6315ZZC3 Koyo Ball Bearing, ShieldedSpecifications Brand Koyo Seiko Company, LTD Manufacturer Part Number 6315ZZC3 Group Deep Groove Ball Bearings Type Shielded (ZZ) Bore Inside Diameter (d) 75 mm Housing Outside Diameter (D) 160 mm Width (B) 37 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 113 kN C0r 77. 2 kN Fatigue Load