrication review
Bearing specification review
Bearing supplier review
Bearing consumption reduction study
Bad actor machine investigation
Critical bearing installation witnessing
Failed bearing analysis
RCA workshop
CMMS bearing PM review
Bearing standardization project
Condition monitoring improvement
Shutdown bearing support

The call-off request should include, where available:

Site or area
Equipment tag number
Bearing type or number
Problem description
Urgency
Required support date
Required deliverable
Available data
Contact person
Purchase order or authorization

6.2 Scope Confirmation

For each assignment, Khash may issue a short scope confirmation defining:

Objective
Scope of work
Methodology
Required client support
Required documents
Site access needs
Deliverables
Commercial terms
Assumptions
Exclusions

Work may begin after written acceptance by [Client Name], unless emergency support is verbally approved and then confirmed in writing.

6.3 Types of Support

Khash may provide:

Remote technical consultation
On-site assessment
Field inspection
Installation witnessing
Failed bearing inspection
Failure analysis
RCA facilitation
Training
Warehouse audit
Procurement review
CMMS review
Lubrication review
Condition monitoring review
Monthly or quarterly advisory support

7. Deliverables Available Under This Agreement

Depending on the assignment, Khash may provide:

Rolling bearing reliability assessment report
Bearing lifecycle gap analysis
Bearing procurement specification
Approved bearing list
Bearing equivalency matrix
Supplier technical evaluation report
Counterfeit risk control procedure
Receiving inspection checklist
Bearing warehouse audit report
Bearing storage and preservation standard
Bearing item master cleanup list
Bearing handling procedure
Mounting procedure
Dismounting procedure
Critical bearing installation checklist
Shaft and housing inspection checklist
Internal clearance measurement procedure
Preload/endplay control procedure
Bearing lubrication standard
Grease quantity and frequency calculations
Lubrication route sheets
Grease gun calibration procedure
Contamination control report
Sealing improvement report
Alignment and operating condition review
Bearing inspection checklist
Condition monitoring plan
Bearing failure analysis report
RCA report
Corrective and preventive action plan
Training materials
Competency assessment records
CMMS job plan templates
Bearing consumption analysis
Bearing KPI dashboard
Monthly bearing reliability report
Management review presentation

8. Responsibilities of Khash

Khash shall, for each agreed assignment:

Provide professional consultancy in rolling bearing reliability and bearing lifecycle improvement.
Use recognized engineering, lubrication, maintenance, and failure analysis practices.
Review information provided by [Client Name] and identify practical improvement opportunities.
Provide objective recommendations based on available evidence.
Identify limitations, assumptions, and exclusions in reports where applicable.
Maintain confidentiality of client information.
Follow site HSE rules while on site.
Notify the client of any serious reliability, safety, or environmental concerns observed during the work.
Support practical implementation where requested.
Avoid recommending unnecessary replacement, unnecessary stock, or excessive technical complexity where simpler solutions are adequate.

9. Responsibilities of [Client Name]

[Client Name] shall:

Provide safe access to the site and equipment.
Provide relevant drawings, manuals, work orders, failure history, bearing records, and lubricant records where available.
Assign a focal point for each assignment.
Provide access to relevant maintenance, reliability, operations, purchasing, warehouse, and HSE personnel.
Provide failed bearings and related evidence when failure analysis is requested.
Preserve failed bearing evidence as much as practical before Khash inspection.
Provide purchase order or written authorization before work begins, unless emergency support is separately approved.
Review and approve recommendations before implementation.
Ensure that final implementation decisions comply with site procedures, OEM requirements, safety rules, warranty conditions, and management-of-change requirements.
Provide required permits, inductions, isolations, and HSE support for site work.

10. Commercial Structure

The commercial model may be agreed per assignment.

