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NJ2311EG15 - SNR


Single row cylindrical roller bearing, single direction for axial loads, 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 diameter55 mm
D - External diameter120 mm
B - Bearing/Inner ring width43 mm
E - Upper roller diameter106,5 mm
F - Under roller diameter70,5 mm
d1 - IR flange outer diameter77,5 mm
D1 - OR flange inner diameter101,4 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius2 mm
Radial clearance classCN
Mass2,27 kg
Product classification image
C - Dynamic load204 kN
C0 - Static load238 kN
Cu - Fatigue limit load29 kN
Nref - Reference thermal speed4500 tr/min
Nlim - Mechanical Limit Speed7100 tr/min
Nlim - Oil lubrication limit speed5600 tr/min
Nlim - Grease lubrication limit speed4500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BPFO - Characteristic outer ring frequency (60 rpm)5,178 Hz
BPFI - Characteristic inner ring frequency (60 rpm)7,822 Hz
FTF - Characteristic cage frequency (60 rpm)0,398 Hz
BSF - Characteristic rolling element frequency (60 rpm)4,713 Hz
da min - Min shoulder diameter IR64 mm
da max - Small face shoulder max diameter69 mm
db min - Min inner ring GO diameter72 mm
dc min - Min inner ring GO diameter80 mm
Da max - Max shoulder diameter OR111 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
Product classification image
Calcul factors image

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