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HRB Four-point contact ball bearing

HRB Four-point contact ball bearing is a separate type bearings, it can also be a two-way bearings can withstand axial load angular contact ball bearings.

The inner and outer raceway is a peach shaped cross section, when no load or a pure radial load, the ball and ring presented to four point contact, which is the origin of the names; when only the pure axial load , the steel ball and the rings became two contacts can withstand a two-way axial load. Four-point contact ball bearings can withstand torque loads, both the single row angular contact ball bearings and double row angular contact ball bearings features. Four-point contact ball bearings can only contact to ensure the formation of two normal work. It is generally applicable to the pure axial load or axial load large synthetic loads were two occasions in contact, four-point contact ball bearings with high speed limits, but also for those high-speed operation of the occasion.

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