Technical datasheet

K81128

Thrust cylindrical roller bearing cages

Needle roller bearing, thrust cylindrical roller bearing, cage assembly, K811 series

Needle roller bearing, thrust cylindrical roller bearing, cage assembly, K811 series
  • Visual(s)

    Visual(s)
  • Product definition

    Product definition
    Dc1 140 mm
    Dc 180 mm
    Dw 12 mm
    Lw 12 mm
    Bearing ring (inner ring) WS WS81128
    Bearing ring (outer ring) GS GS81128
    Ea 172.5 mm
    Eb 147.8 mm
    Cage assembly mass 0.45 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 206 kN
    C0a 815 kN
    Nlim (grease) 380 Tr/min
    Nlim (oil) 1,500 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 13.35 Hz
    Characteristic outer ring frequency, BPF0 14 Hz
    Characteristic inner ring frequency, BPFI 14 Hz

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