Linear Ball Bearing Type Open Inside Dia 1 in Outside Dia 1.5625 in Material Stainless Steel/Polymer Cage Accelerated Speed - Between Grooves (mm) 1.759 in Dimension B 1.759/1.741 in Dimension C - Dimension C1 - Dimension C2 - Dimension d - Dimension D1 1.469 in Dimension D (In.) - Dimension E - Dimension F - Dimension G - Dimension L 2.25 in Dimension T - Dimension W 0.068 in Dynamic Load Capacity (N) 850 lbf For Use With Support and Feather Rails