Technical data
NK30/20R
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
-
Visual(s)
-
Product definition
Fw 30 mm D 40 mm C 20 mm rs min 0.3 mm Dw 3 mm Lw 15.8 mm Lubrication hole on outer ring Oui/Yes k 2.5 mm Radial clearance class CN Precision class P0 Mass 0.06 kg Brand NTN -
Product performance
Cr 22.1 kN C0r 34 kN Nlim (grease) 8,500 Tr/min Nlim (oil) 13,000 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 10.91 Hz Characteristic outer ring frequency, BPF0 9.09 Hz Characteristic inner ring frequency, BPFI 10.91 Hz -
Abutment dimensions
Da max 38 mm ras max 0.3 mm
