grab loader slewing ring

Application Guide Slewing Bearings for Scrap Handlers and Grab Loaders How the right slewing ring survives the toughest material handling duty Guide from Anhui Yuanfeng Quick Answer A scrap handler or grab loader slewing bearing is the large rotary bearing under the machine's upper structure that lets the cab, boom, and grapple swing through a full working circle while carrying the entire weight of the load. Because these machines grab heavy, uneven loads and swing them thousands of times per shift, their slewing rings face higher tilting moments, harder impacts, and dirtier environments than most excavator bearings - so they need the right type, the right size, and verifiable quality. ◆ Key Takeaways 1. Tilting moment is the design driver: A loaded grapple at the end of a long...