Technical data

81130

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 150 mm
    D 190 mm
    d1 188 mm
    D1 152 mm
    T 31 mm
    Dc1 150 mm
    Dc 190 mm
    Dw 12 mm
    Lw 12 mm
    rs min 1 mm
    Cage assembly reference K81130
    Bearing ring (inner ring) WS WS81130
    Bearing ring (outer ring) GS GS81130
    Ea 182.4 mm
    Eb 157.7 mm
    Mass 2.07 kg
    Cage assembly mass 0.47 kg
    Bearing ring (inner ring) WS mass 0.8 kg
    Bearing ring (outer ring) GS mass 0.8 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 214 kN
    C0a 870 kN
    Nlim (grease) 350 Tr/min
    Nlim (oil) 1,400 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 14.17 Hz
    Characteristic outer ring frequency, BPF0 15 Hz
    Characteristic inner ring frequency, BPFI 15 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 182 mm
    Db max 157 mm
    ras max 1 mm

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