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Single row tapered roller bearings

4T-740 - NTN

4T-740

Mounted cone, 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 diameter80,962 mm
B - Bearing/Inner ring width46,672 mm
d1 - External diameter inner ring114,5 mm
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PRODUCT PERFORMANCE
C - Dynamic load289 kN
C0 - Static load360 kN
A2 - Rating life coefficient1
e - Coefficient0.33
Y0 - Static axial load coefficient1.01
Y2 - Upper axial load coefficient1.84
ABUTMENT
da max - Max shoulder diameter IR91 mm
db min - Min IR shoulder diameter101 mm
ra max - Max fillet radius5 mm
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