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NU.316.EG15 - SNR

NU.316.EG15

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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3D file

Technical datasheet

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PRODUCT DEFINITION
BrandSNR
d - Internal diameter80 mm
D - External diameter170 mm
B - Bearing/Inner ring width39 mm
E - Upper roller diameter151 mm
F - Under roller diameter101 mm
D1 - OR flange inner diameter143,9 mm
rs - Min fillet radius2,1 mm
r1s - Min fillet radius2,1 mm
Radial clearance classCN
Mass3,96 kg
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PRODUCT PERFORMANCE
C - Dynamic load259 kN
C0 - Static load287 kN
Cu - Fatigue limit load32,7 kN
Nref - Reference thermal speed3800 tr/min
Nlim - Mechanical Limit Speed4900 tr/min
Nlim - Oil lubrication limit speed4000 tr/min
Nlim - Grease lubrication limit speed3300 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)5,21 Hz
BPFI - Characteristic inner ring frequency (60 rpm)7,79 Hz
FTF - Characteristic cage frequency (60 rpm)0,401 Hz
BSF - Characteristic rolling element frequency (60 rpm)4,842 Hz
ABUTMENT
da min - Min shoulder diameter IR91 mm
da max - Small face shoulder max diameter99 mm
Da max - Max shoulder diameter OR159 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
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Calcul factors image

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