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NTN Tapered Roller Bearing Cup: 20 1/4 in OD, 2.5 in Cup Wd, 3.25 in Overall Wd - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN Tapered Roller Bearing Cup: 20 1/4 in OD, 2.5 in Cup Wd, 3.25 in Overall Wd

The NTN Tapered Roller Bearing Cup (SKU LM665910A, part number LM665910A) is an inch-system cup with a 20 1/4 in outer diameter, a 2.5 in cup width, and a 3.25 in overall width. It is made of alloy steel and is…

SKU 3G-OTH-113111

Brand
NTN
Item
Tapered Roller Bearing Cup: 20 1/4 in OD, 2.5 in Cup Wd, 3.25 in Overall Wd
Category
Tapered Roller Bearing Cups
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Technical Specifications

NTN
Manufacturer Part Number
LM665910A
Type
LM665910A
Cup Wd
2.5 in
Overall Wd
3.25 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
LM665949A

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NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Tapered Roller Bearing Cup (SKU LM665910A, part number LM665910A) is an inch-system cup with a 20 1/4 in outer diameter, a 2.5 in cup width, and a 3.25 in overall width. It is made of alloy steel and is designed for use with the compatible cone part number LM665949A.

Frequently Asked Questions

What is the NTN LM665910A tapered roller bearing cup used for?

The NTN LM665910A cup is used in heavy-duty industrial applications requiring high radial and axial load capacity, such as mining, construction, and material handling equipment. It pairs with the LM665949A cone to form a complete tapered roller bearing assembly.

What are the specifications of the NTN LM665910A bearing cup?

The NTN LM665910A cup has a 20 1/4 in outer diameter, 2.5 in cup width, and 3.25 in overall width. It is made of alloy steel, uses inch-system measurement, and is compatible with cone part number LM665949A.

Where to buy the NTN LM665910A bearing cup worldwide?

3G Electric supplies the NTN LM665910A bearing cup worldwide, handling full logistics and customs clearance for global delivery. As a sourcing specialist, we provide genuine NTN parts to industrial customers across 14 departments, including power transmission and material handling.

How to select the correct cone for the NTN LM665910A cup?

To select the correct cone, use the compatible cone manufacturer part number LM665949A, as specified by NTN. Ensure the cone matches the cup's inch-system dimensions and alloy steel material for proper fit and load distribution in your bearing assembly.

Used in

Common applications for NTN
Automotive driveline — NTN tapered roller bearing assemblies (e.g., 4T-30303) for differential and wheel hub applications
Conveyor systems — NTN 4-bolt flange bearings (e.g., UCF211-200D1) for idler rollers and take-up units
Machine tool spindles — NTN duplex angular contact bearings (e.g., ML7006CVDUJ74S) for high-speed precision rotation
Industrial fans — NTN high-temperature radial ball bearings (e.g., 6004FT150) for oven and dryer exhaust systems
Pump drives — NTN radial ball bearings (e.g., 6008LLBC3/L627) for electric motor and pump shaft support
Agricultural equipment — NTN tapered roller bearing cones (e.g., LM29748L) for gearbox and PTO shaft assemblies

NTN Products

3G Electric supplies NTN tapered roller bearing cups. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
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