Technical data

81222

Complete thrust bearing

Needle roller bearing, thrust cylindrical roller bearing, 812 series

Needle roller bearing, thrust cylindrical roller bearing, 812 series
  • Visual(s)

    Visual(s)
  • Product definition

    Product definition
    d 110 mm
    D 160 mm
    d1 160 mm
    D1 113 mm
    T 38 mm
    Dc1 110 mm
    Dc 160 mm
    Dw 15 mm
    Lw 15 mm
    rs min 1.1 mm
    Cage assembly reference K81222
    Bearing ring (inner ring) WS WS81222
    Bearing ring (outer ring) GS GS81222
    Ea 150 mm
    Eb 119.2 mm
    Mass 2.45 kg
    Cage assembly mass 0.68 kg
    Bearing ring (inner ring) WS mass 0.88 kg
    Bearing ring (outer ring) GS mass 0.88 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 258 kN
    C0a 885 kN
    Nlim (grease) 450 Tr/min
    Nlim (oil) 1,800 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 8.97 Hz
    Characteristic outer ring frequency, BPF0 10 Hz
    Characteristic inner ring frequency, BPFI 10 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 149 mm
    Db max 119 mm
    ras max 1 mm

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