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NTN JM205149A is a tapered roller bearing cone with a straight bore, manufactured from case carburized steel. This cone is designed for use in inch and J series tapered roller bearing assemblies, providing reliable performance in moderate-load industrial applications.
MODEL JM205149A
$67.74 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
-0.2900 in
B (in)
1.9685
Bore Type
Round
Bore type
Round
Dynamic Load Rating
23800 lbf
Dynamic load rating
23800 lbf
e (Axial Load Factor)
0.33
Height
3.543
I.D.
50 mm
Length
3.543
Material
Case carburized steel
O.D.
90 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
R (in)
0.2000
Static Load Rating
31500 lbf
Static load rating
31500 lbf
Type
Cone
Wi
1.1024 in
Y2 (Axial Load Factor)
1.82
Technical Specifications
Type | Cone |
Bore Type | Round |
Material | Case Carburized Steel |
Static Load Rating | 31500 lbf141000 N141.00 kN |
Dynamic Load Rating | 23800 lbf106000 N106.00 kN |
Weight | 1.109 lb0.503 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Y2 (Axial Load Factor) | 1.82 |
e (Axial Load Factor) | 0.33 |
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.
