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NU220EG1 - NTN

NU220EG1

Single row cylindrical roller bearing, floating, separable, brass 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.

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Internal diameter d 100 mm
External diameter D 180 mm
Bearing/Inner ring width(B) 34 mm
Upper roller diameter E 163 mm
Under roller diameter F 119 mm
Min fillet radius rs 2,1 mm
Min fillet radius r1s 2,1 mm
Radial clearance class CN
Mass 3,66 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 249 kN
Static load, C0 305 kN
Fatigue limit load, Cu 33,6 kN
Nlim (oil) 4100 tr/min
Nlim (grease) 3500 tr/min
Min operating temperature, Tmin -40 °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 7,174 Hz
Characteristic inner ring frequency, BPFI 9,826 Hz

ABUTMENT

Min shoulder diameter IR da min 111 mm
Small face shoulder max diameter da max 117 mm
db min 122 mm
Max shoulder diameter OR Da max 169 mm
Max fillet radius ra max 2 mm
Maxi fillet radius r1a 2 mm
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