Item: 6311ZZC3 Bearing Type: Single row deep groove ball bearings SKU: 6311ZZBearing Inner Ring Diameter (bore): 55mm Inner Ring Tolerance: 0~-20?�m Outer Ring Diameter: 120mm Outer Ring Tolerance: 0~-18?�m Width: 29mm Clearance: 1~15?�m Basic Dynamic Load Rating Cr: 74.1 kN Basic Static Load Rating Cor: 45 kN Grease Lubrication: 6300 Brand: SKF MADE IN FRANCE Closed with metal shields Grease lube Equal 63112Z Equal Koyo 63112Z Equal Nachi 63112Z Equal BCA 311SS Equal Fafnir Torrington 311KDD Equal Federal 1311FF Equal Hoover 77311 Equal NTN 6311ZZ Equal MRC 311SFF Equal Norma Hoffman 311PP Equal New Departure 77611 Equal FAG 6311ZZ Equal NSK 6311ZZ