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4T-47686/47620 - NTN

4T-47686/47620

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.

This kit contains the following reference(s)

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter82,55 mm
D - External diameter133,35 mm
B - Bearing/Inner ring width33,338 mm
C - Outer ring width26,195 mm
T - Total width33,338 mm
d1 - External diameter inner ring108 mm
a - Charge load application point29,438 mm
Mass1,72 kg
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PRODUCT PERFORMANCE
C - Dynamic load170 kN
C0 - Static load235 kN
Cu - Fatigue limit load28 kN
A2 - Rating life coefficient1
e - Coefficient0.4
Y0 - Static axial load coefficient0.82
Y2 - Upper axial load coefficient1.48
N lim - Oil lubrication limit speed3500 tr/min
N lim - Grease lubrication limit speed2600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR90 mm
db min - Min IR shoulder diameter97 mm
Da max - Max shoulder diameter OR119 mm
Db min - Min OR shoulder diameter128 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius3,3 mm
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