slewing bearing inspection

TECHNICAL GUIDE Signs Your Slewing Bearing Needs Replacing Eight warning signs, how to inspect a slewing ring on site, and when repair is no longer the safer option October 2026 | Anhui Yuanfeng Slewing Rings Co., Ltd. Quick answer: A slewing bearing usually gives warning before it fails. The most common signs are increased play or tilting, grinding or clicking noise, rotation that feels rough or heavy, metal particles in the grease, grease leaking from damaged seals, worn gear teeth, and loose or broken mounting bolts. If you see more than one of these, stop heavy use, have the bearing inspected, and start planning a replacement. Waiting until it seizes can damage the machine around it and cost far more than the bearing.   Key Takeaways Play grows before failure. Measure with...