Linear Ball Bearing Type Closed Inside Dia 1 in Outside Dia 1 9/16 in Material Delrin Accelerated Speed 450 fps Between Grooves (mm) 1.901 in Dimension C 2.25 in Dimension C1 1.901 in Dynamic Load Capacity (N) 1 900 lbf For Use With Thomson Shafting Inside Dia Tolerance -0.0005 Maximum Operating Temperature 185 Degrees F Length (In.) 2 1/4 in Retention Hole Dia (mm) 0.14 in Retention Hole Location 0.13 Seal Yes