Packaging Detail: Bearing surface will be covered with anti-rust oil first 2. Then will be wrapped up with plastic film. 3. Third, with Kraft paper and at last with professional belts. 4. After the advanced packing methods, ensure the bearings be Moisture-proof, Antirust and Oil-proof .Then packed with the wood carton specially fixed with Angle Iron.
Delivery Detail:  Within 30-35 days after contracte established 
 Its used for slewing conveyers,welding arms and positioners,light,medium duty cranes,excavators and other engineering machines.

Slew bearing for Single-row ball(HS Series)

1. Id:320-4500 Od:550-4500mm
2.material: 52Mn,42CrMo
3.OME service
4.ISO9001:2000 certificate
5.R&D capacity

6.Tolerance:ABEC-1 standard

7.Basic loading rating:Dynamic & Static depend on different model

The single-row four points contact ball slewing bearing  is composed of 2 seat-rings.It features compact in design,and light in weight.

 The balls contact with the circular race at four points,via which the axial force,radial force and resultant moment may be born simultaneously.

 It may be used for slewing conveyers,welding arms and positioners,light,medium duty cranes,excavators and other engineering machines.