Linear Ball Bearing Type Closed Inside Dia 3/4 in Outside Dia 1 1/4 in Material Delrin Accelerated Speed - Between Grooves (mm) 1.285 in Dynamic Load Capacity (N) 1 130 lbf For Use With Thomson Shafting Inside Dia Tolerance -0.0005 Maximum Operating Temperature 185 Degrees F Length (In.) 1 5/8 in Retention Hole Dia (mm) 0.14 in Retention Hole Location 0.13 Seal Yes