Technical data
NA6910R
Needle roller bearing, machined-ring, with inner ring
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Visual(s)
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Product definition
d 50 mm D 72 mm C 40 mm F 58 mm rs min 0.6 mm s max 0.5 mm Dw 5 mm Lw 14.8 mm Lubrication hole on outer ring Oui/Yes k 3 mm Lubrication hole on inner ring Non/No Radial clearance class CN Precision class P0 Mass 0.53 kg Brand NTN -
Product performance
Cr 74 kN C0r 139 kN Nlim (grease) 4,700 Tr/min Nlim (oil) 7,000 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 12.52 Hz Characteristic outer ring frequency, BPF0 11.97 Hz Characteristic inner ring frequency, BPFI 14.03 Hz -
Abutment dimensions
da min 54 mm Da max 68 mm ras max 0.6 mm
