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Single row cylindrical roller bearings

N307ET2X - NTN

N307ET2X

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
BrandNTN
d - Internal diameter35 mm
D - External diameter80 mm
B - Bearing/Inner ring width21 mm
E - Upper roller diameter70,2 mm
F - Under roller diameter46,2 mm
d1 - IR flange outer diameter51 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,1 mm
Radial clearance classCN
Mass0,5 kg
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PRODUCT PERFORMANCE
C - Dynamic load71 kN
C0 - Static load71 kN
Cu - Fatigue limit load8,7 kN
N lim - Oil lubrication limit speed9600 tr/min
N lim - Grease lubrication limit speed8100 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR43 mm
Da max - Max shoulder diameter OR73,5 mm
Db min - Small face shoulder min diameter71,4 mm
Dc max - Max outer ring GO diameter68,4 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1 mm
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