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NTN 387AS is a single row inch series tapered roller bearing with a straight bore. Designed for radial and axial loads in gearboxes, wheel hubs, and industrial machinery.
MODEL 387AS
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$33.68 Each
Prices are subject to change
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Brand Minimum Order Quantity: 3
Typically Ships in: 1 day
Returnable:No
Technical Specifications
Type | Cone |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Static Load Rating | 23600 lbf105000 N105.00 kN |
Dynamic Load Rating | 18500 lbf82500 N82.50 kN |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Y2 (Axial Load Factor) | 1.69 |
e (Axial Load Factor) | 0.35 |
Dimensional Specifications
| |
B | 2.2500 in57.150 mm |
|---|---|
Wi | 0.8640 in21.946 mm |
R | 0.2000 in5.100 mm |
U | 2.83 in72.0 mm |
V | 2.44 in62.0 mm |
a (Effective Load Center) | -0.1200 in-3.000 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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