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) 2.41 in Dimension B - Dimension C 3 in Dimension C1 2.41 in Dimension C2 - Dimension d - Dimension E - Dimension F - Dimension G - Dimension T 1.5 Dynamic Load Capacity (N) 2 000 lbf For Use With Thomson Shafting Inside Dia Tolerance +/-.001 Maximum Operating Temperature 185 Degrees F Minimum Operating Temperature 0 Degrees F