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7004C

 

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 15 °
    Inner Diameter d 20 mm
    Outer Diameter D 42 mm
    Width B 12 mm
    Chamfer dimension r min 0.60 mm
      r1min 0.30 mm
    Distance Side Face to Pressure Point a 10.10 mm

  • Load Data

    Basic Dynamic Load Rating C 11.10 kN
    Basic Static Load Rating C0 6.55 kN
    Limiting Speed Grease 37,100 r/min
      Oil-air 56,500 r/min
    Fatigue Load Limit Pu 4.800 kN
    Calculation Factor for Equivalent Loads  f0 14.000  

  • Preload & Rigidity

    Light A 50 N
      Cax 24 N/μm
    Medium B 150 N
      Cax 35 N/μm
    Heavy C 300 N
      Cax 44 N/μm

  • Mass

    Mass m 0.067 kg
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