Track Roller Bore Diameter 5/8 in Closure Double Sealed Duty Type Heavy Overall Length 1 5/16 in Roller Diameter 2 in Roller Head Type Flat Roller Material Alloy Steel Roller Width 1 1/4 in Rolling Element Rows 2 Seal Type Contact System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade 52100 Bearing Type Radial Ball Dynamic Radial Load Capacity 3 400 lbf Flange Diameter Not Applicable Flange Thickness Not Applicable Load Direction Radial Thrust