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Single row cylindrical roller bearings

NU.2212.E.G15.J30 - SNR

Single row cylindrical roller bearing, floating, 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 diameter60 mm
D - External diameter110 mm
B - Bearing/Inner ring width28 mm
E - Upper roller diameter100 mm
F - Under roller diameter72 mm
D1 - OR flange inner diameter96,1 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Radial clearance classC3
Mass1,08 kg
PRODUCT PERFORMANCE
C - Dynamic load127 kN
C0 - Static load150 kN
Cu - Fatigue limit load18,3 kN
N ref - Reference thermal speed4400 tr/min
N lim - Mechanical Limit Speed7500 tr/min
N lim - Oil lubrication limit speed6200 tr/min
N lim - Grease lubrication limit speed5100 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6,698 Hz
BPFI - Over rolling frequency on inner (60 rpm)9,302 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,98 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,99 Hz
FTF - Rotational frequency - cage (60 rpm)0,419 Hz
ABUTMENT
da min - Min shoulder diameter IR68 mm
da max - Small face shoulder max diameter71 mm
Da max - Max shoulder diameter OR102 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm

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