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NU.326.E.M.J30 - SNR

NU.326.E.M.J30

Single row cylindrical roller bearing, floating, separable, brass 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) 130 mm
External diameter (D) 280 mm
Bearing/Inner ring width (B) 58 mm
Upper roller diameter E 247 mm
Under roller diameter F 167 mm
OR flange inner diameter D1 235,2 mm
Min fillet radius (rs) 4 mm
Min fillet radius r1s 4 mm
Radial clearance class C3
Mass 18,6 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 611 kN
Static load (C0) 728 kN
Fatigue limit load (Cu) 71,4 kN
Reference thermal speed (Nref) 2200 tr/min
Mechanical Limit Speed (Nlim) 3800 tr/min
Nlim (oil) 2400 tr/min
Nlim (grease) 2000 tr/min
Min operating temperature (Tmin) -40 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,403 Hz
Characteristic rolling element frequency, BSF 4,982 Hz
Characteristic outer ring frequency, BPF0 5,647 Hz
Characteristic inner ring frequency, BPFI 8,353 Hz

ABUTMENT

Min shoulder diameter IR (da min) 146 mm
Small face shoulder max diameter da max 164 mm
Max shoulder diameter OR (Da max) 264 mm
Max fillet radius ra max 3 mm
Maxi fillet radius r1a 3 mm
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