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Parts Number

  • 28985/28920
  • Inquiry

    Product Information

    التسميات

    28985/28920

    أبعاد الحدود

    d 60.325 mm Bore diameter
    D 101.6 mm Outside diameter
    T 25.4 mm Total width
    B 25.4 mm Width of inner ring
    C 19.845 mm Width of outer ring
    Cup r (min.) 3.3 mm Chamfer dimension of outer ring (Cup)
    Cone r (min.) 3.5 mm Chamfer dimension of inner ring (Cone)

    تقييمات الحمولة الأساسية

    Cr 112000 N Basic dynamic load rating
    C0r 135000 N Basic static load rating

    السرعات

    Grease 3400 min-1 Grease lubrication
    Oil (Oil-bath) 4800 min-1 Oil-bath lubrication

    Abutment and Fillet Dimensions

    da 73 mm Diameter of shaft abutment
    Da 90 mm Diameter of housing abutment
    db 67 mm Diameter of shaft abutment
    Db 97 mm Diameter of housing abutment
    ra (max.) 3.5 mm Radius of shaft or housing fillet of inner ring
    ra (max.) 3.3 mm Radius of shaft or housing fillet of outer ring

    Calculation factors

    e 0.43 Constant
    Y0 0.78 Axial load Factors
    Y1 1.4 Axial load Factors

    Mass

    CONE (approx.) 0.538 kg
    CUP (approx.) 0.272 kg
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