Yoke Roller Bore Diameter 1 1/8 in Closure Double Sealed Duty Type Heavy For Environment High Temperature Overall Length 2 1/16 in Roller Diameter 3 1/2 in Roller Head Type Flat Roller Material Alloy Steel Roller Width 2 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 17 600 lbf Features Large Lubrication Reservoir