A rolling bearing is a precision component, not just a hardened steel ring. Its inner ring, outer ring, rolling elements, cage, seals, lubricant film, raceway geometry, clearance, and preload are all designed to work within very small dimensional limits. When a hammer, drift, punch, chisel, or other small-area tool strikes a bearing directly during mounting, … Continue reading What Happens When a Point-Contact Hammer Hits a Rolling Bearing During Mounting