A four-point contact ball bearing is a special type of angular contact ball bearing designed to support axial loads in both directions as well as limited radial loads — all within a single bearing.
Common Applications
Four-point contact ball bearings are used when:
Axial load capacity in both directions is needed
Space savings and simplified mounting are important
There’s moderate rotational speed and low-to-medium radial loads
Examples:
Industrial gearboxes
Aerospace applications
Robotics
Rotary tables
Screw compressors
Wind turbines (rotor side)
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