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NTN Tapered Roller Bearing Cup 4T-12303 - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN Tapered Roller Bearing Cup 4T-12303

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-110690) is an inch-system cup with a 3 1/64 in outer diameter, 0.468 in cup width, and 0.468 in overall width. Made from alloy steel, this NTN component has manufacturer…

SKU 3G-OTH-110690

Also listed as: 4T12303 · 4T 12303

Brand
NTN
Item
Tapered Roller Bearing Cup 4T-12303
Category
Tapered Roller Bearing Cups
Available to Order
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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-12303
Type
4T-12303
Cup Wd
0.468 in
Overall Wd
0.468 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
12175

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-110690) is an inch-system cup with a 3 1/64 in outer diameter, 0.468 in cup width, and 0.468 in overall width. Made from alloy steel, this NTN component has manufacturer part number 4T-12303 and is compatible with cone manufacturer part number 12175.

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 Tapered Roller Bearing Cup 4T-12303 used for?

The NTN Tapered Roller Bearing Cup 4T-12303 is used in industrial machinery and automotive applications to support radial and axial loads. It pairs with cone part number 12175 to form a complete tapered roller bearing assembly, commonly found in gearboxes, conveyors, and wheel hubs.

What are the specifications of the NTN Tapered Roller Bearing Cup 4T-12303?

The NTN Tapered Roller Bearing Cup 4T-12303 has a 3 1/64 in outer diameter, 0.468 in cup width, and 0.468 in overall width. It is made of alloy steel, uses the inch system, and is compatible with cone manufacturer part number 12175.

Where to buy the NTN Tapered Roller Bearing Cup 4T-12303 worldwide?

You can source the NTN Tapered Roller Bearing Cup 4T-12303 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the bearing cup reaches your facility reliably.

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, such as 12175 for the 4T-12303. Verify the system of measurement (inch) and ring material (alloy steel) meet load 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
Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 1 15/16 in, cup width 0.625 in, overall width 0.625 in. Compatible with cone part number 12580. Used in bearing assemblies to support radial and axial loads in industrial equipment such as gearboxes and conveyors
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Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 1 15/16 in, cup width 0.625 in, overall width 0.625 in. Compatible with cone part number 12580. Used in bearing assemblies to support radial and axial loads in industrial equipment such as gearboxes and conveyors
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Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 2 1/2 in, cup width 0.375 in, overall width 0.375 in. Compatible with cone part number 13889. Used in bearing assemblies for supporting radial and axial loads in industrial equipment
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Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 2 1/2 in, cup width 0.375 in, overall width 0.375 in. Compatible with cone part number 13889. Used in bearing assemblies for supporting radial and axial loads in industrial equipment
Inch-system tapered roller bearing cup made from alloy steel. Outside diameter 3 1/8 in, cup width 0.625 in, overall width 0.625 in. Designed for use with compatible cone part number 17887. Supports radial and axial loads in rotating machinery such as gearboxes and drivetrains
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Inch-system tapered roller bearing cup made from alloy steel. Outside diameter 3 1/8 in, cup width 0.625 in, overall width 0.625 in. Designed for use with compatible cone part number 17887. Supports radial and axial loads in rotating machinery such as gearboxes and drivetrains
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NTN 48320D is an inch-system tapered roller bearing cup made of alloy steel. It has an outer diameter of 7 1/2 in, a cup width of 2.875 in, and an overall width of 2.875 in. This cup is designed to pair with cone 48384A to form a complete bearing set for supporting radial and axial loads in rotating shaft applications such as gearboxes and conveyors

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Tapered roller bearing cup made from alloy steel. Has an outer diameter of 13-5/8 in, cup width of 2 in, and overall width of 2.5 in. Inch-system component designed to pair with cone M348449. Used in heavy-duty applications requiring high radial and axial load capacity
Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 2 5/16 in, cup width 0.47 in. Designed for use with cone L68149. Supports radial and axial loads in machinery such as gearboxes and conveyors
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The NTN 4T-66520 is an inch-system tapered roller bearing cup made of alloy steel. It has an outer diameter of 4 13/16 in, a cup width of 0.937 in, and an overall width of 0.937 in. This cup is designed to pair with cone part number 66585. Tapered roller bearing cups are used as the outer race in bearing assemblies to support combined radial and axial loads in rotating equipment
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