NU2204ET2X - NTN


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.


Technical datasheet

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Internal diameter d 20 mm
External diameter D 47 mm
Bearing/Inner ring width(B) 18 mm
Upper roller diameter E 41,5 mm
Under roller diameter F 26,5 mm
Min fillet radius rs 1 mm
Min fillet radius r1s 0,6 mm
Radial clearance class CN
Mass 0,138 kg
Brand NTN
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Dynamic load, C 30,5 kN
Static load, C0 28,3 kN
Fatigue limit load, Cu 3,45 kN
Nlim (oil) 16000 tr/min
Nlim (grease) 14000 tr/min
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,39 Hz
Characteristic rolling element frequency, BSF 4,313 Hz
Characteristic outer ring frequency, BPF0 4,287 Hz
Characteristic inner ring frequency, BPFI 6,713 Hz


Min shoulder diameter IR da min 24 mm
Small face shoulder max diameter da max 26 mm
db min 29 mm
Max shoulder diameter OR Da max 42 mm
Max fillet radius ra max 1 mm
Maxi fillet radius r1a 0,6 mm
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