6313ZZC3 Koyo Ball Bearing, Double ShieldedSpecifications Brand Koyo Seiko Company, LTD Manufacturer Part Number 6313ZZC3 Group Deep Groove Ball Bearings Type Shielded (ZZ) Bore Inside Diameter (d) 65 mm Housing Outside Diameter (D) 140 mm Width (B) 33 mm Minimum Radius (r) 2. 1 mm Operating Temperature 30 to 110C Cage Type Pressed Steel Cage Configuration Single row Tolerances JIS B 1514 Allowable Misalignment . 002 3 . 003 4 rad ( 8 12 ) Basic Load Rating Cr 92. 7 kN C0r 59. 9 kN Fatigue