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Is It Ok For The Bearings On My BT8 Spindle To Be Loose?


I am measuring .9870 shaft looks good round within a thousandth wheel bearing fit very loose


Expert Reply:

It sounds like you have a BT8 spindle, which should be using the Replacement Trailer Hub Bearing # L44643 for the inner and outer bearing.

The # L44643 bearing has a 1" inner diameter, and when compared to your spindle measuring .9870" there really shouldn't be any looseness, your bearings should have a snug fit.

If the bearings are loose like you mention than you likely have the incorrect sized bearings and would need to swap them out.

Attached is an informational video for you to check out as well.

expert reply by:
Bryce D

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