Linear Ball Bearing Type Open Inside Dia 1 in Outside Dia 1 9/16 in Material Delrin Accelerated Speed - Between Grooves (mm) 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