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Single row tapered roller bearings

4T-2688 - NTN

4T-2688

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 diameter26,988 mm
B - Bearing/Inner ring width25,433 mm
d1 - External diameter inner ring45 mm
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PRODUCT PERFORMANCE
C - Dynamic load71,5 kN
C0 - Static load72,5 kN
A2 - Rating life coefficient1
e - Coefficient0.25
Y0 - Static axial load coefficient1.3
Y2 - Upper axial load coefficient2.36
ABUTMENT
da max - Max shoulder diameter IR33 mm
db min - Min IR shoulder diameter35 mm
ra max - Max fillet radius1,5 mm
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