NU2209ET2C3 - 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 45 mm
External diameter D 85 mm
Bearing/Inner ring width(B) 23 mm
Upper roller diameter E 76,5 mm
Under roller diameter F 54,5 mm
Min fillet radius rs 1,1 mm
Min fillet radius r1s 1,1 mm
Radial clearance class C3
Mass 0,519 kg
Brand NTN
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Dynamic load, C 76 kN
Static load, C0 84,5 kN
Fatigue limit load, Cu 10,3 kN
Nlim (oil) 8000 tr/min
Nlim (grease) 6800 tr/min
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,416 Hz
Characteristic rolling element frequency, BSF 5,787 Hz
Characteristic outer ring frequency, BPF0 6,24 Hz
Characteristic inner ring frequency, BPFI 8,76 Hz


Min shoulder diameter IR da min 51,5 mm
Small face shoulder max diameter da max 54 mm
db min 57 mm
Max shoulder diameter OR Da max 78,5 mm
Max fillet radius ra max 1 mm
Maxi fillet radius r1a 1 mm
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