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The NTN JM718149/JM718110 is an inch series tapered roller bearing set consisting of cone JM718149 and cup JM718110. It features a straight bore, open design, and is constructed from case carburized steel for enhanced durability under heavy radial and axial loads. This bearing is suitable for industrial gearboxes, axle housings, and other high-load applications.
MODEL JM718149/JM718110
$136.99 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
-0.0800 in
B (in)
3.5433
Bore Type
Round
Bore type
Round
Cone Number
JM718149
Configuration
One
Cup Number
JM718110
D (in)
5.7087
Dynamic Load Rating
45500 lbf
Dynamic load rating
45500 lbf
e (Axial Load Factor)
0.44
Enclosure
Open
Lubrication
w/o Oil Hole
Material
Case carburized steel
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision Rating
Class N
Precision rating
Class N
R (in)
0.12
r (in)
0.1000
Static Load Rating
69500 lbf
Static load rating
69500 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
4.13 in
V
3.90 in
W
1.3780 in
Wi
1.3386 in
Wo
1.0630 in
X
5.47 in
Y2 (Axial Load Factor)
1.35
Z
5.16 in
Technical Specifications
Type |
Tapered Roller Bearing |
Bore Type |
Round |
Material |
Case Carburized Steel |
Style |
Cone & Cup |
Precision Rating |
Class N |
Cone Number |
JM718149 |
Cup Number |
JM718110 |
Configuration |
One |
Lubrication |
w/o Oil Hole |
e (Axial Load Factor) |
0.44 |
Y2 (Axial Load Factor) |
1.35 |
Static Load Rating |
69500 lbf310000 N310.00 kN |
Dynamic Load Rating |
45500 lbf202000 N202.00 kN |
Enclosure |
Open |
Operating Temperature Range |
-40 to 250 F-40 to 120 C |
Dimensional Specifications
|
|
|
B |
3.5433 in90.000 mm |
D |
5.7087 in140.000 mm |
Wo |
1.0630 in27.000 mm |
Wi |
1.3386 in34.000 mm |
W |
1.3780 in35.000 mm |
r |
0.1000 in2.500 mm |
R |
0.12 in3.0 mm |
a (Effective Load Center) |
-0.0800 in-2.000 mm |
U |
4.13 in105.0 mm |
V |
3.90 in99.0 mm |
X |
5.47 in139.0 mm |
Z |
5.16 in131.0 mm |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.