This type is OEM main for bearing company in Japan.

Turntable bearing (slewing ring), also known as slewing ring bearing turntable, an affordable large-scale integrated load bearing, Be able to support large axial, radial load and overturning moment. Wheel bearings are generally of a mounting hole, inner gear or outer gear, lubrication holes and sealing devices, which can host design, compact structure, guidance is simple, easy to maintain. LZK wheel bearings with or without gear, external gear and internal gear wheel four-point contact ball bearings, double row angular contact ball wheel bearings, cross-cylindrical roller wheel bearings, cross-tapered roller wheel bearings and three-row cylindrical roller recombination turntable bearing four series.

*Material : 42CrMo.50Mn,etc.