SpecificationsD - Hub Counter I.D.0.787 inD10.945 inD21.142 inD31.457 inL20.787 inL30.276 inL40.079 inLt1.220 inP - Contact Pressure - Shaft39596 psiP' - Contact Pressure - Hub Bore31764 psiQuantity6SizeM4x18Tightening Torque3.000 ft·lbTransmissible Thrust3507 lbTransmissible Torque92 ft·lbWeight0.180 lbd - Shaft O.D.0.630 inl0.630 int1 - Shaft Dia. Tolerance-0.0011 int2 - Hub Counter ID Tolerance+0.0013 in