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NJ205EG15J30 - SNR

NJ205EG15J30

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) 25 mm
External diameter (D) 52 mm
Bearing/Inner ring width (B) 15 mm
Upper roller diameter E 46,5 mm
Under roller diameter F 31,5 mm
d1 34,7 mm
OR flange inner diameter D1 43,8 mm
Min fillet radius (rs) 1 mm
Min fillet radius r1s 0,6 mm
Radial clearance class C3
Mass 0,14 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 28,5 kN
Static load (C0) 26,7 kN
Fatigue limit load (Cu) 3,25 kN
Reference thermal speed (Nref) 12000 tr/min
Mechanical Limit Speed (Nlim) 17000 tr/min
Nlim (oil) 14000 tr/min
Nlim (grease) 11000 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 5,008 Hz
Characteristic outer ring frequency, BPF0 5,25 Hz
Characteristic inner ring frequency, BPFI 7,75 Hz

ABUTMENT

Min shoulder diameter IR (da min) 30 mm
Small face shoulder max diameter da max 31 mm
db min 34 mm
Min NJ & N type IR GO diameter dc min 37 mm
Max shoulder diameter OR (Da max) 47 mm
Max fillet radius ra max 1 mm
Maxi fillet radius r1a 0,6 mm
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