Technical datasheet

81111T2

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 55 mm
    D 78 mm
    d1 78 mm
    D1 57 mm
    T 16 mm
    Dc1 55 mm
    Dc 78 mm
    Dw 6 mm
    Lw 6 mm
    rs min 0.6 mm
    Cage assembly reference K81111T2
    Bearing ring (inner ring) WS WS81111
    Bearing ring (outer ring) GS GS81111
    Ea 75.2 mm
    Eb 57.8 mm
    Mass 0.25 kg
    Cage assembly mass 0.06 kg
    Bearing ring (inner ring) WS mass 0.1 kg
    Bearing ring (outer ring) GS mass 0.1 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 62.5 kN
    C0a 215 kN
    Nlim (grease) 900 Tr/min
    Nlim (oil) 3,600 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 11.08 Hz
    Characteristic outer ring frequency, BPF0 11 Hz
    Characteristic inner ring frequency, BPFI 11 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 75 mm
    Db max 58 mm
    ras max 0.6 mm

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