9.00mm overall width 20.00mm bore diameter kstabilized for operation at M65 deg f to P350 deg f, retainer od concentric w/bore of inner ring within 0.002in. to 0.005 in. tir, faces of inner ring sq w/bore within 0.0004 in. tir, faces of outer ring sq w/od within 0.0004 in. tir, parallelism of outer 40a 4 point ball contact, solid inner
