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NTN 4T-L21511 Tapered Roller Bearing Cup, 1 3/8 in OD, 0.343 in Width - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN 4T-L21511 Tapered Roller Bearing Cup, 1 3/8 in OD, 0.343 in Width

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-107246) is an inch-system cup with a 1 3/8 in OD, 0.343 in cup width, and 0.343 in overall width. Made from alloy steel, this NTN-manufactured component (part number…

SKU 3G-OTH-107246

Also listed as: 4TL21511 · 4T L21511

Brand
NTN
Item
4T-L21511 Tapered Roller Bearing Cup, 1 3/8 in OD, 0.343 in Width
Category
Tapered Roller Bearing Cups
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

NTN
Manufacturer Part Number
4T-L21511
Type
4T-L21511
Cup Wd
0.343 in
Overall Wd
0.343 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
L21549

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-107246) is an inch-system cup with a 1 3/8 in OD, 0.343 in cup width, and 0.343 in overall width. Made from alloy steel, this NTN-manufactured component (part number 4T-L21511) is designed for use with the compatible cone part number L21549.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the NTN 4T-L21511 tapered roller bearing cup used for?

The NTN 4T-L21511 cup is used in tapered roller bearing assemblies to support radial and axial loads in industrial machinery, such as gearboxes, conveyors, and pumps. It pairs with cone L21549 to form a complete bearing set for rotating shafts.

What are the specifications of the NTN 4T-L21511 bearing cup?

The NTN 4T-L21511 cup has a 1 3/8 in outside diameter, 0.343 in cup width, and 0.343 in overall width. It is made of alloy steel, uses inch-system measurement, and is compatible with cone part number L21549.

Where to buy the NTN 4T-L21511 bearing cup worldwide?

3G Electric supplies the NTN 4T-L21511 bearing cup worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your location. Contact us to order this genuine NTN component for your application.

How to select the correct NTN tapered roller bearing cup?

To select the correct NTN cup, match the part number (4T-L21511) and verify the outside diameter (1 3/8 in), width (0.343 in), and compatible cone (L21549). Ensure the system of measurement (inch) and ring material (alloy steel) meet your load and speed 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.

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Cross-referenced by specification & description
NTN 4T-L217810 tapered roller bearing cup, inch system, with 4 7/8 in outside diameter, 0.656 in cup width, and 0.656 in overall width. Made from alloy steel. Designed as the outer race in tapered roller bearing assemblies, supporting radial and axial loads. Pairs with cone L217849
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NTN 4T-L217810 tapered roller bearing cup, inch system, with 4 7/8 in outside diameter, 0.656 in cup width, and 0.656 in overall width. Made from alloy steel. Designed as the outer race in tapered roller bearing assemblies, supporting radial and axial loads. Pairs with cone L217849
This NTN tapered roller bearing cup serves as the outer race in a bearing assembly, supporting combined radial and axial loads. It is made of alloy steel and has an outer diameter of 5 1/8 in, a cup width of 0.656 in, and an overall width of 0.656 in. Compatible with cone part number L319249. Commonly used in gearboxes, conveyors, and automotive drivetrains
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This NTN tapered roller bearing cup serves as the outer race in a bearing assembly, supporting combined radial and axial loads. It is made of alloy steel and has an outer diameter of 5 1/8 in, a cup width of 0.656 in, and an overall width of 0.656 in. Compatible with cone part number L319249. Commonly used in gearboxes, conveyors, and automotive drivetrains
Inch-system tapered roller bearing cup with 4 5/16 in outer diameter, 0.593 in cup width, and 0.593 in overall width. Made of alloy steel. Designed to pair with compatible cone part number L814749 for use in bearing assemblies supporting radial and axial loads
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Inch-system tapered roller bearing cup with 4 5/16 in outer diameter, 0.593 in cup width, and 0.593 in overall width. Made of alloy steel. Designed to pair with compatible cone part number L814749 for use in bearing assemblies supporting radial and axial loads
The NTN 4T-L713010 is an inch-system tapered roller bearing cup made of alloy steel. It has an outer diameter of 4 inches, a cup width of 0.593 inches, and an overall width of 0.593 inches. This cup is designed to be used with the compatible L713049 cone to form a complete tapered roller bearing assembly, supporting radial and axial loads in various machinery applications
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The NTN 4T-L713010 is an inch-system tapered roller bearing cup made of alloy steel. It has an outer diameter of 4 inches, a cup width of 0.593 inches, and an overall width of 0.593 inches. This cup is designed to be used with the compatible L713049 cone to form a complete tapered roller bearing assembly, supporting radial and axial loads in various machinery applications
NTN 544118 tapered roller bearing cup, inch-system, with 11 13/16 in outer diameter and 0.937 in cup width. Made from alloy steel, this cup is designed for use with compatible cone 544091. Typically used in heavy-duty applications such as gearboxes, conveyor systems, and axle assemblies to support radial and axial loads
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NTN 544118 tapered roller bearing cup, inch-system, with 11 13/16 in outer diameter and 0.937 in cup width. Made from alloy steel, this cup is designed for use with compatible cone 544091. Typically used in heavy-duty applications such as gearboxes, conveyor systems, and axle assemblies to support radial and axial loads
Inch-system tapered roller bearing cup with 1.875 in cup width and overall width. Made from alloy steel. Designed for use with compatible cone LM961548 in tapered roller bearing assemblies
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Inch-system tapered roller bearing cup with 1.875 in cup width and overall width. Made from alloy steel. Designed for use with compatible cone LM961548 in tapered roller bearing assemblies

