Linear Ball Bearing Type Closed Inside Dia 1/2 in Outside Dia 0.875 in Material Stainless Steel/Polymer Cage Accelerated Speed - Between Grooves (mm) 0.967 in Dimension B 0.967/0.951 in Dimension C - Dimension C1 - Dimension C2 - Dimension d - Dimension D1 0.821 in Dimension D (In.) - Dimension E - Dimension F - Dimension G - Dimension L 1.25 in Dimension T - Dimension W 0.046 in Dynamic Load Capacity (N) 230 lbf For Use With Linear Motion Shafts