Technical datasheet

81122T2

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 110 mm
    D 145 mm
    d1 145 mm
    D1 112 mm
    T 25 mm
    Dc1 110 mm
    Dc 145 mm
    Dw 11 mm
    Lw 11 mm
    rs min 1 mm
    Cage assembly reference K81122T2
    Bearing ring (inner ring) WS WS81122
    Bearing ring (outer ring) GS GS81122
    Ea 138.8 mm
    Eb 115 mm
    Mass 1.1 kg
    Cage assembly mass 0.32 kg
    Bearing ring (inner ring) WS mass 0.38 kg
    Bearing ring (outer ring) GS mass 0.38 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 165 kN
    C0a 605 kN
    Nlim (grease) 480 Tr/min
    Nlim (oil) 1,900 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 11.54 Hz
    Characteristic outer ring frequency, BPF0 12.5 Hz
    Characteristic inner ring frequency, BPFI 12.5 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 138 mm
    Db max 116 mm
    ras max 1 mm

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