Linear Ball Bearing Type Open Inside Dia 1/2 in Outside Dia 7/8 in Material Delrin Accelerated Speed - Between Grooves (mm) 1.032 in Dynamic Load Capacity (N) 360 lbf For Use With Thomson Shafting Inside Dia Tolerance -0.0005 Maximum Operating Temperature 185 Degrees F Length (In.) 1 1/4 in Retention Hole Dia (mm) 0.13 in Retention Hole Location 0.62 Seal No