Technical data

81208T2

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 40 mm
    D 68 mm
    d1 68 mm
    D1 42 mm
    T 19 mm
    Dc1 40 mm
    Dc 68 mm
    Dw 9 mm
    Lw 9 mm
    rs min 1 mm
    Cage assembly reference K81208T2
    Bearing ring (inner ring) WS WS81208
    Bearing ring (outer ring) GS GS81208
    Ea 62.9 mm
    Eb 43.7 mm
    Mass 0.26 kg
    Cage assembly mass 0.08 kg
    Bearing ring (inner ring) WS mass 0.09 kg
    Bearing ring (outer ring) GS mass 0.09 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 74.5 kN
    C0a 190 kN
    Nlim (grease) 1,100 Tr/min
    Nlim (oil) 4,400 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 5.92 Hz
    Characteristic outer ring frequency, BPF0 6 Hz
    Characteristic inner ring frequency, BPFI 6 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 63 mm
    Db max 44 mm
    ras max 1 mm

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