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https://www.masfykj.com/products/single-row-ball-slewing-bearing-ring.html

The single row ball slewing bearing Ring have four points with one row. They could bear axial load, radial load and tilting moment at the same time. And they are composed of two seat rings, which design in compact structure and light weight, steel ball contact with the circular raceway at four points. There are three types of this kind of single row 4 points contact single row ball slewing bearings drive distributors: without gear bearing (non tooth), external gear bearing (external tooth), and Internal gear bearing (internal tooth).

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