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NTN 4T-44348 Tapered Roller Bearing Cup - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN 4T-44348 Tapered Roller Bearing Cup

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-108379) is an inch-system cup with a 3 15/32 in outer diameter, a 0.687 in cup width, and a 0.687 in overall width. Manufactured from alloy steel, this component is…

SKU 3G-OTH-108379

Also listed as: 4T44348 · 4T 44348

Brand
NTN
Item
4T-44348 Tapered Roller Bearing Cup
Category
Tapered Roller Bearing Cups
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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-44348
Type
4T-44348
Cup Wd
0.687 in
Overall Wd
0.687 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
44131

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-108379) is an inch-system cup with a 3 15/32 in outer diameter, a 0.687 in cup width, and a 0.687 in overall width. Manufactured from alloy steel, this component is designed for use with the compatible cone part number 44131 and carries the manufacturer part number 4T-44348.

Frequently Asked Questions

What is the NTN 4T-44348 tapered roller bearing cup used for?

The NTN 4T-44348 tapered roller bearing cup is used as the outer ring component in tapered roller bearing assemblies. It supports radial and axial loads in industrial equipment such as gearboxes, conveyors, and automotive drivetrains. This inch-system cup pairs with cone 44131 to form a complete bearing set.

What are the specifications of the NTN 4T-44348 tapered roller bearing cup?

The NTN 4T-44348 tapered roller bearing cup has a 3 15/32 in outer diameter, a 0.687 in cup width, and a 0.687 in overall width. It is made of alloy steel, uses inch-system measurement, and is compatible with cone part number 44131. The manufacturer part number is 4T-44348.

Where to buy the NTN 4T-44348 tapered roller bearing cup worldwide?

You can source the NTN 4T-44348 tapered roller bearing cup from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine NTN components for industrial applications.

How to select the correct NTN tapered roller bearing cup for an application?

To select the correct NTN tapered roller bearing cup, match the outer diameter, cup width, and overall width to your housing dimensions. Ensure the cup is compatible with the cone part number (e.g., 44131 for the 4T-44348). Verify the system of measurement (inch) and ring material (alloy steel) meet load and environmental 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Tapered roller bearing cup made of alloy steel for inch-system applications. Outside diameter 3-9/16 in, cup width 1.312 in, overall width 1.312 in. Pairs with cone part number 4395 to support radial and axial loads in machinery and equipment
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Tapered roller bearing cup made of alloy steel for inch-system applications. Outside diameter 3-9/16 in, cup width 1.312 in, overall width 1.312 in. Pairs with cone part number 4395 to support radial and axial loads in machinery and equipment
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NTN 4T-452A tapered roller bearing cup with 4 1/4 in outer diameter, 1.063 in cup width, and 1.063 in overall width. Made from alloy steel, inch system. Pairs with cone part number 468 for use in rotating shaft applications
Tapered roller bearing cup for use in bearing assemblies supporting combined radial and axial loads. Inch-system cup with 3 1/8 in outer diameter, 0.687 in cup width, and 0.687 in overall width. Made from alloy steel. Pairs with cone manufacturer part number 43131
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Tapered roller bearing cup for use in bearing assemblies supporting combined radial and axial loads. Inch-system cup with 3 1/8 in outer diameter, 0.687 in cup width, and 0.687 in overall width. Made from alloy steel. Pairs with cone manufacturer part number 43131
NTN 4T-432 tapered roller bearing cup made of alloy steel. Inch-system cup with 3 3/4 in outside diameter, 0.875 in cup width, and 0.875 in overall width. Compatible with cone part number 443. Used in tapered roller bearing assemblies to support radial and axial loads in machinery and equipment
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NTN 4T-432 tapered roller bearing cup made of alloy steel. Inch-system cup with 3 3/4 in outside diameter, 0.875 in cup width, and 0.875 in overall width. Compatible with cone part number 443. Used in tapered roller bearing assemblies to support radial and axial loads in machinery and equipment
NTN 4T-28622 tapered roller bearing cup, inch system, with 3 53/64 in outer diameter, 0.765 in cup width, and 0.765 in overall width. Made of alloy steel. Designed for use with cone part number 28680 in rotating machinery applications
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NTN 4T-28622 tapered roller bearing cup, inch system, with 3 53/64 in outer diameter, 0.765 in cup width, and 0.765 in overall width. Made of alloy steel. Designed for use with cone part number 28680 in rotating machinery applications
NTN 4T-28919 tapered roller bearing cup, inch system, with 3 59/64 in outer diameter and 0.75 in cup width. Made from alloy steel. Designed for use with compatible cone part number 28990. Commonly used in industrial machinery and automotive drivetrains to support radial and axial loads
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NTN 4T-28919 tapered roller bearing cup, inch system, with 3 59/64 in outer diameter and 0.75 in cup width. Made from alloy steel. Designed for use with compatible cone part number 28990. Commonly used in industrial machinery and automotive drivetrains 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
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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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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
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
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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
Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 4 1/16 in, cup width 0.472 in, overall width 0.472 in. Designed to pair with cone part number L812148. Used as the outer race in tapered roller bearing assemblies to support combined radial and axial loads in rotating machinery
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Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 4 1/16 in, cup width 0.472 in, overall width 0.472 in. Designed to pair with cone part number L812148. Used as the outer race in tapered roller bearing assemblies to support combined radial and axial loads in rotating machinery
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
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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