Linear Ball Bearing Type Closed Inside Dia 1 1/2 in Outside Dia 2 3/8 in Material Delrin Accelerated Speed 450 fps Between Grooves (mm) 2.442 in Dimension C 3 in Dimension C1 2.442 in Dimension T 1.5 Dynamic Load Capacity (N) 3 880 lbf For Use With Thomson Shafting Inside Dia Tolerance +/-0.001 Maximum Operating Temperature 185 Degrees F Length (In.) 3 in Seal -