Whenever a smooth, precisely-controlled, continuous or intermittent rotation of a moment arm is required, Gear Products offers high quality, low-friction slewing ring bearings that are custom engineered for your application such as those associated with truck cranes, digger derricks, aerial platforms, wind turbines and construction hoists. With moment ratings to 2,000,000 ft-lbs, Gear Products slewing ring bearings, we have you covered for your precision rotation needs.