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Single row tapered roller bearings

4T-JH211749/JH211710PK - NTN

4T-JH211749/JH211710PK

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 diameter65 mm
D - External diameter120 mm
B - Bearing/Inner ring width38,5 mm
C - Outer ring width32 mm
T - Total width39 mm
a - Charge load application point28,1 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius2,5 mm
Mass1,9 kg
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PRODUCT PERFORMANCE
C - Dynamic load205 kN
C0 - Static load248 kN
A2 - Rating life coefficient1
e - Coefficient0.34
Y0 - Static axial load coefficient0.98
Y2 - Upper axial load coefficient1.78
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 IR74 mm
db min - Min IR shoulder diameter80 mm
Da max - Max shoulder diameter OR114 mm
Db min - Min OR shoulder diameter107 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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