Technical data

NA4856

Needle roller bearing, machined-ring, with inner ring

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

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

    Visual(s)
  • Product definition

    Product definition
    d 280 mm
    D 350 mm
    C 69 mm
    F 305 mm
    rs min 2 mm
    s max 2.5 mm
    Dw 12.5 mm
    Lw 56 mm
    Lubrication hole on outer ring Oui/Yes
    k 4 mm
    Lubrication hole on inner ring Non/No
    Radial clearance class CN
    Precision class P0
    Mass 15.5 kg
    Brand NTN
  • Product performance

    Product performance
    Cr 455 kN
    C0r 1,300 kN
    Nlim (grease) 850 Tr/min
    Nlim (oil) 1,300 Tr/min
    Min operating temperature, Tmin -20 °C
    Max operating temperature, Tmax 120 °C
    Characteristic cage frequency, FTF 0.48 Hz
    Characteristic rolling element frequency, BSF 25.36 Hz
    Characteristic outer ring frequency, BPF0 22.09 Hz
    Characteristic inner ring frequency, BPFI 23.91 Hz
  • Abutment dimensions

    Abutment dimensions
    da min 289 mm
    Da max 341 mm
    ras max 2 mm

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