Beijing RKF Mechanical & Electrical Equipment Co., Ltd
Beijing RKF Mechanical & Electrical Equipment Co., Ltd Leading China Bearings Manufacturer!
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Four-point contact ball bearings are radial single row angular contact ball bearings with raceways that are designed to support axial loads acting in both directions. Radial loads can be supported up to a certain fraction of the axial load. These bearings take up considerably less axial space than double row bearings.
four-point contact ball bearings of the QJ design have a contact angle of either 35° or 45°. The inner ring is split. This enables a large number of balls to be incorporated in the bearing thus giving the bearing high load carrying capacity. The bearings are of separable design, i.e. the outer ring with ball and cage assembly can be mounted separately from the two inner ring halves.