N210ET2X - 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 50 mm
External diameter D 90 mm
Bearing/Inner ring width(B) 20 mm
Upper roller diameter E 81,5 mm
Under roller diameter F 59,5 mm
d1 63,9 mm
Min fillet radius rs 1,1 mm
Min fillet radius r1s 1,1 mm
Radial clearance class CN
Mass 0,485 kg
Brand NTN
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Dynamic load, C 66 kN
Static load, C0 72 kN
Fatigue limit load, Cu 8,8 kN
Nlim (oil) 8100 tr/min
Nlim (grease) 6900 tr/min
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,422 Hz
Characteristic rolling element frequency, BSF 6,253 Hz
Characteristic outer ring frequency, BPF0 6,752 Hz
Characteristic inner ring frequency, BPFI 9,248 Hz


Min shoulder diameter IR da min 56,5 mm
Max shoulder diameter OR Da max 83,5 mm
Min shoulder diameter small face Db min 83 mm
Max N type OR GO diameter Dc max 79 mm
Max fillet radius ra max 1 mm
Maxi fillet radius r1a 1 mm
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