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4T-JL69349/JL69310 - NTN

4T-JL69349/JL69310

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 diameter38 mm
D - External diameter63 mm
B - Bearing/Inner ring width17 mm
C - Outer ring width13,5 mm
T - Total width17 mm
d1 - External diameter inner ring51 mm
a - Charge load application point14,7 mm
Mass0,2 kg
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PRODUCT PERFORMANCE
C - Dynamic load43 kN
C0 - Static load52,5 kN
Cu - Fatigue limit load6,4 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 speed7600 tr/min
N lim - Grease lubrication limit speed5700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR42,5 mm
db min - Min IR shoulder diameter49 mm
Da max - Max shoulder diameter OR56 mm
Db min - Min OR shoulder diameter60 mm
ra max - Max fillet radius3,94 mm
r1a - Max fillet radius1,3 mm
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