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Four Point Contact Ball Bearings
Four point contact bearings are similar in their structure to double row angular contact ball bearings, but are considerably narrower in an axial direction due to only one raceway groove. Since the centers of curvature of the arc-shaped raceways on the inner ring and outer ring are offset relative to each other, the balls are in contact with the bearing rings at four points under radial load. For this reason, four point contact bearings are only used under predominantly axial load. Due to the large contact angle on both sides, the bearings can support alternating, pure axial or predominantly axial loads.
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FREQUENTLY ASKED QUESTIONS
What kind of INA four point contact ball bearings do you have in stock?
Go directly to https://pibsales.com/?s=four+point&tab=Products
To purchase INA four point contact ball bearings.
Can you explain the advantages of four point contact ball bearings over double row angular contact ball bearings?
Four point contact bearings are structurally close to double row angular contact ball bearings are single row and require significantly less space in an axial direction than double-row designs. Additionally, they are of a separable design.
The split inner ring leads to easier mounting and dismounting of the bearing.
They have an Improved oil flow and limited inner ring deformation when subjected to high clamping forces.
What are the main uses of four point contact ball bearings in industrial applications?
Applications include screw compressors, turbo retarders, multi-phase pumps, wind turbine gearboxes, railway gearboxes and traction motors.
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