Хятад Дөрвөн цэгийн холхивч үйлдвэрлэгчид ба ханган …
Introduction Four-point contact ball bearings are radial single row angular contact ball bearings with raceways that are designed to support axial loads in both directions. For a given axial load, a limited radial load can also be supported. The bearings are separable, i.e. the outer ring with ba...