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Single row cylindrical roller bearings

NU220EG1 - NTN

NU220EG1

Single row cylindrical roller bearing, floating, separable, brass 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 diameter100 mm
D - External diameter180 mm
B - Bearing/Inner ring width34 mm
E - Upper roller diameter163 mm
F - Under roller diameter119 mm
rs - Min fillet radius2,1 mm
r1s - Min fillet radius2,1 mm
Radial clearance classCN
Mass3,66 kg
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PRODUCT PERFORMANCE
C - Dynamic load249 kN
C0 - Static load305 kN
Cu - Fatigue limit load33,6 kN
N lim - Oil lubrication limit speed4100 tr/min
N lim - Grease lubrication limit speed3500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR111 mm
da max - Small face shoulder max diameter117 mm
db min - Min inner ring GO diameter122 mm
Da max - Max shoulder diameter OR169 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
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