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NU220EG15J30 - SNR

NU220EG15J30

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.

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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
OR flange inner diameter D1 156,9 mm
Min fillet radius (rs) 2,1 mm
Min fillet radius r1s 2,1 mm
Radial clearance class C3
Mass 3,48 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 251 kN
Static load (C0) 308 kN
Fatigue limit load (Cu) 33,9 kN
Reference thermal speed (Nref) 3500 tr/min
Mechanical Limit Speed (Nlim) 4500 tr/min
Nlim (oil) 3800 tr/min
Nlim (grease) 3100 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 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
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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