Q: What does Radial Play mean?
A: Radial Play refers to the fit or clearance of the balls in the bearing. The normal range is from C2 to C5. C2 would be the tightest fit and would not have much room allowed for expansion of the balls or misalignment. C5 would be the loosest, where the balls are undersized to allow for some expansion as the bearing heats up or misalignment of the application.
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