Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

NTN LM545810 Tapered Roller Bearing Cup, 12 3/8 in OD, 1.437 in Cup Width - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN LM545810 Tapered Roller Bearing Cup, 12 3/8 in OD, 1.437 in Cup Width

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-108732) is an inch-system cup with a 12 3/8 in outside diameter, a 1.437 in cup width, and a 1.937 in overall width. Manufactured from alloy steel, this cup carries the…

SKU 3G-OTH-108732

Also listed as: LM 545810 · LM-545810

Brand
NTN
Item
LM545810 Tapered Roller Bearing Cup, 12 3/8 in OD, 1.437 in Cup Width
Category
Tapered Roller Bearing Cups
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

NTN
Manufacturer Part Number
LM545810
Type
LM545810
Cup Wd
1.437 in
Overall Wd
1.937 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
LM545845

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-108732) is an inch-system cup with a 12 3/8 in outside diameter, a 1.437 in cup width, and a 1.937 in overall width. Manufactured from alloy steel, this cup carries the manufacturer part number LM545810 and is designed for use with the compatible cone part number LM545845.

Frequently Asked Questions

What is the NTN LM545810 tapered roller bearing cup used for?

The NTN LM545810 cup is used in heavy-duty industrial applications such as mining, construction, and agriculture. It supports radial and axial loads in tapered roller bearing assemblies, commonly paired with the LM545845 cone for shaft and housing support.

What are the specifications of the NTN LM545810 bearing cup?

The NTN LM545810 cup has a 12 3/8 in outside diameter, a 1.437 in cup width, and a 1.937 in overall width. It is made of alloy steel, uses inch-system measurement, and is compatible with cone part number LM545845.

Where to buy the NTN LM545810 bearing cup worldwide?

You can source the NTN LM545810 bearing cup through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

How to select the correct NTN tapered roller bearing cup?

To select the correct NTN cup, match the outside diameter, cup width, and overall width to your housing dimensions. Ensure the cup is compatible with the cone part number, such as LM545845 for the LM545810 cup. Verify the system of measurement (inch) and ring material (alloy steel) for your load requirements.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Alloy steel cup for tapered roller bearing assemblies. Cup width 1.75 in, overall width 2.25 in. Compatible with cone part number LM451345. Used in applications requiring high radial and axial load capacity
NTN
Alloy steel cup for tapered roller bearing assemblies. Cup width 1.75 in, overall width 2.25 in. Compatible with cone part number LM451345. Used in applications requiring high radial and axial load capacity
Inch-system tapered roller bearing cup made of alloy steel. Cup width 2.5 in, overall width 3.25 in. Designed for use with compatible cone LM665949A in applications requiring high radial and axial load capacity
NTN
Inch-system tapered roller bearing cup made of alloy steel. Cup width 2.5 in, overall width 3.25 in. Designed for use with compatible cone LM665949A in applications requiring high radial and axial load capacity
NTN LM739710 tapered roller bearing cup, inch system, with 10 1/8 in outside diameter, 1.187 in cup width, and 1.562 in overall width. Made of alloy steel. Designed for use with compatible cone LM739749 in bearing assemblies supporting radial and axial loads
NTN
NTN LM739710 tapered roller bearing cup, inch system, with 10 1/8 in outside diameter, 1.187 in cup width, and 1.562 in overall width. Made of alloy steel. Designed for use with compatible cone LM739749 in bearing assemblies supporting radial and axial loads
Alloy steel tapered roller bearing cup for inch-system assemblies. Outer diameter 16 in, cup width 1.875 in, overall width 2.5 in. Compatible with cone LM757049. Used in rotating shaft applications to support radial and axial loads
NTN
Alloy steel tapered roller bearing cup for inch-system assemblies. Outer diameter 16 in, cup width 1.875 in, overall width 2.5 in. Compatible with cone LM757049. Used in rotating shaft applications to support radial and axial loads
NTN LM844010 tapered roller bearing cup, inch-system, made of alloy steel. Cup width 1.375 in, overall width 1.812 in. Pairs with cone LM844049 for use in applications requiring high radial and axial load capacity, such as gearboxes and conveyors
NTN
NTN LM844010 tapered roller bearing cup, inch-system, made of alloy steel. Cup width 1.375 in, overall width 1.812 in. Pairs with cone LM844049 for use in applications requiring high radial and axial load capacity, such as gearboxes and conveyors
The NTN LM613410 is an inch-system tapered roller bearing cup made of alloy steel. It has an outer diameter of 4 7/16 in, a cup width of 0.625 in, and an overall width of 0.875 in. This cup is designed to pair with the LM613449 cone to form a complete bearing set. Tapered roller bearing cups are used in assemblies to support combined radial and axial loads in applications such as gearboxes, conveyors, and automotive drivetrains
NTN
The NTN LM613410 is an inch-system tapered roller bearing cup made of alloy steel. It has an outer diameter of 4 7/16 in, a cup width of 0.625 in, and an overall width of 0.875 in. This cup is designed to pair with the LM613449 cone to form a complete bearing set. Tapered roller bearing cups are used in assemblies to support combined radial and axial loads in applications such as gearboxes, conveyors, and automotive drivetrains

