Technical data

NA6906R

Needle roller bearing, machined-ring, with inner ring

Needle roller bearing, machined-rings, with inner ring, double-side ribs, lubrication hole

Needle roller bearing, machined-rings, with inner ring, double-side ribs, lubrication hole
  • Visual(s)

    Visual(s)
  • Product definition

    Product definition
    d 30 mm
    D 47 mm
    C 30 mm
    F 35 mm
    rs min 0.3 mm
    s max 1 mm
    Dw 4 mm
    Lw 25.4 mm
    Lubrication hole on outer ring Oui/Yes
    k 2.5 mm
    Lubrication hole on inner ring Non/No
    Radial clearance class CN
    Precision class P0
    Mass 0.18 kg
    Brand NTN
  • Product performance

    Product performance
    Cr 42.5 kN
    C0r 67.5 kN
    Nlim (grease) 7,500 Tr/min
    Nlim (oil) 11,000 Tr/min
    Min operating temperature, Tmin -20 °C
    Max operating temperature, Tmax 120 °C
    Characteristic cage frequency, FTF 0.45 Hz
    Characteristic rolling element frequency, BSF 9.65 Hz
    Characteristic outer ring frequency, BPF0 4.04 Hz
    Characteristic inner ring frequency, BPFI 4.96 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 32 mm
    Da max 45 mm
    ras max 0.3 mm

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