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Single row cylindrical roller bearings

NU408 - NTN

NU408

Single row cylindrical roller bearing, floating, separable, pressed steel 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 diameter110 mm
B - Bearing/Inner ring width27 mm
E - Upper roller diameter92 mm
F - Under roller diameter58 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius2 mm
Radial clearance classCN
Mass1,3 kg
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PRODUCT PERFORMANCE
C - Dynamic load106 kN
C0 - Static load89 kN
Cu - Fatigue limit load10,9 kN
N lim - Oil lubrication limit speed6700 tr/min
N lim - Grease lubrication limit speed5700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR49 mm
da max - Small face shoulder max diameter57 mm
db min - Min inner ring GO diameter60 mm
Da max - Max shoulder diameter OR101 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
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