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NTN 4T-LM503349 Tapered Roller Bearing Cone - Tapered Roller Bearing Cones
NTNTapered Roller Bearing Cones

NTN 4T-LM503349 Tapered Roller Bearing Cone

The NTN Tapered Roller Bearing Cone, model LM503349 (SKU 3G-OTH-116748), is an inch-system tapered roller bearing cone with a 1 51/64 in bore, 2.8 in OD, and 0.708 in cone width. It features a chrome steel cage and…

SKU 3G-OTH-116748

Also listed as: 4TLM503349 · 4T LM503349

Brand
NTN
Item
4T-LM503349 Tapered Roller Bearing Cone
Category
Tapered Roller Bearing Cones
Available to Order
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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
4T-LM503349
Type
4T-LM503349
Bore
1 51/64 in
OD
2.8 in
Cone Wd
0.708 in
Bore Type
Tapered
Cage Material
Chrome Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
LM503349
Compatible Cup Manufacturer Part Number
LM503310

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Cone, model LM503349 (SKU 3G-OTH-116748), is an inch-system tapered roller bearing cone with a 1 51/64 in bore, 2.8 in OD, and 0.708 in cone width. It features a chrome steel cage and carbon steel ring, and is compatible with cup part number LM503310. This component is designed for use with its matching cup to form a complete tapered roller bearing assembly.

Frequently Asked Questions

What is the NTN LM503349 tapered roller bearing cone used for?

The NTN LM503349 cone is used in industrial machinery requiring tapered roller bearings to handle combined radial and axial loads. It is commonly applied in gearboxes, conveyors, and automotive drivetrains. This inch-system cone must be paired with its matching cup (LM503310) to form a complete bearing assembly.

What are the specifications of the NTN LM503349 bearing cone?

The NTN LM503349 cone has a 1 51/64 in tapered bore, 2.8 in OD, and 0.708 in cone width. It features a chrome steel cage and carbon steel ring. This inch-system component is compatible with cup LM503310 and is manufactured under part number 4T-LM503349.

Where to buy the NTN LM503349 bearing cone worldwide?

3G Electric supplies the NTN LM503349 bearing cone to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this inch-system tapered roller bearing cone.

How to install the NTN LM503349 tapered roller bearing cone?

Install the NTN LM503349 cone by pressing it onto a clean, dry shaft with a tapered seat. Use an interference fit per manufacturer guidelines. Always pair it with the matching cup LM503310. Apply lubricant to the cone and cage before assembly, and verify axial clearance after mounting.

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 cones. 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
This NTN tapered roller bearing cone is designed for use in industrial machinery and automotive applications, supporting radial and axial loads. It features a carbon steel ring, chrome steel cage, and tapered bore. Compatible with cup LM503310
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This NTN tapered roller bearing cone is designed for use in industrial machinery and automotive applications, supporting radial and axial loads. It features a carbon steel ring, chrome steel cage, and tapered bore. Compatible with cup LM503310
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This NTN tapered roller bearing cone is an inch-system component with a 1-1/2 in tapered bore, 2.44 in outer diameter, and 0.72 in cone width. It features a carbon steel ring and a chrome steel cage. Compatible with cup LM29710 (manufacturer part number 4T-LM29748L). Commonly used in applications requiring combined radial and axial load support, such as wheel hubs, gearboxes, and conveyor systems
Inch-system tapered roller bearing cone with a 1-1/2 in tapered bore, 2.44 in outside diameter, and 0.72 in cone width. Features a carbon steel ring and chrome steel cage. Compatible with cup LM29710. Used in applications requiring combined radial and axial load support, such as gearboxes, conveyor systems, and wheel hubs
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Inch-system tapered roller bearing cone with a 1-1/2 in tapered bore, 2.44 in outside diameter, and 0.72 in cone width. Features a carbon steel ring and chrome steel cage. Compatible with cup LM29710. Used in applications requiring combined radial and axial load support, such as gearboxes, conveyor systems, and wheel hubs
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Inch-system tapered roller bearing cone with 27/32 in tapered bore, 1.56 in outer diameter, and 0.655 in cone width. Features carbon steel ring and chrome steel cage. Compatible with cup LM12710. Used in applications requiring support for combined radial and axial loads, such as gearboxes, conveyor systems, and wheel hubs

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The NTN 25877 is an inch-system tapered roller bearing cone with a 1 3/8 in bore, 2.677 in OD, and 0.968 in cone width. It features an alloy steel ring and a pressed steel cage. This cone is compatible with cup part number 25820 and is used in applications requiring combined radial and axial load support, such as gearboxes and conveyor systems
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