Part Number: Y 80 L With Seals D +.001/-.000: 2.5000 Inside Diameter Nominal: 3/4 B +.005/-.010: 1.5625 H Oil Hole: 0.125 Speed Limit [rpm]: 1310 Min Boss Dia.: 1.31 Approx Weight [lbs]: 1.750 Roller B +.000/-.001: 1.500 Roller CR: 30 D Min.: 0.7496 D Max.: 0.7502 Nominal Size: 2 1/2 Bearing Dynamic Capacity C [lbf] 1: 12800 Bearing Static Capacity Co [lbf] 2: 33000 Track Capacity at 40 Rc [lbf]: 9400 Trans Fit Max [lbf]: 0.7497 Trans Fit Min: 0.7493 Press Fit Max: 0.7507 Press Fit Min: 0.7503