Technical data

NA5908

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 40 mm
    D 62 mm
    C 30 mm
    F 48 mm
    rs min 0.6 mm
    s max 1 mm
    Dw 4.5 mm
    Lw 23.8 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 0.35 kg
    Brand NTN
  • Product performance

    Product performance
    Cr 53 kN
    C0r 92.5 kN
    Nlim (grease) 5,500 Tr/min
    Nlim (oil) 8,500 Tr/min
    Min operating temperature, Tmin -20 °C
    Max operating temperature, Tmax 120 °C
    Characteristic cage frequency, FTF 0.46 Hz
    Characteristic rolling element frequency, BSF 11.58 Hz
    Characteristic outer ring frequency, BPF0 10.51 Hz
    Characteristic inner ring frequency, BPFI 12.49 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 44 mm
    Da max 58 mm
    ras max 0.6 mm

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