More from NTN

View all NTN parts
NTN L44610 tapered roller bearing cup made of alloy steel. Outer diameter 1 31/32 in, cup width 0.42 in. Designed for use with cone L44643 in inch-system bearing assemblies. Commonly applied in gearboxes, conveyors, and pumps to support radial and axial loads on rotating shafts
NTN
NTN L44610 tapered roller bearing cup made of alloy steel. Outer diameter 1 31/32 in, cup width 0.42 in. Designed for use with cone L44643 in inch-system bearing assemblies. Commonly applied in gearboxes, conveyors, and pumps to support radial and axial loads on rotating shafts
Tapered roller bearing cup (outer ring) made from alloy steel. Inch-system design with 2 53/64 in outside diameter and 0.56 in cup width. Pairs with cone part number 16143 to form a complete bearing assembly for supporting radial and axial loads in rotating machinery
NTN
Tapered roller bearing cup (outer ring) made from alloy steel. Inch-system design with 2 53/64 in outside diameter and 0.56 in cup width. Pairs with cone part number 16143 to form a complete bearing assembly for supporting radial and axial loads in rotating machinery
NTN 4T-363 tapered roller bearing cup, inch system, made of alloy steel. Cup width 0.787 in, overall width 0.787 in. Compatible with cone 369S. Used in bearing assemblies to support radial and axial loads in rotating shaft applications
NTN
NTN 4T-363 tapered roller bearing cup, inch system, made of alloy steel. Cup width 0.787 in, overall width 0.787 in. Compatible with cone 369S. Used in bearing assemblies to support radial and axial loads in rotating shaft applications
NTN 82950 tapered roller bearing cup made of alloy steel. Inch-system component with 9 1/2 in outer diameter, 1.75 in cup width, and 1.75 in overall width. Designed to pair with cone part number 82562 for use in industrial machinery supporting radial and axial loads
NTN
NTN 82950 tapered roller bearing cup made of alloy steel. Inch-system component with 9 1/2 in outer diameter, 1.75 in cup width, and 1.75 in overall width. Designed to pair with cone part number 82562 for use in industrial machinery supporting radial and axial loads
Tapered roller bearing cup made of alloy steel. Cup width 1.456 in, overall width 1.926 in. Inch system. Compatible with cone part number JM736149. Used in bearing assemblies for applications requiring combined radial and axial load support
NTN
Tapered roller bearing cup made of alloy steel. Cup width 1.456 in, overall width 1.926 in. Inch system. Compatible with cone part number JM736149. Used in bearing assemblies for applications requiring combined radial and axial load support
This NTN tapered roller bearing cup is an inch-system component made from alloy steel. It has an outside diameter of 2 27/32 inches, a cup width of 0.625 inches, and an overall width of 0.625 inches. Designed for use with compatible cone part number 16150, it is suitable for applications requiring support of radial and axial loads, such as in gearboxes, conveyors, and heavy machinery
NTN
This NTN tapered roller bearing cup is an inch-system component made from alloy steel. It has an outside diameter of 2 27/32 inches, a cup width of 0.625 inches, and an overall width of 0.625 inches. Designed for use with compatible cone part number 16150, it is suitable for applications requiring support of radial and axial loads, such as in gearboxes, conveyors, and heavy machinery
NTN 4T-24721 inch-system tapered roller bearing cup made of alloy steel. Cup width 0.812 in, overall width 0.812 in. Used in bearing assemblies to support radial and axial loads in rotating shaft applications such as gearboxes, conveyors, and pumps. Compatible with cone part number 24780
NTN
NTN 4T-24721 inch-system tapered roller bearing cup made of alloy steel. Cup width 0.812 in, overall width 0.812 in. Used in bearing assemblies to support radial and axial loads in rotating shaft applications such as gearboxes, conveyors, and pumps. Compatible with cone part number 24780
Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 5-1/2 in, cup width 1.437 in, overall width 1.437 in. Compatible with cone H715332. Used in bearing assemblies for rotating shafts in industrial equipment such as gearboxes, conveyors, and pumps
NTN
Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 5-1/2 in, cup width 1.437 in, overall width 1.437 in. Compatible with cone H715332. Used in bearing assemblies for rotating shafts in industrial equipment such as gearboxes, conveyors, and pumps