NU318EG15J30 - SNR


Single row cylindrical roller bearing, floating, separable, polyamide cage

In the cylindrical roller bearing range, the single row roller bearing withstands high radial loads. The standard ISO ranges (NU, N, NJ, NF, NUP, NH, RNU, HJ) are available with different types of cage, bore diameters, shoulder rings.


3D file

Technical datasheet

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Internal diameter (d) 90 mm
External diameter (D) 190 mm
Bearing/Inner ring width (B) 43 mm
Upper roller diameter E 169,5 mm
Under roller diameter F 113,5 mm
OR flange inner diameter D1 161,6 mm
Min fillet radius (rs) 3 mm
Min fillet radius r1s 3 mm
Radial clearance class C3
Mass 5,39 kg
Brand SNR
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Dynamic load (C) 320 kN
Static load (C0) 360 kN
Fatigue limit load (Cu) 39,6 kN
Reference thermal speed (Nref) 3500 tr/min
Mechanical Limit Speed (Nlim) 4400 tr/min
Nlim (oil) 3500 tr/min
Nlim (grease) 3000 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,401 Hz
Characteristic rolling element frequency, BSF 4,856 Hz
Characteristic outer ring frequency, BPF0 5,214 Hz
Characteristic inner ring frequency, BPFI 7,786 Hz


Min shoulder diameter IR (da min) 103 mm
Small face shoulder max diameter da max 111 mm
Max shoulder diameter OR (Da max) 177 mm
Max fillet radius ra max 2,5 mm
Maxi fillet radius r1a 2,5 mm
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