Yoke Roller Bore Diameter 1 in Closure Open Duty Type Standard Overall Length 1 13/16 in Roller Diameter 3 in Roller Head Type Flat Roller Material Alloy Steel Roller Width 1 3/4 in Rolling Element Rows 1 Seal Type Not Applicable System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade 52100 Bearing Type Needle Roller Dynamic Radial Load Capacity 20 200 lbf