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NTN 842 is an inch series single row tapered roller bearing with a straight bore. Designed for radial and axial loads in gearboxes, wheel hubs, and industrial machinery. This bearing features a stamped steel cage and is supplied as a full assembly.
MODEL 842
$329.17 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Height
6.75
I.D.
3.25 in
Length
6.75
O.D.
6.625 in
Width
2.219
Technical Specifications
Type | Cone |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Static Load Rating | 119000 lbf530000 N530.00 kN |
Dynamic Load Rating | 84500 lbf375000 N375.00 kN |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Y2 (Axial Load Factor) | 2 |
e (Axial Load Factor) | 0.30 |
Dimensional Specifications
| |
B | 3.2500 in82.550 mm |
|---|---|
Wi | 2.2190 in56.363 mm |
R | 0.1400 in3.600 mm |
U | 3.98 in101.0 mm |
V | 3.70 in94.0 mm |
a (Effective Load Center) | -0.7300 in-18.500 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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