NJ2312ET2X - 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 60 mm
D - External diameter 130 mm
B - Bearing/Inner ring width 46 mm
E - Upper roller diameter 115 mm
F - Under roller diameter 77 mm
d1 - IR flange outer diameter 84,6 mm
rs - Min fillet radius 2,1 mm
r1s - Min fillet radius 2,1 mm
Radial clearance class CN
Mass 2,825 kg
Brand NTN
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C - Dynamic load 222 kN
C0 - Static load 262 kN
Cu - Fatigue limit load 32 kN
Nlim - Oil lubrication limit speed 5200 tr/min
Nlim - Grease lubrication limit speed 4400 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C
FTF - Characteristic cage frequency 0,401 Hz
BSF - Characteristic rolling element frequency 4,855 Hz
BPFO - Characteristic outer ring frequency 5,214 Hz
BPFI - Characteristic inner ring frequency 7,786 Hz


da min - Min shoulder diameter IR 71 mm
da max - Small face shoulder max diameter 75 mm
dc min - Min inner ring GO diameter 86 mm
Da max - Max shoulder diameter OR 119 mm
ra max - Max fillet radius 2 mm
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