Originally Posted by mrjake
Does anyone know the dimensions for the p/n 1731 bearings for the Heavy Duty One Way p/n 1729? Associated gives them as 3/8x5/16, but that can't be correct because the standard ball diff bearings are 3/8 id x 5/8 od and these bearings go in the diff housing at the same place. The standard 3/8x5/8 bearing is also too small to fit on the One-Way. I wonder if the "special" means these are metric (maybe 10x15mm?) or something like that.
Any help would be appreciated,
Thanks,
Bob J
Yes this is confusing when trying to source replacement bearings.
Here is the cause of the problem;
AE use Imperial sized screws and bearings, however the best 1 way bearings are German made and metric. To overcome this AE uses a finley machined 15.85mm x 15mm aluminium sleeve which is pressed onto the outside of the metric bearing to adapt back to the 5/8" dimension. Neat and simple solution.
It's quite difficult to spot if you dont look closely.
The actual physical dimensions for the bearings required are;
Standard AE Ball Diff (plastic or steel) needs;
3/8" ID (9.52mm) x 5/8" OD (15.85mm) x 5/32" width (3.96mm).
One-Way AE Diff needs;
10mm ID x 15mm OD, 4mm width.
Also needed is the fine sleeve to take the 15mm back to 5/8" (15.85).
This sleeve can be carefully removed from the old bearings and re-installed to the new ones.
AE sells the "special bearings" with the "special sleeve" pre-fitted to the standard metric bearings.
Hope this helps.
Regards,