Technical data
NA4830C3
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
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Visual(s)
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Product definition
d 150 mm D 190 mm C 40 mm F 165 mm rs min 1.1 mm s max 1.5 mm Dw 7 mm Lw 32 mm Lubrication hole on outer ring Oui/Yes k 3.5 mm Lubrication hole on inner ring Non/No Radial clearance class C3 Precision class P0 Mass 2.72 kg Brand NTN -
Product performance
Cr 152 kN C0r 390 kN Nlim (grease) 1,600 Tr/min Nlim (oil) 2,400 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 24.53 Hz Characteristic outer ring frequency, BPF0 21.1 Hz Characteristic inner ring frequency, BPFI 22.9 Hz -
Abutment dimensions
da min 156.5 mm Da max 183.5 mm ras max 1 mm
