Yoke Roller Bore Diameter 1/2 in Closure Double Sealed Duty Type Standard Overall Length 1 1/16 in Roller Diameter 1 3/4 in Roller Head Type Flat Roller Material Alloy Steel Roller Width 1 in Rolling Element Rows 1 Seal Type Contact System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade 52100 Bearing Type Needle Roller Dynamic Radial Load Capacity 7 870 lbf