Slewing ring Bearing ( also called turnable bearing) It is a large size bearing with special configuration, which can endure biggish multiply load, such as axial & radial load, overturning moment, etc. Typical applications include slewing rings for excavators, cranes, tunneling machines, etc. This our main product, we have much experience in manufacturing kinds of slewing ring bearings, Type: 1. Four contact ball slewing bearing 2. Crossed roller bearing 3. Double-row ball slewing bearing 4. Three-row roller slewing bearing 5. Light flanged slewing ring 6. Slew Drive. 7. Trailer Turntable The production range is from 100mm to 5000mm, CO-WIN is special good at produce large size bearing. We can produce the slewing ring according Rothe-Erde, Rotek, IMO, KAYDON ' s standard and replacement for these bearings at good quality and price. Design department of our factory also can offer our customers to custom bearings.