Technical datasheet

81109T2

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 45 mm
    D 65 mm
    d1 65 mm
    D1 47 mm
    T 14 mm
    Dc1 45 mm
    Dc 65 mm
    Dw 6 mm
    Lw 6 mm
    rs min 0.6 mm
    Cage assembly reference K81109T2
    Bearing ring (inner ring) WS WS81109
    Bearing ring (outer ring) GS GS81109
    Ea 61.6 mm
    Eb 48.4 mm
    Mass 0.15 kg
    Cage assembly mass 0.04 kg
    Bearing ring (inner ring) WS mass 0.06 kg
    Bearing ring (outer ring) GS mass 0.06 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 45.5 kN
    C0a 135 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 9.17 Hz
    Characteristic outer ring frequency, BPF0 9.5 Hz
    Characteristic inner ring frequency, BPFI 9.5 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 61 mm
    Db max 49 mm
    ras max 0.6 mm

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