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Single row cylindrical roller bearings

NU309EG15 - SNR

NU309EG15

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 diameter45 mm
D - External diameter100 mm
B - Bearing/Inner ring width25 mm
E - Upper roller diameter88,5 mm
F - Under roller diameter58,5 mm
D1 - OR flange inner diameter84,1 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Radial clearance classCN
Mass0,893 kg
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PRODUCT PERFORMANCE
C - Dynamic load97,4 kN
C0 - Static load98,3 kN
Cu - Fatigue limit load12 kN
N ref - Reference thermal speed6300 tr/min
N lim - Mechanical Limit Speed8500 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)5,173 Hz
BPFI - Over rolling frequency on inner (60 rpm)7,827 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,696 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,348 Hz
FTF - Rotational frequency - cage (60 rpm)0,398 Hz
ABUTMENT
da min - Min shoulder diameter IR53 mm
da max - Small face shoulder max diameter57 mm
Da max - Max shoulder diameter OR92 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
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