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 diameter 25 mm
D - External diameter 52 mm
B - Bearing/Inner ring width 15 mm
E - Upper roller diameter 46,5 mm
F - Under roller diameter 31,5 mm
rs - Min fillet radius 1 mm
r1s - Min fillet radius 0,6 mm
Radial clearance class C3
Mass 0,13 kg
Brand NTN
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C - Dynamic load 29,3 kN
C0 - Static load 27,7 kN
Cu - Fatigue limit load 3,4 kN
Nlim - Oil lubrication limit speed 15000 tr/min
Nlim - Grease lubrication limit speed 13000 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C
FTF - Characteristic cage frequency 0,404 Hz
BSF - Characteristic rolling element frequency 5,008 Hz
BPFO - Characteristic outer ring frequency 5,25 Hz
BPFI - Characteristic inner ring frequency 7,75 Hz


da min - Min shoulder diameter IR 29 mm
da max - Small face shoulder max diameter 31 mm
db min - Min inner ring GO diameter 34 mm
Da max - Max shoulder diameter OR 47 mm
ra max - Max fillet radius 1 mm
r1a - Max fillet radius 0,6 mm
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