Technical data

81120T2

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 100 mm
    D 135 mm
    d1 135 mm
    D1 102 mm
    T 25 mm
    Dc1 100 mm
    Dc 135 mm
    Dw 11 mm
    Lw 11 mm
    rs min 1 mm
    Cage assembly reference K81120T2
    Bearing ring (inner ring) WS WS81120
    Bearing ring (outer ring) GS GS81120
    Ea 128.7 mm
    Eb 105.1 mm
    Mass 1 kg
    Cage assembly mass 0.3 kg
    Bearing ring (inner ring) WS mass 0.35 kg
    Bearing ring (outer ring) GS mass 0.35 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 158 kN
    C0a 555 kN
    Nlim (grease) 500 Tr/min
    Nlim (oil) 2,000 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 10.63 Hz
    Characteristic outer ring frequency, BPF0 11.5 Hz
    Characteristic inner ring frequency, BPFI 11.5 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 128 mm
    Db max 106 mm
    ras max 1 mm

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