10.1 Possible Pricing Models

Khash may provide services under:

Hourly rate
Daily rate
Fixed-price assignment
Monthly retainer
Emergency call-out rate
Remote consultation rate
Training day rate
Failure analysis report fee
Project milestone-based fee

10.2 Reimbursable Expenses

Unless otherwise agreed, reimbursable expenses may include:

Travel
Accommodation
Meals
Local transport
Visa or permit cost
Specialist testing cost
Laboratory analysis cost
Sample shipping cost
Printing or documentation cost
Required PPE beyond standard PPE
Freight for failed bearings or samples

10.3 Purchase Order

Each call-off assignment may require a purchase order or written authorization before work begins. For urgent failure investigations, the parties may agree to proceed based on emergency approval and complete the formal purchase order afterward.

11. Response Categories

Routine Support

Used for normal audits, reviews, training, or improvement projects.

Typical examples:

Warehouse audit
Procedure development
Bearing standardization
Training
CMMS review

Response: within [3–5] working days, or as agreed.

Priority Support

Used for significant reliability issues or repeated failures affecting production.

Typical examples:

Repeated bearing failures
High bearing consumption
Abnormal vibration trend
Critical bearing installation support
Bad actor equipment investigation

Response: within [24–48] hours, subject to availability.

Emergency Support

Used for urgent failures or major production threats.

Typical examples:

Catastrophic bearing failure
Repeated failure after repair
Major contamination event
Critical equipment unavailable
Bearing failure threatening production shutdown

Response: as soon as practicable, subject to availability and site access.

12. Confidentiality

Khash shall treat all client data as confidential, including:

Equipment data
Failure history
Bearing consumption data
Purchase records
Supplier information
Drawings
Reports
Photos
Operating conditions
Maintenance records
Commercial information

Khash shall not disclose client-specific information to third parties without written approval, except where necessary for approved laboratory analysis, specialist technical review, or legal requirements.

13. Intellectual Property and Use of Deliverables

Unless otherwise agreed:

Reports and deliverables prepared specifically for [Client Name] may be used internally by [Client Name].
Khash retains ownership of pre-existing templates, methods, training structures, technical know-how, and calculation tools.
[Client Name] shall not resell, publish, or externally distribute Khash materials without written approval.
Khash shall not publish client-specific results, photos, or case studies without written approval from [Client Name].

14. Limitations and Disclaimers

Khash provides technical consultancy based on available information, site observations, evidence, and professional judgment.
Final implementation decisions remain the responsibility of [Client Name].
Khash does not act as the bearing manufacturer or OEM unless specifically authorized.
Khash does not guarantee elimination of all bearing failures, but will provide recommendations intended to reduce failure risk and recurrence.
Bearing life calculations and estimates are dependent on data quality, operating conditions, assumptions, and the limitations of the selected calculation method.
Any change to bearing type, clearance, fit, lubricant, seal arrangement, mounting method, or operating condition should be reviewed through [Client Name]’s management-of-change procedure.
Warranty-related decisions should be confirmed with the OEM or bearing manufacturer where required.
Legal, regulatory, insurance, and contractual compliance remain the responsibility of [Client Name] and its appointed representatives.

15. Health, Safety, and Environmental Requirements

For on-site work, Khash shall comply with site safety rules and permit requirements.

[Client Name] shall provide:

Site induction
Required permits
Equipment isolation
Safe access
Hazard information
Lifting support where required
PPE requirements
Escort or focal point where required

Khash may stop or decline work if:

Equipment is not safely isolated
Lifting is unsafe
Hot work or cutting risk is uncontrolled
Bearing removal presents uncontrolled stored-energy risk
Work area is contaminated or unsafe
Required permits are unavailable
Proper tools are unavailable for safe work

16. Management of Change

Any recommendation involving a change to bearing design, manufacturer, clearance, fit, lubrication, seal design, mounting method, operating condition, inspection interval, or maintenance strategy should be managed through [Client Name]’s management-of-change system.

Khash may support the technical justification, risk review, and implementation plan.

17. Agreement Duration

This agreement shall commence on [Effective Date] and remain valid until terminated by either party.

Because this is an open-ended consultancy agreement, there is no minimum work volume unless a separate retainer or minimum commitment is agreed.

18. Termination

Either party may terminate this agreement by giving [30] days written notice.

Any approved assignment already in progress shall be completed, suspended, or cancelled by mutual agreement. Fees and expenses incurred up to the termination date shall remain payable.

