Linear Ball Bearing Type Open Inside Dia 1 1/2 in Outside Dia 2 3/8 in Material Steel Accelerated Speed 450 fps Between Grooves (mm) 2.415 in Dimension C 3 in Dimension C1 2.415 in Dimension C2 0.086 Dimension E 0.75 in Dimension T 1.5 Dynamic Load Capacity (N) 600 lbf For Use With Thomson Shafting Inside Dia Tolerance +/-.001 Maximum Operating Temperature 500 Degrees F Minimum Operating Temperature 0 Degrees F Length (In.) 3 in Seal -