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NJ307EG15 - SNR

NJ307EG15

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) 35 mm
External diameter (D) 80 mm
Bearing/Inner ring width (B) 21 mm
Upper roller diameter E 70,2 mm
Under roller diameter F 46,2 mm
d1 51 mm
OR flange inner diameter D1 66,6 mm
Min fillet radius (rs) 1,5 mm
Min fillet radius r1s 1,1 mm
Radial clearance class C3
Mass 0,496 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 64,2 kN
Static load (C0) 62,4 kN
Fatigue limit load (Cu) 7,6 kN
Reference thermal speed (Nref) 7700 tr/min
Mechanical Limit Speed (Nlim) 11000 tr/min
Nlim (oil) 8600 tr/min
Nlim (grease) 7200 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,397 Hz
Characteristic rolling element frequency, BSF 4,644 Hz
Characteristic outer ring frequency, BPF0 4,763 Hz
Characteristic inner ring frequency, BPFI 7,237 Hz

ABUTMENT

Min shoulder diameter IR (da min) 43 mm
Small face shoulder max diameter da max 45 mm
db min 48 mm
Min NJ & N type IR GO diameter dc min 53 mm
Max shoulder diameter OR (Da max) 72 mm
Max fillet radius ra max 1,5 mm
Maxi fillet radius r1a 1 mm
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