Technical data
RNA0-45X55X17
Needle roller bearing, machined-ring, separable, without inner ring
Needle roller bearing, machined-ring, separable, without inner ring
Needle roller bearing, machined-ring, separable, without inner ring

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Visual(s)
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Product definition
Fw 45 mm D 55 mm C 17 mm E 50 mm rs min 0.3 mm Dw 2.5 mm Lw 13.8 mm Lubrication hole on outer ring Non/No Radial clearance class CN Precision class P0 Mass 0.08 kg Brand NTN -
Product performance
Cr 22.3 kN C0r 44.5 kN Nlim (grease) 6,000 Tr/min Nlim (oil) 9,000 Tr/min Min operating temperature, Tmin -20 °C Max operating temperature, Tmax 120 °C Characteristic cage frequency, FTF 0.47 Hz Characteristic rolling element frequency, BSF 18.95 Hz Characteristic outer ring frequency, BPF0 15.16 Hz Characteristic inner ring frequency, BPFI 16.84 Hz -
Abutment dimensions
db 49.2 mm Da max 53 mm Db 45.6 mm ras max 0.3 mm