19. Proposed Initial Work Plan

Although this agreement is open-ended, Khash recommends beginning with a baseline rolling bearing reliability assessment.

Initial Step 1 — Kick-Off Meeting

Purpose:

Confirm business objectives
Identify high-consumption bearing areas
Identify repeated failure assets
Identify critical equipment
Confirm available data
Confirm warehouse and maintenance access
Confirm reporting format
Agree priority areas

Initial Step 2 — Bearing Consumption and Failure Data Review

Khash may review:

Bearing purchase history
Bearing issue history
Bearing cost history
Failure history
Work orders
Downtime records
Vibration reports
Lubrication PMs
Oil/grease analysis records
Emergency purchase records
Repeated failure records

Initial Step 3 — Warehouse and Procurement Review

Khash may review:

Bearing item master
Duplicate stock
Critical bearing storage
Packaging condition
Shelf-life control
Supplier control
Receiving inspection
Stock accuracy
Obsolete stock
Wrong descriptions
Bearing equivalents

Initial Step 4 — Field and Maintenance Practice Review

Khash may review:

Mounting tools
Dismounting tools
Induction heaters
Grease guns
Cleanliness practices
Installation procedures
Technician practices
Bearing handling
Failed bearing preservation
Shaft and housing inspections
Lubrication routes
Alignment practices

Initial Step 5 — Bad Actor Bearing Review

Khash may identify and rank equipment with:

Highest bearing consumption
Repeated bearing failures
Highest bearing cost
Highest bearing-related downtime
Frequent emergency bearing purchases
Poor lubrication condition
Poor installation history
Unclear root cause

Initial Step 6 — Gap Report and Roadmap

Khash may issue a report including:

Current condition summary
Key failure risks
Purchasing gaps
Warehouse gaps
Mounting and dismounting gaps
Lubrication gaps
Contamination control gaps
Training gaps
Bad actor list
Priority recommendations
Quick wins
Implementation roadmap
Suggested KPIs
Estimated benefits

20. Expected Value from Khash’s Bearing Consultancy

The expected value of Khash’s rolling bearing consultancy may include:

Reduced bearing failures
Reduced repeat failures
Reduced bearing consumption
Reduced emergency purchases
Reduced bearing-related downtime
Improved machine availability
Improved bearing storage condition
Improved supplier and procurement control
Improved bearing installation quality
Improved lubrication accuracy
Reduced over-greasing and under-greasing
Reduced contamination-related failures
Improved technician competency
Improved RCA quality
Better failed bearing evidence preservation
Better CMMS bearing job plans
Better warehouse item master accuracy
Lower total bearing ownership cost
Longer bearing life
Higher confidence in critical rotating equipment

21. Conclusion

Khash offers [Client Name] a comprehensive and practical rolling bearing improvement consultancy covering the full lifecycle of bearing reliability: purchasing, receiving, warehousing, preservation, handling, mounting, dismounting, lubrication, contamination control, alignment, condition monitoring, failure analysis, training, CMMS improvement, and bearing consumption reduction.

The proposed open-ended agreement allows [Client Name] to call Khash whenever a specific bearing-related issue arises, while maintaining a clear framework for scope, responsibilities, deliverables, confidentiality, technical quality, and commercial control.

The central objective is to move from repeated bearing replacement to systematic bearing reliability improvement. This means reducing the causes of failure, improving installation and lubrication practices, strengthening warehouse and procurement discipline, preserving failure evidence, and using structured root cause analysis to prevent recurrence.

Through this consultancy, Khash can support [Client Name] in reducing bearing failures, reducing unnecessary bearing consumption, improving rotating equipment reliability, and lowering the total cost of bearing ownership.

22. Acceptance

For and on behalf of [Client Name]

Name: ___________________________
Title: ___________________________
Signature: _______________________
Date: ___________________________

For and on behalf of Khash

Name: ___________________________
Title: ___________________________
Signature: _______________________
Date: ___________________________

Khash, MLE, CLS, MLA III, MLT II, VIM, VPR