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Single row cylindrical roller bearings

N.306.E.G15 - 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 diameter30 mm
D - External diameter72 mm
B - Bearing/Inner ring width19 mm
E - Upper roller diameter62,5 mm
F - Under roller diameter40,5 mm
d1 - IR flange outer diameter45 mm
rs - Min fillet radius1,1 mm
r1s - Min fillet radius1,1 mm
Radial clearance classCN
Mass0,366 kg
PRODUCT PERFORMANCE
C - Dynamic load54,7 kN
C0 - Static load52,1 kN
Cu - Fatigue limit load6,4 kN
N ref - Reference thermal speed8400 tr/min
N lim - Mechanical Limit Speed12000 tr/min
N lim - Oil lubrication limit speed9700 tr/min
N lim - Grease lubrication limit speed8200 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)4,718 Hz
BPFI - Over rolling frequency on inner (60 rpm)7,282 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,468 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,234 Hz
FTF - Rotational frequency - cage (60 rpm)0,393 Hz
ABUTMENT
da min - Min shoulder diameter IR36,5 mm
Da max - Max shoulder diameter OR65,5 mm
Db min - Small face shoulder min diameter63 mm
Dc max - Max outer ring GO diameter59 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm

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