Yoke Roller Bore Diameter 1 1/4 in Closure Double Sealed Duty Type Standard Overall Length 2 5/16 in Roller Diameter 4 in Roller Head Type Crowned Roller Material Alloy Steel Roller Width 2 1/4 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 35 980 lbf