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Single row cylindrical roller bearings

NU2208EG15 - SNR

NU2208EG15

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 diameter80 mm
B - Bearing/Inner ring width23 mm
E - Upper roller diameter71,5 mm
F - Under roller diameter49,5 mm
D1 - OR flange inner diameter68,3 mm
rs - Min fillet radius1,1 mm
r1s - Min fillet radius1,1 mm
Radial clearance classCN
Mass0,492 kg
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PRODUCT PERFORMANCE
C - Dynamic load73,9 kN
C0 - Static load79,8 kN
Cu - Fatigue limit load9,7 kN
N ref - Reference thermal speed6300 tr/min
N lim - Mechanical Limit Speed11000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)5,727 Hz
BPFI - Over rolling frequency on inner (60 rpm)8,273 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,318 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,659 Hz
FTF - Rotational frequency - cage (60 rpm)0,409 Hz
ABUTMENT
da min - Min shoulder diameter IR46,5 mm
da max - Small face shoulder max diameter49 mm
Da max - Max shoulder diameter OR73,5 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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