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Single row cylindrical roller bearings

NUP308ET2X - NTN

NUP308ET2X

Single row cylindrical roller bearing, locating, 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 diameter40 mm
D - External diameter90 mm
B - Bearing/Inner ring width23 mm
E - Upper roller diameter80 mm
F - Under roller diameter52 mm
d1 - IR flange outer diameter57,6 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Radial clearance classCN
Mass0,69 kg
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PRODUCT PERFORMANCE
C - Dynamic load83 kN
C0 - Static load81,5 kN
Cu - Fatigue limit load9,9 kN
N lim - Oil lubrication limit speed8500 tr/min
N lim - Grease lubrication limit speed7200 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR48 mm
dc min - Min inner ring GO diameter60 mm
Da max - Max shoulder diameter OR82 mm
ra max - Max fillet radius1,5 mm
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