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NTN L217849 is a single-row tapered roller bearing cone from the inch series, featuring a straight bore. Designed for use with a matching cup, it handles combined radial and axial loads in gearboxes, conveyors, and industrial machinery.
MODEL L217849
$190.53 Each
Prices are subject to change
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Returnable:No
Height
4.875
I.D.
3.5 in
Length
4.875
O.D.
4.875 in
Width
0.8125
Technical Specifications
Type | Cone |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Static Load Rating | 31500 lbf141000 N141.00 kN |
Dynamic Load Rating | 18000 lbf80000 N80.00 kN |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Y2 (Axial Load Factor) | 1.82 |
e (Axial Load Factor) | 0.33 |
Dimensional Specifications
|
| |
B | 3.5000 in88.900 mm |
|---|---|
Wi | 0.8125 in20.638 mm |
R | 0.0600 in1.500 mm |
U | 3.82 in97.0 mm |
V | 3.70 in94.0 mm |
a (Effective Load Center) | 0.0300 in0.700 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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