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Single row tapered roller bearings

4T-JHM516849/JHM516810PK - NTN

4T-JHM516849/JHM516810PK

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 diameter85 mm
D - External diameter140 mm
B - Bearing/Inner ring width38 mm
C - Outer ring width31,5 mm
T - Total width39 mm
a - Charge load application point5,9 mm
Mass2,3 kg
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PRODUCT PERFORMANCE
C - Dynamic load218 kN
C0 - Static load297 kN
A2 - Rating life coefficient1
e - Coefficient0.41
Y0 - Static axial load coefficient0.81
Y2 - Upper axial load coefficient1.47
N lim - Oil lubrication limit speed3400 tr/min
N lim - Grease lubrication limit speed2500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR100 mm
db min - Min IR shoulder diameter94 mm
Da min - Min shoulder diameter OR125 mm
Da max - Max shoulder diameter OR125 mm
Db min - Min OR shoulder diameter134 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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