Technical data
NK20/20R
Needle roller bearing, machined-ring, without inner ring
Needle roller bearing, machined-ring, without inner ring, double-side ribs, lubrication hole
Needle roller bearing, machined-ring, without inner ring, double-side ribs, lubrication hole
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Visual(s)
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Product definition
Fw 20 mm D 28 mm C 20 mm rs min 0.3 mm Dw 2.5 mm Lw 16.8 mm Lubrication hole on outer ring Oui/Yes k 2.5 mm Radial clearance class CN Precision class P0 Mass 0.03 kg Brand NTN -
Product performance
Cr 16.7 kN C0r 23.8 kN Nlim (grease) 13,000 Tr/min Nlim (oil) 20,000 Tr/min Min operating temperature, Tmin -20 °C Max operating temperature, Tmax 120 °C Characteristic cage frequency, FTF 0.44 Hz Characteristic rolling element frequency, BSF 8.89 Hz Characteristic outer ring frequency, BPF0 7.11 Hz Characteristic inner ring frequency, BPFI 8.89 Hz -
Abutment dimensions
Da max 26 mm ras max 0.3 mm
