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NU.312.EG15 - 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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d - Internal diameter60 mm
D - External diameter130 mm
B - Bearing/Inner ring width31 mm
E - Upper roller diameter115 mm
F - Under roller diameter77 mm
D1 - OR flange inner diameter109,6 mm
rs - Min fillet radius2,1 mm
r1s - Min fillet radius2,1 mm
Radial clearance classCN
Mass1,85 kg
Product classification image
C - Dynamic load151 kN
C0 - Static load159 kN
Cu - Fatigue limit load19,4 kN
Nref - Reference thermal speed5000 tr/min
Nlim - Mechanical Limit Speed6500 tr/min
Nlim - Oil lubrication limit speed5200 tr/min
Nlim - Grease lubrication limit speed4400 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BPFO - Characteristic outer ring frequency (60 rpm)5,214 Hz
BPFI - Characteristic inner ring frequency (60 rpm)7,786 Hz
FTF - Characteristic cage frequency (60 rpm)0,401 Hz
BSF - Characteristic rolling element frequency (60 rpm)4,855 Hz
da min - Min shoulder diameter IR71 mm
da max - Small face shoulder max diameter75 mm
Da max - Max shoulder diameter OR119 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
Product classification image
Calcul factors image

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