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4T-JHM807045/JHM807012 - NTN

4T-JHM807045/JHM807012

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 diameter50 mm
D - External diameter105 mm
B - Bearing/Inner ring width36 mm
C - Outer ring width29 mm
T - Total width37 mm
d1 - External diameter inner ring81,5 mm
a - Charge load application point29,5 mm
Mass1,52 kg
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PRODUCT PERFORMANCE
C - Dynamic load153 kN
C0 - Static load189 kN
Cu - Fatigue limit load23 kN
A2 - Rating life coefficient1
e - Coefficient0.49
Y0 - Static axial load coefficient0.68
Y2 - Upper axial load coefficient1.23
N lim - Oil lubrication limit speed4800 tr/min
N lim - Grease lubrication limit speed3600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR63 mm
db min - Min IR shoulder diameter69 mm
Da max - Max shoulder diameter OR90 mm
Db min - Min OR shoulder diameter100 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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