ITJ NU304ET7

  • NU304ET7
  • NU304ET7C3
  • NU304ET7C2
  • NU304ET7C4
  • Информация о продукте

    Модель подшипника

    NU304ET7

    Габаритные размеры

    d 20 mm Bore diameter
    D 52 mm Outside diameter
    B 15 mm Width
    FW 27.5 mm Raceway diameter of inner ring
    r (min.) 1.1 mm Chamfer dimension
    r1 (min.) 0.6 mm Chamfer dimension

    Базовые нагрузки

    Cr 39000 N Basic dynamic load rating
    C0r 26900 N Basic static load rating

    Предельные скорости

    Thermal Speed Rating (Oil-bath) 13000 min-1 Oil-bath lubrication subject to conditions outlined in ISO 15312
    Mechanical (forced-circulation oil) 18000 min-1 Properly designed and controlled forced-circulation oil lubrication
    Grease 12000 min-1 Grease lubrication
    Oil (Oil-bath) 15000 min-1 Oil-bath lubrication

    Размеры буртиков и галтелей

    db (min.) 24 mm Diameter of shaft / spacer sleeve abutment
    db (max.) 26 mm Diameter of shaft / spacer sleeve abutment
    dc (min.) 30 mm Diameter of shaft abutment
    Da (max.) 45.5 mm Diameter of housing abutment
    ra (max.) 1 mm Radius of shaft or housing fillet
    rb (max.) 0.6 mm Radius of shaft or housing fillet

    Расчетные коэффициенты

    Масса

    (approx.) 0.148 kg