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Single row tapered roller bearings

4T-M903345 - NTN

4T-M903345

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 diameter41,275 mm
B - Bearing/Inner ring width23,812 mm
d1 - External diameter inner ring69,5 mm
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PRODUCT PERFORMANCE
C - Dynamic load80,5 kN
C0 - Static load81,5 kN
A2 - Rating life coefficient1
e - Coefficient0.83
Y0 - Static axial load coefficient0.4
Y2 - Upper axial load coefficient0.72
ABUTMENT
da max - Max shoulder diameter IR54 mm
db min - Min IR shoulder diameter60 mm
ra max - Max fillet radius3,5 mm
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