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L812111

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NTN L812111 is a single-row tapered roller bearing cup for inch-series applications. Designed as a separable outer ring component, it pairs with the corresponding cone (L812100 series) to form a complete tapered roller bearing assembly. Suitable for moderate radial and axial loads in industrial gearboxes, axle housings, and conveyor systems.

MODEL L812111

BRAND

SKU

274301

WEIGHT

0.289 lb

UOM

each

$20.55 Each

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Height

4.064

I.D.

2.625 in

Length

4.064

Material

Carburized Steel

O.D.

4.0635 in

Width

0.472

Technical Specifications

Type

Bearing Cup

Material

Case Carburized Steel

Weight

0.289 lb0.131 kg

Dimensional Specifications


Cup for Tapered Roller Bearing - Inch Series and J Series - Dimensions

D

4.0635 in103.213 mm

Wo

0.4720 in11.989 mm

W

0.6930 in17.602 mm

r

0.0300 in0.800 mm

X

3.90 in99.0 mm

Z

3.78 in96.0 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.