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NJ322EG15 - SNR

NJ322EG15

Single row cylindrical roller bearing, single direction for axial loads, 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) 240 mm
Bearing/Inner ring width (B) 50 mm
Upper roller diameter E 211 mm
Under roller diameter F 143 mm
d1 155,6 mm
OR flange inner diameter D1 200,9 mm
Min fillet radius (rs) 3 mm
Min fillet radius r1s 3 mm
Radial clearance class CN
Mass 10,7 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 437 kN
Static load (C0) 503 kN
Fatigue limit load (Cu) 51,7 kN
Reference thermal speed (Nref) 2800 tr/min
Mechanical Limit Speed (Nlim) 3400 tr/min
Nlim (oil) 2800 tr/min
Nlim (grease) 2400 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,404 Hz
Characteristic rolling element frequency, BSF 5,014 Hz
Characteristic outer ring frequency, BPF0 5,251 Hz
Characteristic inner ring frequency, BPFI 7,749 Hz

ABUTMENT

Min shoulder diameter IR (da min) 123 mm
Small face shoulder max diameter da max 140 mm
db min 145 mm
Min NJ & N type IR GO diameter dc min 158 mm
Max shoulder diameter OR (Da max) 227 mm
Max fillet radius ra max 2,5 mm
Maxi fillet radius r1a 2,5 mm
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