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The NTN HM218248 is a single-row tapered roller bearing cone from the HM inch series. It features a straight bore and is designed for use with a matching cup in applications such as gearboxes, axle housings, and industrial machinery. This cone is unsealed and suitable for medium-duty radial and axial loads.
MODEL HM218248
$91.97 Each
Prices are subject to change
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Returnable:No
Height
5.786
I.D.
3.5433 in
Length
5.786
O.D.
5.7874 in
Width
1.5748
Technical Specifications
Type |
Cone |
Bore Type |
Round |
Material |
Case Carburized Steel |
Static Load Rating |
87500 lbf390000 N390.00 kN |
Dynamic Load Rating |
56000 lbf250000 N250.00 kN |
Weight |
3.836 lb1.740 kg |
Operating Temperature Range |
-40 to 250 F-40 to 120 C |
Y2 (Axial Load Factor) |
1.80 |
e (Axial Load Factor) |
0.33 |
Dimensional Specifications
|
|
|
B |
3.5423 in89.974 mm |
Wi |
1.5748 in40.000 mm |
R |
0.2800 in7.100 mm |
U |
4.41 in112.0 mm |
V |
3.90 in99.0 mm |
a (Effective Load Center) |
-0.3400 in-8.600 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.
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