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NTN 355A is a single row tapered roller bearing cone for inch series applications. It features a straight bore and is manufactured from case carburized steel for durability under heavy radial and axial loads. This cone is designed for use with a matching cup in industrial gearboxes and axle assemblies.
MODEL 355A
$71.44 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
-0.2000 in
B (in)
1.7500
Bore Type
Round
Bore type
Round
Dynamic Load Rating
15600 lbf
Dynamic load rating
15600 lbf
e (Axial Load Factor)
0.31
Height
3.548
I.D.
1.7505 in
Length
3.548
Material
Case carburized steel
O.D.
3.3125 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
R (in)
0.0300
Static Load Rating
17900 lbf
Static load rating
17900 lbf
Type
Cone
Wi
0.8540 in
Width
0.854
Y2 (Axial Load Factor)
1.96
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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