Yoke Roller, Bore Diameter 20 mm, Closure Double Shielded, Duty Type Heavy, Overall Length 25 mm, Roller Diameter 52 mm, Roller Head Type Flat, Roller Material Alloy Steel, Roller Width 24 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 39,000 N, Features Heavy Duty Bearings are Assembled with Metallic Side Shield, Flange Diameter Not Applicable