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NU2222EG15 - SNR

NU2222EG15

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) 110 mm
External diameter (D) 200 mm
Bearing/Inner ring width (B) 53 mm
Upper roller diameter E 180,5 mm
Under roller diameter F 132,5 mm
OR flange inner diameter D1 173,8 mm
Min fillet radius (rs) 2,1 mm
Min fillet radius r1s 2,1 mm
Radial clearance class CN
Mass 6,73 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 389 kN
Static load (C0) 526 kN
Fatigue limit load (Cu) 56,1 kN
Reference thermal speed (Nref) 2800 tr/min
Mechanical Limit Speed (Nlim) 4000 tr/min
Nlim (oil) 3400 tr/min
Nlim (grease) 2800 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,423 Hz
Characteristic rolling element frequency, BSF 6,367 Hz
Characteristic outer ring frequency, BPF0 7,196 Hz
Characteristic inner ring frequency, BPFI 9,804 Hz

ABUTMENT

Min shoulder diameter IR (da min) 121 mm
Small face shoulder max diameter da max 130 mm
Max shoulder diameter OR (Da max) 189 mm
Max fillet radius ra max 2 mm
Maxi fillet radius r1a 2 mm
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