The four-point contact ball bearings are radial single row angular contact ball bearings featuring raceways that can handle axial loads acting in both directions. A limited radial load can be supported for a given axial load.
--External gear slewing bearing---we have some model stock
--internal gear slewing bearing---we have some model stock
--without gear slewing bearing--we have some model stock
high speed four point contact ball slewing bearing for tower crane
The four-point-contact ball bearing is a single row angular contact bearings designed to handle two-directional axial loading. These bearings require a minimum amount of space and can be custom designed to meet our customer's unique loading parameters. And the four-point-contact ball bearings can carry either pure axial loading or combined loading provided the axial component is more significant.
For heavy industrial requirements, this style of bearing can be designed as a large slewing ring bearing with bolted down races and internal or external integral gearing.
It may be used for slewing conveyer, tower crane,welding arms and positioners,light,medium duty cranes,excavators and other engineering machines.
Product available including: Single and Double Row Ball, Three Row Roller, Cross Roller Sealed and Unsealed Internal Geared, External Geared and Non-Geared Clearance or Preloaded.
Our xuzhou wanda slewing bearing Product type:
1.Single Row Four Point Contact Ball Slewing Bearings.
2.Single Row Crossed Roller Slewing Bearings
3Double Row Ball Slewing Bearings
4.Three Row Roller Slewing Bearings
5.Thin Section Slewing bearings(Light type).
6.Thin Section Slewing Bearings (Flange type)
Single Row Four Point Contact Type Slewing Bearing Single Row Crossed Roller Type Slewing Bearing.
Double Row Ball Type Slewing Bearing Three Row Roller Type Slewing Bearing
Ball and Roller Combination Type Slewing Bearing.
If you have any question or inquiry,pls feel free to contact us.