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The NTN HM252310X is a tapered roller bearing cup made of alloy steel with an outside diameter of 15 inches, a cup width of 2.25 inches, and an overall width of 2.937 inches. Designed for inch-system applications, it pairs with cone part number HM252348. This cup is used in heavy-duty industrial equipment such as gearboxes and conveyor systems to support radial and axial loads
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The NTN HM252310X is a tapered roller bearing cup made of alloy steel with an outside diameter of 15 inches, a cup width of 2.25 inches, and an overall width of 2.937 inches. Designed for inch-system applications, it pairs with cone part number HM252348. This cup is used in heavy-duty industrial equipment such as gearboxes and conveyor systems to support radial and axial loads
The NTN 5535 is an inch-system tapered roller bearing cup made from alloy steel. It has an outside diameter of 4 13/16 in and a cup width of 1.437 in. This cup is designed for use with compatible cone MPN 5578 to support radial and axial loads in industrial applications such as gearboxes, conveyors, and machine tool spindles
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The NTN 5535 is an inch-system tapered roller bearing cup made from alloy steel. It has an outside diameter of 4 13/16 in and a cup width of 1.437 in. This cup is designed for use with compatible cone MPN 5578 to support radial and axial loads in industrial applications such as gearboxes, conveyors, and machine tool spindles
Alloy steel cup for tapered roller bearing assemblies. Outer diameter 4 33/64 in, cup width 0.748 in, overall width 19 mm. Compatible with cone JLM714149. Used in gearboxes, conveyors, and pumps to support radial and axial loads
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Alloy steel cup for tapered roller bearing assemblies. Outer diameter 4 33/64 in, cup width 0.748 in, overall width 19 mm. Compatible with cone JLM714149. Used in gearboxes, conveyors, and pumps to support radial and axial loads
Inch-system tapered roller bearing cup made from alloy steel. Cup width and overall width are 1.062 in. Designed for use with compatible cone part number 48190. Commonly used in gearboxes, conveyors, and heavy equipment to support radial and axial loads on rotating shafts
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Inch-system tapered roller bearing cup made from alloy steel. Cup width and overall width are 1.062 in. Designed for use with compatible cone part number 48190. Commonly used in gearboxes, conveyors, and heavy equipment to support radial and axial loads on rotating shafts
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NTN 4T-1220 tapered roller bearing cup, inch series, with 2-1/4 in outer diameter and 0.687 in cup width. Made of alloy steel, this cup is designed to pair with cone part number 1280 to form a complete bearing assembly. Used in industrial applications such as gearboxes, conveyors, and heavy machinery to support combined radial and axial loads
Inch-system tapered roller bearing cup made of alloy steel. Outside diameter 6 5/8 in, cup width 1.625 in, overall width 1.625 in. Compatible with cone manufacturer part number 835. Used in bearing assemblies for rotating shafts in industrial equipment such as gearboxes, conveyors, and pumps
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Inch-system tapered roller bearing cup made of alloy steel. Outside diameter 6 5/8 in, cup width 1.625 in, overall width 1.625 in. Compatible with cone manufacturer part number 835. Used in bearing assemblies for rotating shafts in industrial equipment such as gearboxes, conveyors, and pumps
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The NTN 4T-414 is an inch-system tapered roller bearing cup made from alloy steel. It has an outer diameter of 3 15/32 in, a cup width of 0.875 in, and an overall width of 0.875 in. This cup is compatible with cone manufacturer part number 420 and is used in bearing assemblies for supporting radial and axial loads in industrial machinery such as gearboxes, conveyors, and pumps