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Single row tapered roller bearings

4T-26878 - NTN

4T-26878

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 diameter38,1 mm
B - Bearing/Inner ring width25,4 mm
d1 - External diameter inner ring59,5 mm
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PRODUCT PERFORMANCE
C - Dynamic load85 kN
C0 - Static load97,5 kN
A2 - Rating life coefficient1
e - Coefficient0.32
Y0 - Static axial load coefficient1.04
Y2 - Upper axial load coefficient1.88
ABUTMENT
da max - Max shoulder diameter IR44,5 mm
db min - Min IR shoulder diameter45 mm
ra max - Max fillet radius0,8 mm
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