28.0mm overall width 110.00mm bore diameter 1 notch in id of inner ring 0.3180 in. w by 0.1600 0.1500 in. deep by 0.3250 0.3150 in. lg w/spherical radius of 0.1590 0.1570 counterbored outer ring, non-separable
14.0mm overall width 20.0mm bore diameter quiet tested for electric motor quality; 10 to 20 percent full of specified lubricant non-loading groove, non-separable