Yoke Roller, Bore Diameter 17 mm, Closure Double Shielded, Duty Type Heavy, Overall Length 21 mm, Roller Diameter 40 mm, Roller Head Type Flat, Roller Material Alloy Steel, Roller Width 20 mm, Rolling Element Rows 2, Seal Type Not Applicable, System of Measurement Metric, Bearing Material Alloy Steel, Bearing Material Grade 52100, Bearing Type Needle Roller, Dynamic Radial Load Capacity 24,800 N, Features Heavy Duty Bearings are Assembled with Metallic Side Shield, Flange Diameter Not Applicable