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Bearings with compensation for thermal expansion WAL..

Bearings with compensation for thermal expansion WAL..

These so-called WAL bearings are deep groove ball bearings with two plastic rings injected in the outer ring.

These compensate for the differing coefficients of thermal expansion between the bearing, the material and the housing (aluminium).

In order to prevent damage to the polyamide rings, the housing bore must have a lead chamfer of 15 degrees.

Deep groove ball bearings WAL