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NTN L420449/L420410 is an inch series tapered roller bearing with a straight bore and open enclosure. Constructed from case carburized steel, this single row bearing is designed for applications requiring high radial and axial load capacity. Suitable for gearboxes, conveyors, and industrial machinery.
MODEL L420449/L420410
$410.96 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
0.1100 in
B (in)
4.0000
Bore Type
Round
Bore type
Round
Cone Number
L420449
Configuration
One
Cup Number
L420410
D (in)
5.3750
Enclosure
Open
I.D.
4 in
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
5.375 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision Rating
Class 4
Precision rating
Class 4
r (in)
0.0600
R (in)
0.06
Style
Cone & cup
Type
Tapered Roller Bearing
W
0.8438 in
Wi
0.8438 in
Wo
0.6563 in
Technical Specifications
Type | Tapered Roller Bearing |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class 4 |
Cone Number | L420449 |
Cup Number | L420410 |
Configuration | One |
Lubrication | w/o Oil Hole |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
|
| |
B | 4.0000 in101.600 mm |
|---|---|
D | 5.3750 in136.525 mm |
Wo | 0.6563 in16.670 mm |
Wi | 0.8438 in21.433 mm |
W | 0.8438 in21.433 mm |
r | 0.0600 in1.500 mm |
R | 0.06 in1.5 mm |
a (Effective Load Center) | 0.1100 in2.800 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.