The 4-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. We could produce the equivalent of some brand.
It is widely used for hoisting,transportation, construction machinery, and the military products.Double row ball slewing bearing has two row rolling balls (with same size), which can bear big axial load, radial load and tilting moment. Safety factor is higher.It can used for different cranes, mining equipment, excavators etc.
The three row roller bearing has three seat rings, which separate the upper, lower and radial raceways, it made each row of the roller’s load capacity can be specified and can bear different loads simultaneously. The capacity load is the largest one compare with the other three models.
Please contact us for any demand. Or you could enquiry us online to get the drawing and price.