Technical data

81113

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 65 mm
    D 90 mm
    d1 90 mm
    D1 67 mm
    T 18 mm
    Dc1 65 mm
    Dc 90 mm
    Dw 7.5 mm
    Lw 7.5 mm
    rs min 1 mm
    Cage assembly reference K81113
    Bearing ring (inner ring) WS WS81113
    Bearing ring (outer ring) GS GS81113
    Ea 85.2 mm
    Eb 68.8 mm
    Mass 0.34 kg
    Cage assembly mass 0.09 kg
    Bearing ring (inner ring) WS mass 0.12 kg
    Bearing ring (outer ring) GS mass 0.12 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 73 kN
    C0a 236 kN
    Nlim (grease) 780 Tr/min
    Nlim (oil) 3,100 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 10.27 Hz
    Characteristic outer ring frequency, BPF0 11 Hz
    Characteristic inner ring frequency, BPFI 11 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 85 mm
    Db max 70 mm
    ras max 1 mm

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