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NTN 4T-28919 Tapered Roller Bearing Cup - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN 4T-28919 Tapered Roller Bearing Cup

This NTN Tapered Roller Bearing Cup, model 4T-28919, is an inch-system component with a 3 59/64 in outer diameter and a 0.75 in cup width. Made from alloy steel, it is designed for use with compatible cone part…

SKU 3G-OTH-102241

Also listed as: 4T28919 · 4T 28919

Brand
NTN
Item
4T-28919 Tapered Roller Bearing Cup
Category
Tapered Roller Bearing Cups
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-28919
Type
4T-28919
Cup Wd
0.75 in
Overall Wd
0.75 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
28990

Technical Documents

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

Product Description

This NTN Tapered Roller Bearing Cup, model 4T-28919, is an inch-system component with a 3 59/64 in outer diameter and a 0.75 in cup width. Made from alloy steel, it is designed for use with compatible cone part number 28990.

Frequently Asked Questions

What is the NTN 4T-28919 tapered roller bearing cup used for?

The NTN 4T-28919 tapered roller bearing cup is used in industrial machinery and automotive drivetrains to support radial and axial loads. It pairs with cone 28990 to form a complete bearing assembly, commonly found in gearboxes, conveyors, and heavy equipment.

What are the specifications of the NTN 4T-28919 bearing cup?

The NTN 4T-28919 is an inch-system tapered roller bearing cup with a 3 59/64 in outer diameter, 0.75 in cup width, and 0.75 in overall width. It is made from alloy steel and is compatible with cone part number 28990.

Where to buy the NTN 4T-28919 bearing cup worldwide?

You can source the NTN 4T-28919 bearing cup from 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 cone for the NTN 4T-28919 bearing cup?

To select the correct cone, use the compatible cone manufacturer part number 28990, as specified by NTN. Ensure the cone matches the cup's inch-system dimensions and alloy steel material for proper load distribution and bearing life.

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
Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 4 in, cup width 0.781 in, overall width 0.781 in. Pairs with cone part number 28985. Used in industrial machinery to support radial and axial loads
NTN
Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 4 in, cup width 0.781 in, overall width 0.781 in. Pairs with cone part number 28985. Used in industrial machinery to support radial and axial loads
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-28520 tapered roller bearing cup made of alloy steel. Cup width and overall width are 0.786 inches. Compatible with cone part number 28580. Used in bearing assemblies to support radial and axial loads in rotating shaft applications
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NTN 4T-28520 tapered roller bearing cup made of alloy steel. Cup width and overall width are 0.786 inches. Compatible with cone part number 28580. Used in bearing assemblies to support radial and axial loads in rotating shaft applications
Inch-system tapered roller bearing cup made of alloy steel. Outside diameter 3 9/64 in, cup width 0.625 in, overall width 0.625 in. Used as outer race in tapered roller bearing assemblies to support radial and axial loads in industrial equipment such as gearboxes and conveyors. Compatible with cone part number 28137
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Inch-system tapered roller bearing cup made of alloy steel. Outside diameter 3 9/64 in, cup width 0.625 in, overall width 0.625 in. Used as outer race in tapered roller bearing assemblies to support radial and axial loads in industrial equipment such as gearboxes and conveyors. Compatible with cone part number 28137
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
NTN
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
NTN 4T-2924 tapered roller bearing cup made from alloy steel. Inch-system cup with 3 11/32 in outer diameter, 0.812 in cup width, and 0.812 in overall width. Designed to pair with cone 2984 for use in machinery supporting radial and axial loads
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NTN 4T-2924 tapered roller bearing cup made from alloy steel. Inch-system cup with 3 11/32 in outer diameter, 0.812 in cup width, and 0.812 in overall width. Designed to pair with cone 2984 for use in machinery supporting 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
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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