Yoke Roller Bore Diameter 3 1/4 in Closure Double Sealed Duty Type Heavy For Environment High Temperature Overall Length 4 1/2 in Roller Diameter 8 in Roller Head Type Flanged Roller Material Alloy Steel Roller Width 4 1/4 in Rolling Element Rows 2 Seal Type Contact System of Measurement Inch Bearing Material Alloy Steel Bearing Material Grade 52100 Bearing Type Tapered Roller Dynamic Radial Load Capacity 83 700 lbf Features Large Lubrication Reservoir Flange Diameter 8.94 in