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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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d - Internal diameter85 mm
D - External diameter180 mm
B - Bearing/Inner ring width41 mm
E - Upper roller diameter160 mm
F - Under roller diameter108 mm
d1 - IR flange outer diameter117,8 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius3 mm
Radial clearance classC3
Mass5,33 kg
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C - Dynamic load295 kN
C0 - Static load336 kN
Cu - Fatigue limit load37,5 kN
Nref - Reference thermal speed3600 tr/min
Nlim - Mechanical Limit Speed6000 tr/min
Nlim - Oil lubrication limit speed3700 tr/min
Nlim - Grease lubrication limit speed3100 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BPFO - Characteristic outer ring frequency (60 rpm)5,642 Hz
BPFI - Characteristic inner ring frequency (60 rpm)8,358 Hz
FTF - Characteristic cage frequency (60 rpm)0,403 Hz
BSF - Characteristic rolling element frequency (60 rpm)4,96 Hz
da min - Min shoulder diameter IR98 mm
Da max - Max shoulder diameter OR167 mm
Db min - Small face shoulder min diameter162 mm
Dc max - Max outer ring GO diameter158 mm
ra max - Max fillet radius2,5 mm
r1a - Max fillet radius2,5 mm
Product classification image
Calcul factors image