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Single row tapered roller bearings

4T-JHM318448/JHM318410 - NTN

4T-JHM318448/JHM318410

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 diameter90 mm
D - External diameter155 mm
B - Bearing/Inner ring width44 mm
C - Outer ring width35,5 mm
T - Total width44 mm
d1 - External diameter inner ring120,5 mm
a - Charge load application point33,9 mm
Mass3,33 kg
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PRODUCT PERFORMANCE
C - Dynamic load299 kN
C0 - Static load385 kN
Cu - Fatigue limit load44,2 kN
A2 - Rating life coefficient1
e - Coefficient0.34
Y0 - Static axial load coefficient0.97
Y2 - Upper axial load coefficient1.76
N lim - Oil lubrication limit speed3100 tr/min
N lim - Grease lubrication limit speed2300 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 diameter106 mm
Da max - Max shoulder diameter OR140 mm
Db min - Min OR shoulder diameter148 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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