Angular Contact Ball Bearing (B7211AC) Including single row and double row Bearings Bearing dimensions and tolerance levels comply with the latest ISO standards. 1. Including single row and double row 2. Contact angle suffix for single row: C α =15° , A α =25° , B α =40° 3. Material: GCr15 grade steel with oxygen content less than 20ppm 4. Hardness for rings and rollers: 59-63HRC 5. Bearing dimensions and tolerance levels comply with the latest ISO standards 6. Long life, low cost.
