1.1610" overall width 0.7874" bore diameter jradial play row one-0.0008 in. min - 0.0012 in. max, row two-0.0050 in. min - 0.0058 in. max; contact angle row one 15 deg, row two 30 deg; preload in unmounted condition; 20 pct to 30 pct full of specified lube silver retainer surface treated 92b counterbored outer rings, non-separable, back to back mounting