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NJ2208 - NTN

NJ2208

Single row cylindrical roller bearing, single direction for axial loads, 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 diameter80 mm
B - Bearing/Inner ring width23 mm
E - Upper roller diameter70 mm
F - Under roller diameter50 mm
d1 - IR flange outer diameter54,2 mm
rs - Min fillet radius1,1 mm
r1s - Min fillet radius1,1 mm
Radial clearance classCN
Mass0,5 kg
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PRODUCT PERFORMANCE
C - Dynamic load64,5 kN
C0 - Static load62 kN
Cu - Fatigue limit load7,55 kN
N lim - Oil lubrication limit speed10000 tr/min
N lim - Grease lubrication limit speed8500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR46,5 mm
da max - Small face shoulder max diameter49 mm
dc min - Min inner ring GO diameter56 mm
Da max - Max shoulder diameter OR73,5 mm
ra max - Max fillet radius1 mm
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