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Single row cylindrical roller bearings

NU308EG15 - SNR

NU308EG15
NU308EG15
NU308EG15
NU308EG15

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.

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter40 mm
D - External diameter90 mm
B - Bearing/Inner ring width23 mm
F - Under roller diameter52 mm
d1 - IR flange outer diameter0 mm
D1 - OR flange inner diameter75,4 mm
s - Max axial offset1 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Radial clearance classCN
Mass0,68 kg
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PRODUCT PERFORMANCE
C - Dynamic load91,9 kN
C0 - Static load80,4 kN
Cu - Fatigue limit load9,8 kN
N ref - Reference thermal speed6900 tr/min
N lim - Mechanical Limit Speed9500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)4,727 Hz
BPFI - Over rolling frequency on inner (60 rpm)7,273 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,502 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,251 Hz
FTF - Rotational frequency - cage (60 rpm)0,394 Hz
ABUTMENT
da min - Min shoulder diameter IR48 mm
da max - Small face shoulder max diameter51 mm
db min - Min inner ring GO diameter55 mm
Da max - Max shoulder diameter OR82 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
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Industry Calcul Factors

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