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NTN 2780 inch-series single-row tapered roller bearing with straight bore. Designed for radial and axial load combinations, commonly used in gearboxes, wheel hubs, and industrial machinery.
MODEL 2780
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$34.71 Each
Prices are subject to change
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
Height
3
I.D.
1.4365 in
Length
3
O.D.
2.875 in
Width
1.01
Technical Specifications
Type | Cone |
Bore Type | Round |
Material | Case Carburized Steel |
Static Load Rating | 20300 lbf90500 N90.50 kN |
Dynamic Load Rating | 16400 lbf73000 N73.00 kN |
| 0.723 lb0.328 kg | |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Y2 (Axial Load Factor) | 1.98 |
e (Axial Load Factor) | 0.30 |
Dimensional Specifications
| |
B | 1.4365 in36.487 mm |
Wi | 1.0100 in25.654 mm |
R | 0.0600 in1.500 mm |
U | 1.75 in44.5 mm |
V | 1.67 in42.5 mm |
a (Effective Load Center) | -0.3100 in-7.800 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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