Linear Ball Bearing Type Open Inside Dia 5/8 in Outside Dia 1 1/8 in Material Delrin Accelerated Speed 450 fps Between Grooves (mm) 1.125 in Dimension B - Dimension C 1.5 in Dimension C1 1.125 in Dimension C2 - Dimension d - Dimension E - Dimension F 0.11 in Dimension G 0.130 in Dimension T 0.625 Dynamic Load Capacity (N) 620 lbf For Use With Thomson Shafting Inside Dia Tolerance +/-.001 Maximum Operating Temperature 185 Degrees F Outside Dia Tolerance -