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7009A

 

BRZB offers a board range in the 70 series regarding dimensions, suitable RPM, and load capabilities.

Standard spindle bearings
High RPM suitability and rigidity
High cost-efficiency and reliability
Standard contact angles of 15° and 25°
Reference RPM factor n x dm = 1.7 x 106 mm/min
High load rating
Also available as hybrid ball bearings
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Technical specification

  • Basic Properties

    Contact Angle α 30 °
    Inner Diameter d 45 mm
    Outer Diameter D 75 mm
    Width B 16 mm
    Chamfer dimension r min 1.00 mm
      r1min 0.60 mm
    Distance Side Face to Pressure Point a 25.30 mm

  • Load Data

    Basic Dynamic Load Rating C 22.30 kN
    Basic Static Load Rating C0 17.70 kN
    Limiting Speed Grease 12,500 r/min
      Oil-air 16,700 r/min
    Fatigue Load Limit Pu 11.100 kN
    Calculation Factor for Equivalent Loads  f0 15.400  

  • Preload & Rigidity

    Light A  - N
      Cax  - N/μm
    Medium B  - N
      Cax  - N/μm
    Heavy C  - N
      Cax  - N/μm

  • Mass

    Mass m 0.241 kg
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