Y56L YOKE ROLLER, Interchange with RBC Part Number: Y 56 L With Seals D +.001/-.000: 1.7500 Inside Diameter Nominal: 1/2 B +.005/-.010: 1.0625 H Oil Hole: 0.093 Speed Limit [rpm]: 1970 Min Boss Dia.: 1.05 Approx Weight [lbs]: 0.580 Roller B +.000/-.001: 1.000 Roller CR: 20 D Min.: 0.4996 D Max.: 0.5002 Nominal Size: 1 3/4 Bearing Dynamic Capacity C [lbf] 1: 6400 Bearing Static Capacity Co [lbf] 2: 15850 Track Capacity at 40 Rc [lbf]: 4550 Trans Fit Max [lbf]: 0.4997 Trans Fit Min: 0.4993 Press Fit Max: 0.5007 Press Fit Min: 0.5003