NK120/40

NK120/40

Needle roller bearing, machined-ring, without inner ring

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Technical data NK120/40

Product definition
Fw 120 mm
D 140 mm
C 40 mm
rs min 1.1 mm
Dw 6 mm
Lw 30 mm
Lubrication hole on outer ring Yes
k 3.5 mm
Radial clearance class CN
Precision class P0
Mass 0.91 kg
Brand NTN
Product performance
C0r 268 kN
Nlim (grease) 2,200 rpm
Nlim (oil) 3,300 rpm
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0.48 Hz
Characteristic rolling element frequency, BSF 20.95 Hz
Characteristic outer ring frequency, BPF0 18.1 Hz
Characteristic inner ring frequency, BPFI 19.9 Hz
Abutment dimensions
Da max 133.5 mm
ras max 1 mm
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