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L420449/L420410

Image for Illustration purposes only. Actual product may vary

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

BRAND

SKU

274327

WEIGHT

1.832 lb

UOM

each

UPC

4547359483062

$410.96 Each

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Bearing Modification Services

Typically Ships in: 1 day

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


Tapered Roller Set - Inch Series and J Series - Dimensions

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.

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Return policy

Item must be unused.

Item must be in it's original package.