NU303EG15 - 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) 17 mm
External diameter (D) 47 mm
Bearing/Inner ring width (B) 14 mm
Upper roller diameter E 40,2 mm
Under roller diameter F 24,2 mm
OR flange inner diameter D1 37,1 mm
Min fillet radius (rs) 1 mm
Min fillet radius r1s 0,6 mm
Radial clearance class CN
Mass 0,122 kg
Brand SNR
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Dynamic load (C) 24,6 kN
Static load (C0) 20,4 kN
Fatigue limit load (Cu) 2,49 kN
Reference thermal speed (Nref) 13000 tr/min
Mechanical Limit Speed (Nlim) 20000 tr/min
Nlim (oil) 16000 tr/min
Nlim (grease) 13000 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,376 Hz
Characteristic rolling element frequency, BSF 3,777 Hz
Characteristic outer ring frequency, BPF0 3,758 Hz
Characteristic inner ring frequency, BPFI 6,242 Hz


Min shoulder diameter IR (da min) 21 mm
Small face shoulder max diameter da max 23 mm
Max shoulder diameter OR (Da max) 42 mm
Max fillet radius ra max 1 mm
Maxi fillet radius r1a 0,6 mm
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