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NTN 4T-27820 Tapered Roller Bearing Cup, Inch, Alloy Steel - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN 4T-27820 Tapered Roller Bearing Cup, Inch, Alloy Steel

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-107044) is an inch-system cup with a 3 9/64 in outer diameter, 0.728 in cup width, and 0.728 in overall width. Made from alloy steel, this cup is compatible with cone…

SKU 3G-OTH-107044

Also listed as: 4T27820 · 4T 27820

Brand
NTN
Item
4T-27820 Tapered Roller Bearing Cup, Inch, Alloy Steel
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-27820
Type
4T-27820
Cup Wd
0.728 in
Overall Wd
0.728 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
27881

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-107044) is an inch-system cup with a 3 9/64 in outer diameter, 0.728 in cup width, and 0.728 in overall width. Made from alloy steel, this cup is compatible with cone manufacturer part number 27881 and carries the manufacturer part number 4T-27820.

Frequently Asked Questions

What is the NTN 4T-27820 tapered roller bearing cup used for?

The NTN 4T-27820 tapered roller bearing cup is used in industrial machinery and automotive applications to support radial and axial loads. It pairs with cone 27881 to form a complete bearing assembly, commonly found in gearboxes, conveyors, and wheel hubs.

What are the specifications of the NTN 4T-27820 bearing cup?

The NTN 4T-27820 is an inch-system tapered roller bearing cup with a 3 9/64 in outer diameter, 0.728 in cup width, and 0.728 in overall width. It is made from alloy steel and is compatible with cone manufacturer part number 27881.

Where to buy the NTN 4T-27820 bearing cup worldwide?

You can source the NTN 4T-27820 tapered roller bearing cup from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive genuine NTN components for your operations.

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

To select the correct NTN tapered roller bearing cup, match the cup part number (e.g., 4T-27820) with its compatible cone (27881). Verify the inch-system dimensions—outer diameter, cup width, and overall width—against your housing and shaft requirements. Consult NTN's catalog for load ratings and speed limits.

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
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 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
NTN 4T-26824 tapered roller bearing cup, made of alloy steel. Outer diameter 3 9/64 in, cup width 0.75 in, overall width 0.75 in. Inch system. Designed for use with compatible cone 26883 in bearing assemblies for radial and axial load support
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NTN 4T-26824 tapered roller bearing cup, made of alloy steel. Outer diameter 3 9/64 in, cup width 0.75 in, overall width 0.75 in. Inch system. Designed for use with compatible cone 26883 in bearing assemblies for radial and axial load support
NTN 4T-2729X tapered roller bearing cup, inch system, with 3 in outside diameter, 0.75 in cup width, and 0.75 in overall width. Made of alloy steel. Compatible with cone part number 2788. Used in bearing assemblies for radial and axial load support in industrial equipment such as gearboxes and conveyors
NTN
NTN 4T-2729X tapered roller bearing cup, inch system, with 3 in outside diameter, 0.75 in cup width, and 0.75 in overall width. Made of alloy steel. Compatible with cone part number 2788. Used in bearing assemblies for radial and axial load support in industrial equipment such as gearboxes and conveyors
NTN 4T-2735X tapered roller bearing cup made of alloy steel. Inch-system cup with 2-7/8 in outer diameter, 0.75 in cup width, and 0.75 in overall width. Designed for use with compatible cone part number 2788. Commonly used in industrial machinery and automotive drivetrains to support radial and axial loads
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NTN 4T-2735X tapered roller bearing cup made of alloy steel. Inch-system cup with 2-7/8 in outer diameter, 0.75 in cup width, and 0.75 in overall width. Designed for use with compatible cone part number 2788. Commonly used in industrial machinery and automotive drivetrains to support radial and axial loads
Inch-system tapered roller bearing cup made of alloy steel. Cup width and overall width are 0.812 in. Designed to pair with cone part number 26878 for use in bearing assemblies supporting radial and axial loads in industrial equipment such as gearboxes and conveyor systems
NTN
Inch-system tapered roller bearing cup made of alloy steel. Cup width and overall width are 0.812 in. Designed to pair with cone part number 26878 for use in bearing assemblies supporting radial and axial loads in industrial equipment such as gearboxes and conveyor systems

