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Single row tapered roller bearings

4T-L814749/L814710 - NTN

4T-L814749/L814710

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 diameter76,2 mm
D - External diameter109,538 mm
B - Bearing/Inner ring width19,05 mm
C - Outer ring width15,083 mm
T - Total width19,05 mm
d1 - External diameter inner ring95 mm
a - Charge load application point24,05 mm
Mass0,579 kg
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PRODUCT PERFORMANCE
C - Dynamic load70 kN
C0 - Static load115 kN
Cu - Fatigue limit load14 kN
A2 - Rating life coefficient1
e - Coefficient0.5
Y0 - Static axial load coefficient0.66
Y2 - Upper axial load coefficient1.2
N lim - Oil lubrication limit speed4100 tr/min
N lim - Grease lubrication limit speed3100 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR82 mm
db min - Min IR shoulder diameter84 mm
Da max - Max shoulder diameter OR100 mm
Db min - Min OR shoulder diameter105 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
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