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Single row tapered roller bearings

33218U - NTN

33218U

Tapered roller bearing, pressed steel cage

The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter90 mm
D - External diameter160 mm
B - Bearing/Inner ring width55 mm
C - Outer ring width42 mm
T - Total width55 mm
a - Charge load application point41 mm
rs - Min fillet radius2,5 mm
r1s - Min fillet radius2 mm
Mass4,62 kg
ISO 355 referenceT3FE090
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PRODUCT PERFORMANCE
C - Dynamic load360 kN
C0 - Static load490 kN
Cu - Fatigue limit load56 kN
A2 - Rating life coefficient1
e - Coefficient0.42
Y0 - Static axial load coefficient0.78
Y2 - Upper axial load coefficient1.43
N lim - Oil lubrication limit speed3000 tr/min
N lim - Grease lubrication limit speed2300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR102 mm
db min - Min IR shoulder diameter101,5 mm
Da min - Min shoulder diameter OR131,5 mm
Da max - Max shoulder diameter OR150 mm
Db min - Min OR shoulder diameter154,5 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
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