IKO bearing spring applies preload

The easiest way to apply a preload is to use a spring or spring set. The spring acts on the outer ring of the IKO bearing that can move axially. Even when the IKO bearing has an axial displacement due to thermal expansion, the preload force remains substantially constant.

Applying a load through a spring is a common method of applying a preload to an angular contact ball bearing of a high speed grinding king shaft, but this method is not suitable for IKO bearing applications that require high stiffness, load direction changes, or uncertain impact loads. The angular contact ball bearing section gives specific recommendations for applying a preload with a spring.

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