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Parts Number

  • 21075/21212
  • Inquiry

    Product Information

    Designations

    21075/21212

    Boundary Dimensions

    d 19.05 mm Bore diameter
    D 53.975 mm Outside diameter
    T 22.225 mm Total width
    B 21.839 mm Width of inner ring
    C 15.875 mm Width of outer ring
    Cup r (min.) 2.3 mm Chamfer dimension of outer ring (Cup)
    Cone r (min.) 1.5 mm Chamfer dimension of inner ring (Cone)

    Basic Load Ratings

    Cr 50000 N Basic dynamic load rating
    C0r 39500 N Basic static load rating

    Speeds

    Grease 7500 min-1 Grease lubrication
    Oil (Oil-bath) 10000 min-1 Oil-bath lubrication

    Abutment and Fillet Dimensions

    da 31.5 mm Diameter of shaft abutment
    Da 43 mm Diameter of housing abutment
    db 26 mm Diameter of shaft abutment
    Db 50 mm Diameter of housing abutment
    ra (max.) 1.5 mm Radius of shaft or housing fillet of inner ring
    ra (max.) 2.3 mm Radius of shaft or housing fillet of outer ring

    Calculation factors

    e 0.59 Constant
    Y0 0.56 Axial load Factors
    Y1 1 Axial load Factors

    Mass

    CONE (approx.) 0.156 kg
    CUP (approx.) 0.097 kg
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