Technical data

81104T2

Complete thrust bearing

Needle roller bearing, thrust cylindrical roller bearing, 811 series

Needle roller bearing, thrust cylindrical roller bearing, 811 series
  • Visual(s)

    Visual(s)
  • Product definition

    Product definition
    d 20 mm
    D 35 mm
    d1 35 mm
    D1 21 mm
    T 10 mm
    Dc1 20 mm
    Dc 35 mm
    Dw 4.5 mm
    Lw 4.5 mm
    rs min 0.3 mm
    Cage assembly reference K81104T2
    Bearing ring (inner ring) WS WS81104
    Bearing ring (outer ring) GS GS81104
    Ea 32.3 mm
    Eb 22.4 mm
    Mass 0.04 kg
    Cage assembly mass 0.01 kg
    Bearing ring (inner ring) WS mass 0.01 kg
    Bearing ring (outer ring) GS mass 0.01 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 20.2 kN
    C0a 46.5 kN
    Nlim (grease) 2,100 Tr/min
    Nlim (oil) 8,500 Tr/min
    Min operating temperature, Tmin -20 °C
    Max operating temperature, Tmax 120 °C
    Characteristic cage frequency, FTF 0.5 Hz
    Characteristic rolling element frequency, BSF 6.08 Hz
    Characteristic outer ring frequency, BPF0 6 Hz
    Characteristic inner ring frequency, BPFI 6 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 32 mm
    Db max 23 mm
    ras max 0.3 mm

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