Technical data

81213T2

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 65 mm
    D 100 mm
    d1 100 mm
    D1 67 mm
    T 27 mm
    Dc1 65 mm
    Dc 100 mm
    Dw 11 mm
    Lw 11 mm
    rs min 1 mm
    Cage assembly reference K81213T2
    Bearing ring (inner ring) WS WS81213
    Bearing ring (outer ring) GS GS81213
    Ea 93.3 mm
    Eb 69.9 mm
    Mass 0.78 kg
    Cage assembly mass 0.22 kg
    Bearing ring (inner ring) WS mass 0.28 kg
    Bearing ring (outer ring) GS mass 0.28 kg
    Brand NTN
  • Product performance

    Product performance
    Ca 130 kN
    C0a 385 kN
    Nlim (grease) 730 Tr/min
    Nlim (oil) 2,900 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 7.42 Hz
    Characteristic outer ring frequency, BPF0 8 Hz
    Characteristic inner ring frequency, BPFI 8 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 93 mm
    Db max 71 mm
    ras max 1 mm

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