Linear Ball Bearing Type Open Inside Dia 1 in Outside Dia 1 9/16 in Material Delrin Accelerated Speed 450 fps Between Grooves (mm) 1.884 in Dimension B - Dimension C 2.25 in Dimension C1 1.884 in Dimension C2 - Dimension d - Dimension E - Dimension F 0.14 in Dimension G 0.130 in Dimension T 1 Dynamic Load Capacity (N) 780 lbf For Use With Thomson Shafting Inside Dia Tolerance +/-.001 Maximum Operating Temperature 185 Degrees F Minimum Operating Temperature 0 Degrees F