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N208 - NTN

N208

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 diameter80 mm
B - Bearing/Inner ring width18 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
Mass0,37 kg
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PRODUCT PERFORMANCE
C - Dynamic load48,5 kN
C0 - Static load43 kN
Cu - Fatigue limit load5,25 kN
N lim - Oil lubrication limit speed11000 tr/min
N lim - Grease lubrication limit speed9400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR46,5 mm
Da max - Max shoulder diameter OR73,5 mm
Db min - Small face shoulder min diameter71 mm
Dc max - Max outer ring GO diameter68 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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