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Single row tapered roller bearings

4T-1779 - NTN

4T-1779

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 diameter23,812 mm
B - Bearing/Inner ring width19,837 mm
d1 - External diameter inner ring39 mm
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PRODUCT PERFORMANCE
C - Dynamic load47,5 kN
C0 - Static load46,5 kN
A2 - Rating life coefficient1
e - Coefficient0.31
Y0 - Static axial load coefficient1.07
Y2 - Upper axial load coefficient1.95
ABUTMENT
da max - Max shoulder diameter IR28,5 mm
db min - Min IR shoulder diameter29,5 mm
ra max - Max fillet radius0,8 mm
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