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4T-27690/27620 - NTN

4T-27690/27620

Tapered roller bearing, 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.

This kit contains the following reference(s)

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter83,345 mm
D - External diameter125,412 mm
B - Bearing/Inner ring width25,4 mm
C - Outer ring width19,845 mm
T - Total width25,4 mm
d1 - External diameter inner ring105 mm
a - Charge load application point26 mm
Mass1,03 kg
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PRODUCT PERFORMANCE
C - Dynamic load113 kN
C0 - Static load163 kN
Cu - Fatigue limit load19,6 kN
A2 - Rating life coefficient1
e - Coefficient0.42
Y0 - Static axial load coefficient0.79
Y2 - Upper axial load coefficient1.44
N lim - Oil lubrication limit speed3600 tr/min
N lim - Grease lubrication limit speed2700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR90 mm
db min - Min IR shoulder diameter96 mm
Da max - Max shoulder diameter OR115 mm
Db min - Min OR shoulder diameter120 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius1,5 mm
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