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Single row cylindrical roller bearings

NJ2209EG15 - SNR

NJ2209EG15

Single row cylindrical roller bearing, single direction for axial loads, 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 diameter85 mm
B - Bearing/Inner ring width23 mm
F - Under roller diameter54,5 mm
d1 - IR flange outer diameter59 mm
D1 - OR flange inner diameter73 mm
s - Max axial offset0,9 mm
rNs - Min fillet radius0 mm
D4 max - Max outer diameter of assembled stop ring0 mm
rs - Min fillet radius1,1 mm
r1s - Min fillet radius1,1 mm
Radial clearance classCN
Mass0,54 kg
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PRODUCT PERFORMANCE
C - Dynamic load85 kN
C0 - Static load84,6 kN
Cu - Fatigue limit load10,3 kN
N ref - Reference thermal speed5800 tr/min
N lim - Mechanical Limit Speed9900 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6,24 Hz
BPFI - Over rolling frequency on inner (60 rpm)8,76 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,787 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,894 Hz
FTF - Rotational frequency - cage (60 rpm)0,416 Hz
ABUTMENT
da min - Min shoulder diameter IR51,5 mm
da max - Small face shoulder max diameter54 mm
dc min - Min inner ring GO diameter61 mm
Da max - Max shoulder diameter OR78,5 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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