Technical data

81226

Complete thrust bearing

Needle roller bearing, thrust cylindrical roller bearing, 812 series

Needle roller bearing, thrust cylindrical roller bearing, 812 series
  • Visual(s)

    Visual(s)
  • Product definition

    Product definition
    d 130 mm
    D 190 mm
    d1 187 mm
    D1 133 mm
    T 45 mm
    Dc1 130 mm
    Dc 190 mm
    Dw 19 mm
    Lw 19 mm
    rs min 1.5 mm
    Cage assembly reference K81226
    Bearing ring (inner ring) WS WS81226
    Bearing ring (outer ring) GS GS81226
    Ea 179 mm
    Eb 140.1 mm
    Mass 4.2 kg
    Cage assembly mass 1.14 kg
    Bearing ring (inner ring) WS mass 1.53 kg
    Bearing ring (outer ring) GS mass 1.53 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 360 kN
    C0a 1,210 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 8.4 Hz
    Characteristic outer ring frequency, BPF0 8.5 Hz
    Characteristic inner ring frequency, BPFI 8.5 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 178 mm
    Db max 140 mm
    ras max 1.5 mm

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