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Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 3 3/8 in, cup width 0.937 in. Designed to pair with cone part number 3872 for supporting radial and axial loads in rotating shaft assemblies
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Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 3 3/8 in, cup width 0.937 in. Designed to pair with cone part number 3872 for supporting radial and axial loads in rotating shaft assemblies
Tapered roller bearing cup, the outer ring component of a tapered roller bearing assembly. Made of alloy steel with inch-system dimensions. Outside diameter 3 in, cup width 0.937 in, overall width 0.937 in. Designed for use with compatible cone part number 31593. Supports radial and axial loads in rotating machinery
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Tapered roller bearing cup, the outer ring component of a tapered roller bearing assembly. Made of alloy steel with inch-system dimensions. Outside diameter 3 in, cup width 0.937 in, overall width 0.937 in. Designed for use with compatible cone part number 31593. Supports radial and axial loads in rotating machinery
This NTN tapered roller bearing cup is made of alloy steel and has an outer diameter of 7 1/8 inches, a cup width of 0.812 inches, and an overall width of 1 inch. It is designed for use in inch-system tapered roller bearing assemblies, commonly applied in industrial equipment such as gearboxes, conveyors, and pumps. This cup is compatible with cone part number L225849
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This NTN tapered roller bearing cup is made of alloy steel and has an outer diameter of 7 1/8 inches, a cup width of 0.812 inches, and an overall width of 1 inch. It is designed for use in inch-system tapered roller bearing assemblies, commonly applied in industrial equipment such as gearboxes, conveyors, and pumps. This cup is compatible with cone part number L225849
NTN 382 is an inch-system tapered roller bearing cup made from alloy steel. It has an outside diameter of 3 7/8 inches and a cup width of 0.701 inches. This cup is designed for use with compatible cone part number 385X to support radial and axial loads in industrial machinery such as gearboxes, conveyors, and pumps
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NTN 382 is an inch-system tapered roller bearing cup made from alloy steel. It has an outside diameter of 3 7/8 inches and a cup width of 0.701 inches. This cup is designed for use with compatible cone part number 385X to support radial and axial loads in industrial machinery such as gearboxes, conveyors, and pumps
Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 3 35/64 in, cup width 0.858 in, overall width 0.858 in. Compatible with cone part number 355X. Used as the outer race in tapered roller bearing assemblies for supporting radial and axial loads in industrial machinery such as gearboxes, conveyors, and pumps
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Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 3 35/64 in, cup width 0.858 in, overall width 0.858 in. Compatible with cone part number 355X. Used as the outer race in tapered roller bearing assemblies for supporting radial and axial loads in industrial machinery such as gearboxes, conveyors, and pumps
Tapered roller bearing cup for use with cone HM804843 in inch-system bearing assemblies. Made of alloy steel with 3 3/4 in outside diameter, 0.906 in cup width, and 0.906 in overall width. Supports radial and axial loads in rotating shaft applications such as gearboxes, conveyors, and pumps
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Tapered roller bearing cup for use with cone HM804843 in inch-system bearing assemblies. Made of alloy steel with 3 3/4 in outside diameter, 0.906 in cup width, and 0.906 in overall width. Supports radial and axial loads in rotating shaft applications such as gearboxes, conveyors, and pumps
NTN tapered roller bearing cup made of alloy steel, with an outer diameter of 10 15/64 inches, cup width of 1.437 inches, and overall width of 1.437 inches. Compatible with cone part number JM738249. Used in tapered roller bearing assemblies to support radial and axial loads in industrial equipment such as gearboxes, conveyors, and heavy machinery
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NTN tapered roller bearing cup made of alloy steel, with an outer diameter of 10 15/64 inches, cup width of 1.437 inches, and overall width of 1.437 inches. Compatible with cone part number JM738249. Used in tapered roller bearing assemblies to support radial and axial loads in industrial equipment such as gearboxes, conveyors, and heavy machinery
Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 11 3/8 in, cup width 1.875 in, overall width 1.141 in. Compatible with cone HM237523. Used in bearing assemblies to support radial and axial loads in heavy-duty rotating equipment
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Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 11 3/8 in, cup width 1.875 in, overall width 1.141 in. Compatible with cone HM237523. Used in bearing assemblies to support radial and axial loads in heavy-duty rotating equipment