NJ2311ET2X - NTN


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 diameter 55 mm
D - External diameter 120 mm
B - Bearing/Inner ring width 43 mm
E - Upper roller diameter 106,5 mm
F - Under roller diameter 70,5 mm
d1 - IR flange outer diameter 77,7 mm
rs - Min fillet radius 2 mm
r1s - Min fillet radius 2 mm
Radial clearance class CN
Mass 2,23 kg
Brand NTN
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C - Dynamic load 201 kN
C0 - Static load 233 kN
Cu - Fatigue limit load 28,4 kN
Nlim - Oil lubrication limit speed 5600 tr/min
Nlim - Grease lubrication limit speed 4700 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C
FTF - Characteristic cage frequency 0,398 Hz
BSF - Characteristic rolling element frequency 4,713 Hz
BPFO - Characteristic outer ring frequency 5,178 Hz
BPFI - Characteristic inner ring frequency 7,822 Hz


da min - Min shoulder diameter IR 64 mm
da max - Small face shoulder max diameter 69 mm
dc min - Min inner ring GO diameter 80 mm
Da max - Max shoulder diameter OR 111 mm
ra max - Max fillet radius 2 mm
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