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Single row cylindrical roller bearings

NU.2205.E.G15.J30 - SNR

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 diameter25 mm
D - External diameter52 mm
B - Bearing/Inner ring width18 mm
E - Upper roller diameter46,5 mm
F - Under roller diameter31,5 mm
D1 - OR flange inner diameter43,8 mm
rs - Min fillet radius1 mm
r1s - Min fillet radius0,6 mm
Radial clearance classC3
Mass0,164 kg
PRODUCT PERFORMANCE
C - Dynamic load36 kN
C0 - Static load36 kN
Cu - Fatigue limit load4,4 kN
N ref - Reference thermal speed9700 tr/min
N lim - Mechanical Limit Speed17000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)5,25 Hz
BPFI - Over rolling frequency on inner (60 rpm)7,75 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,008 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,504 Hz
FTF - Rotational frequency - cage (60 rpm)0,404 Hz
ABUTMENT
da min - Min shoulder diameter IR29 mm
da max - Small face shoulder max diameter31 mm
Da max - Max shoulder diameter OR47 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius0,6 mm

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