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Single row tapered roller bearings

4T-JLM710949/JLM710910PK - NTN

4T-JLM710949/JLM710910PK

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.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter65 mm
D - External diameter105 mm
B - Bearing/Inner ring width23 mm
C - Outer ring width18,5 mm
T - Total width24 mm
d1 - External diameter inner ring85,5 mm
a - Charge load application point23,7 mm
Mass0,744 kg
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PRODUCT PERFORMANCE
C - Dynamic load94,5 kN
C0 - Static load117 kN
Cu - Fatigue limit load14,3 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 speed4500 tr/min
N lim - Grease lubrication limit speed3300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR71 mm
db min - Min IR shoulder diameter77 mm
Da max - Max shoulder diameter OR96 mm
Db min - Min OR shoulder diameter101 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius1 mm
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