Technical data

81217L1

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 85 mm
    D 125 mm
    d1 125 mm
    D1 88 mm
    T 31 mm
    Dc1 85 mm
    Dc 125 mm
    Dw 12 mm
    Lw 12 mm
    rs min 1 mm
    Cage assembly reference K81217L1
    Bearing ring (inner ring) WS WS81217
    Bearing ring (outer ring) GS GS81217
    Ea 116.9 mm
    Eb 92.2 mm
    Mass 1.3 kg
    Cage assembly mass 0.32 kg
    Bearing ring (inner ring) WS mass 0.49 kg
    Bearing ring (outer ring) GS mass 0.49 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 169 kN
    C0a 550 kN
    Nlim (grease) 580 Tr/min
    Nlim (oil) 2,300 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 8.71 Hz
    Characteristic outer ring frequency, BPF0 9.5 Hz
    Characteristic inner ring frequency, BPFI 9.5 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 116 mm
    Db max 92 mm
    ras max 1 mm

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