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Single row tapered roller bearings

32220U - NTN

32220U

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 diameter100 mm
D - External diameter180 mm
B - Bearing/Inner ring width46 mm
C - Outer ring width39 mm
T - Total width49 mm
d1 - External diameter inner ring137,5 mm
a - Charge load application point41,5 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius2,5 mm
Mass5,11 kg
ISO 355 referenceT3FC100
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PRODUCT PERFORMANCE
C - Dynamic load365 kN
C0 - Static load465 kN
Cu - Fatigue limit load51 kN
A2 - Rating life coefficient1
e - Coefficient0.42
Y0 - Static axial load coefficient0.79
Y2 - Upper axial load coefficient1.43
N lim - Oil lubrication limit speed2700 tr/min
N lim - Grease lubrication limit speed2000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR114 mm
db min - Min IR shoulder diameter114 mm
Da min - Min shoulder diameter OR154 mm
Da max - Max shoulder diameter OR168 mm
Db min - Min OR shoulder diameter171 mm
Ca - Min clearance5 mm
Cb - Min clearance10 mm
ra max - Max fillet radius2,5 mm
r1a - Max fillet radius2 mm
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