12.0mm overall width 25.0mm bore diameter stabilized for operation from M65 deg f to P250 deg f 252e single row, one-direction locating, two lip inner ring, one lip outer ring, separable
15.00mm overall width 40.00mm bore diameter stabilized for operation to 250 deg f, surface finish, riding land of inner ring 20 uin aa non-loading groove, non-separable