Yoke Roller Bore Diameter 1 1/8 in Closure Double Sealed Duty Type Standard Overall Length 2 1/16 in Roller Diameter 3 1/2 in Roller Head Type Crowned Roller Material Alloy Steel Roller Width 2 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 29 660 lbf