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Single row cylindrical roller bearings

NJ316.EG15 - SNR

NJ316.EG15

Single row cylindrical roller bearing, single direction for axial loads, separable, polyamide cage.

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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.

Documentation

Product information

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 - IR flange outer diameter110,4 mm
D1 - OR flange inner diameter143,9 mm
rs - Min fillet radius2,1 mm
r1s - Min fillet radius2,1 mm
Radial clearance classCN
Mass4,04 kg
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PRODUCT PERFORMANCE
C - Dynamic load259 kN
C0 - Static load287 kN
Cu - Fatigue limit load32,7 kN
N ref - Reference thermal speed3800 tr/min
N lim - Mechanical Limit Speed4900 tr/min
N lim - Oil lubrication limit speed4000 tr/min
N lim - Grease lubrication limit speed3300 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)5,21 Hz
BPFI - Over rolling frequency on inner (60 rpm)7,79 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,842 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,421 Hz
FTF - Rotational frequency - cage (60 rpm)0,401 Hz
ABUTMENT
da min - Min shoulder diameter IR91 mm
da max - Small face shoulder max diameter99 mm
db min - Min inner ring GO diameter105 mm
dc min - Min inner ring GO diameter114 mm
Da max - Max shoulder diameter OR159 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
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