Linear Ball Bearing Type Open Inside Dia 2 in Outside Dia 3 in Material Delrin Accelerated Speed 450 fps Between Grooves (mm) 3.193 in Dimension C 4 in Dimension C1 3.193 in Dimension F 0.27 in Dimension G 0.310 in Dimension T 2 Dynamic Load Capacity (N) 2 350 lbf For Use With Thomson Shafting Inside Dia Tolerance +/-0.001 Maximum Operating Temperature 185 Degrees F Minimum Operating Temperature 0 Degrees F Length (In.) 4 in Retention Hole Dia (mm) 0.27 in