10.0mm overall width 17.00mm bore diameter 0.1750 in. w by 0.0150 in. deep slot in od of outer ring across full width of ring non-loading groove, non-separable
9.00mm overall width 25.00mm bore diameter finish of retainer contact surfaces to be 25 rms max, retainer to be inner or outer land riding non-loading groove, non-separable