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NTN Tapered Roller Bearing Cup: 2 7/8 in OD, 0.5 in Cup Wd, 0.5 in Overall Wd - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN Tapered Roller Bearing Cup: 2 7/8 in OD, 0.5 in Cup Wd, 0.5 in Overall Wd

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-103778) is an inch-system cup with a 2 7/8 in OD, 0.5 in cup width, and 0.5 in overall width. Made from alloy steel, this component is designed for use with compatible…

SKU 3G-OTH-103778

Also listed as: 4T18520 · 4T 18520

Brand
NTN
Item
Tapered Roller Bearing Cup: 2 7/8 in OD, 0.5 in Cup Wd, 0.5 in Overall Wd
Category
Tapered Roller Bearing Cups
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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-18520
Type
4T-18520
Cup Wd
0.5 in
Overall Wd
0.5 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
18590

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-103778) is an inch-system cup with a 2 7/8 in OD, 0.5 in cup width, and 0.5 in overall width. Made from alloy steel, this component is designed for use with compatible cone manufacturer part number 18590 and carries the manufacturer part number 4T-18520.

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-18520 tapered roller bearing cup used for?

The NTN 4T-18520 cup is used as the outer ring in tapered roller bearing assemblies, supporting radial and axial loads in industrial equipment such as gearboxes, conveyors, and automotive drivetrains. It pairs with cone 18590 to form a complete bearing set.

What are the specifications of the NTN 4T-18520 tapered roller bearing cup?

The NTN 4T-18520 cup has a 2 7/8 in outside diameter, 0.5 in cup width, and 0.5 in overall width. It is made from alloy steel, uses inch-system measurement, and is compatible with cone part number 18590. The manufacturer part number is 4T-18520.

Where to buy the NTN 4T-18520 tapered roller bearing cup worldwide?

3G Electric supplies the NTN 4T-18520 tapered roller bearing cup worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

To select the correct NTN cup, match the outside diameter, width, and system of measurement to your bearing assembly. The 4T-18520 cup requires cone 18590. Verify shaft and housing fits, load ratings, and operating conditions. NTN alloy steel construction ensures durability in demanding environments.

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
NTN Tapered Roller Bearing Cup: 3 1/8 in OD, 0.625 in Cup Wd, 0.625 in Overall Wd, 4T-17830
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NTN Tapered Roller Bearing Cup: 3 1/8 in OD, 0.625 in Cup Wd, 0.625 in Overall Wd, 4T-17830
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Inch-system tapered roller bearing cup made from alloy steel. Outside diameter 1 11/16 in, cup width 0.531 in, overall width 0.531 in. Compatible with cone 17580 for use in industrial machinery and automotive applications supporting radial and axial loads
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Inch-system tapered roller bearing cup made from alloy steel. Outside diameter 1 11/16 in, cup width 0.531 in, overall width 0.531 in. Compatible with cone 17580 for use in industrial machinery and automotive applications supporting radial and axial loads
NTN tapered roller bearing cup made from alloy steel, with an outside diameter of 2 3/8 inches, cup width of 0.625 inches, and overall width of 0.625 inches. Compatible with cone part number 15590. Used as the outer race in tapered roller bearing assemblies for supporting radial and axial loads in industrial equipment such as gearboxes, conveyors, and automotive drivetrains
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NTN tapered roller bearing cup made from alloy steel, with an outside diameter of 2 3/8 inches, cup width of 0.625 inches, and overall width of 0.625 inches. Compatible with cone part number 15590. Used as the outer race in tapered roller bearing assemblies for supporting radial and axial loads in industrial equipment such as gearboxes, conveyors, and automotive drivetrains
NTN Tapered Roller Bearing Cup: 2 1/4 in OD, 0.531 in Cup Wd, 0.531 in Overall Wd, 4T-15520
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NTN Tapered Roller Bearing Cup: 2 1/4 in OD, 0.531 in Cup Wd, 0.531 in Overall Wd, 4T-15520
Inch-system tapered roller bearing cup made from alloy steel. Outer diameter 2 11/16 in, cup width 0.687 in, overall width 0.687 in. Compatible with cone part number 02476. Used in industrial machinery such as gearboxes, conveyors, and automotive drivetrains to support radial and axial loads
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Inch-system tapered roller bearing cup made from alloy steel. Outer diameter 2 11/16 in, cup width 0.687 in, overall width 0.687 in. Compatible with cone part number 02476. Used in industrial machinery such as gearboxes, conveyors, and automotive drivetrains to support radial and axial loads

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