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4T-395A/394A - NTN

4T-395A/394A

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 diameter66,675 mm
D - External diameter110 mm
B - Bearing/Inner ring width21,996 mm
C - Outer ring width18,824 mm
T - Total width22 mm
d1 - External diameter inner ring87 mm
a - Charge load application point21,3 mm
Mass0,803 kg
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PRODUCT PERFORMANCE
C - Dynamic load99,5 kN
C0 - Static load120 kN
Cu - Fatigue limit load14,6 kN
A2 - Rating life coefficient1
e - Coefficient0.4
Y0 - Static axial load coefficient0.82
Y2 - Upper axial load coefficient1.49
N lim - Oil lubrication limit speed4300 tr/min
N lim - Grease lubrication limit speed3200 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR73 mm
db min - Min IR shoulder diameter73 mm
Da max - Max shoulder diameter OR101 mm
Db min - Min OR shoulder diameter104 mm
ra max - Max fillet radius0,8 mm
r1a - Max fillet radius1,3 mm
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