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4T-A4059/A4138 - NTN

4T-A4059/A4138

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 diameter14,989 mm
D - External diameter34,988 mm
B - Bearing/Inner ring width10,988 mm
C - Outer ring width8,73 mm
T - Total width10,998 mm
a - Charge load application point8,5 mm
rs - Min fillet radius0,8 mm
r1s - Min fillet radius1,3 mm
Mass0,05 kg
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PRODUCT PERFORMANCE
C - Dynamic load12,3 kN
C0 - Static load11,6 kN
A2 - Rating life coefficient1
e - Coefficient0.45
Y0 - Static axial load coefficient0.73
Y2 - Upper axial load coefficient1.32
N lim - Oil lubrication limit speed16000 tr/min
N lim - Grease lubrication limit speed12000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR19 mm
db min - Min IR shoulder diameter19,5 mm
Da max - Max shoulder diameter OR29 mm
Db min - Min OR shoulder diameter32 mm
ra max - Max fillet radius0,8 mm
r1a - Max fillet radius1,3 mm
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