N.317.E.M.J30 - SNR


Single row cylindrical roller bearing, floating, separable, brass 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) 85 mm
External diameter (D) 180 mm
Bearing/Inner ring width (B) 41 mm
Upper roller diameter E 160 mm
Under roller diameter F 108 mm
d1 117,8 mm
Min fillet radius (rs) 3 mm
Min fillet radius r1s 3 mm
Radial clearance class C3
Mass 5,33 kg
Brand SNR
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Dynamic load (C) 295 kN
Static load (C0) 336 kN
Fatigue limit load (Cu) 37,5 kN
Reference thermal speed (Nref) 3600 tr/min
Mechanical Limit Speed (Nlim) 6000 tr/min
Nlim (oil) 3700 tr/min
Nlim (grease) 3100 tr/min
Min operating temperature (Tmin) -40 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,403 Hz
Characteristic rolling element frequency, BSF 4,96 Hz
Characteristic outer ring frequency, BPF0 5,642 Hz
Characteristic inner ring frequency, BPFI 8,358 Hz


Min shoulder diameter IR (da min) 98 mm
Max shoulder diameter OR (Da max) 167 mm
Min shoulder diameter small face Db min 162 mm
Max N type OR GO diameter Dc max 158 mm
Max fillet radius ra max 2,5 mm
Maxi fillet radius r1a 2,5 mm
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