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Single row tapered roller bearings

4T-HM903249 - NTN

4T-HM903249

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 diameter44,45 mm
B - Bearing/Inner ring width28,575 mm
d1 - External diameter inner ring71,5 mm
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PRODUCT PERFORMANCE
C - Dynamic load107 kN
C0 - Static load116 kN
A2 - Rating life coefficient1
e - Coefficient0.74
Y0 - Static axial load coefficient0.45
Y2 - Upper axial load coefficient0.81
ABUTMENT
da max - Max shoulder diameter IR54 mm
db min - Min IR shoulder diameter65 mm
ra max - Max fillet radius3,5 mm
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