Tensun products are mainly made by cusomer design. Besides, with more than 10 years experience, Tensun also can make some spare parts for various applications.

Our typical Single-row four point contact ball slewing ring bearing is mainly for Excavator application.

The single row four point ball contact slewing ring gear is an example of highest quality standard which has High stiffness and strength, low friction and long service time. It is made using precise machining, high controlled hardening process, sufficient inspection in process and qualified materials.
The ball size is generally chosen with respect to the axial load and radial load coming on the swing bearing.

We are able to make most popular excavators slewing bearing, few of models of we can provide genuine parts for aftermarket. 
The excavator brand like Komatsu, Caterpillar, Volvo, Hitachi, Kobelco…and some brand of cranes.
The slewing ring bearing for spare parts have been delivered to over 30 countries。         

SPARE PARTS