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Single row tapered roller bearings

4T-339 - NTN

4T-339

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 diameter35 mm
B - Bearing/Inner ring width22,403 mm
d1 - External diameter inner ring58,5 mm
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PRODUCT PERFORMANCE
C - Dynamic load75,5 kN
C0 - Static load75 kN
A2 - Rating life coefficient1
e - Coefficient0.27
Y0 - Static axial load coefficient1.21
Y2 - Upper axial load coefficient2.2
ABUTMENT
da max - Max shoulder diameter IR41,5 mm
db min - Min IR shoulder diameter42,5 mm
ra max - Max fillet radius0,8 mm
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