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The NTN 55443 is an inch-series single-row tapered roller bearing with a straight bore. Designed for radial and axial load combinations, it is commonly used in gearboxes, conveyor systems, and industrial machinery.
MODEL 55443
$77.93 Each
Prices are subject to change
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Returnable:No
Height
4.438
I.D.
2.0625 in
Length
4.438
Material
Carburized Steel
O.D.
4.4375 in
Width
0.8125
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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