NTNTapered Roller Bearing Cups

NTN Tapered Roller Bearing Cup: 2 15/16 in Bore, 3 1/4 in OD, 0.65 in Cup Wd

The NTN Tapered Roller Bearing Cup (SKU 55PY93, MPN LM104911) is an inch-system cup with a 2 15/16 in bore, 3 1/4 in OD, and 0.65 in cup width. It is made of alloy steel and is compatible with cone MPN LM104949.

SKU 3G-OTH-110507

Brand

NTN

Item

Tapered Roller Bearing Cup: 2 15/16 in Bore, 3 1/4 in OD, 0.65 in Cup Wd

Technical Specifications

NTN

Manufacturer Part Number

LM104911 

3 1/4 in 

Cup Wd

0.65 in 

Overall Wd

0.65 in 

Ring Material

Alloy Steel 

System of Measurement

Inch 

Compatible Cone Manufacturer Part Number

LM104949 

View Full Spec Sheet

Technical Documents

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NTN Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the NTN LM104911 tapered roller bearing cup used for?

The NTN LM104911 cup is used in inch-system tapered roller bearing assemblies to support radial and axial loads in industrial equipment such as gearboxes, conveyors, and agricultural machinery. It pairs with cone LM104949 to form a complete bearing set.

What are the specifications of the NTN LM104911 bearing cup?

The NTN LM104911 cup has a 2 15/16 in bore, 3 1/4 in OD, and 0.65 in cup width. It is made of alloy steel, uses inch-system measurement, and is compatible with cone part number LM104949. The manufacturer part number is LM104911.

Where to buy the NTN LM104911 bearing cup worldwide?

3G Electric supplies the NTN LM104911 bearing cup worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct NTN tapered roller bearing cup?

To select the correct NTN cup, match the bore, OD, and width to your application's inch-system dimensions. Ensure compatibility with the cone part number LM104949. Verify the alloy steel material suits your load and speed requirements. Consult NTN's catalog for fitment details.

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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