NU218C3 - NTN


Single row cylindrical roller bearing, floating, separable, pressed steel 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 90 mm
External diameter D 160 mm
Bearing/Inner ring width(B) 30 mm
Upper roller diameter E 143 mm
Under roller diameter F 107 mm
Min fillet radius rs 2 mm
Min fillet radius r1s 2 mm
Radial clearance class C3
Mass 2,3 kg
Brand NTN
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Dynamic load, C 169 kN
Static load, C0 178 kN
Fatigue limit load, Cu 20,3 kN
Nlim (oil) 5000 tr/min
Nlim (grease) 4300 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,428 Hz
Characteristic rolling element frequency, BSF 6,8 Hz
Characteristic outer ring frequency, BPF0 6,848 Hz
Characteristic inner ring frequency, BPFI 9,152 Hz


Min shoulder diameter IR da min 99 mm
Small face shoulder max diameter da max 105 mm
db min 109 mm
Max shoulder diameter OR Da max 151 mm
Max fillet radius ra max 2 mm
Maxi fillet radius r1a 2 mm
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