SpecificationsD - Hub Counter I.D.0.512 inD10.630 inD20.866 inD31.181 inL20.571 inL30.197 inL40.059 inLt0.925 inP - Contact Pressure - Shaft42352 psiP' - Contact Pressure - Hub Bore32489 psiQuantity3SizeM4x16Tightening Torque3.000 ft·lbTransmissible Thrust1751 lbTransmissible Torque29 ft·lbWeight0.090 lbd - Shaft O.D.0.394 inl0.453 int1 - Shaft Dia. Tolerance-0.0009 int2 - Hub Counter ID Tolerance+0.0011 in