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NTN Tapered Roller Bearing Cup: 3 1/4 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN Tapered Roller Bearing Cup: 3 1/4 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-113745) is an inch-system cup with a 3 1/4 in outside diameter, 0.75 in cup width, and 0.75 in overall width. Manufactured from alloy steel, this cup is designed to pair…

SKU 3G-OTH-113745

Also listed as: 4T25519 · 4T 25519

Brand
NTN
Item
Tapered Roller Bearing Cup: 3 1/4 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd
Category
Tapered Roller Bearing Cups
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NTN
Manufacturer Part Number
4T-25519
Type
4T-25519
Cup Wd
0.75 in
Overall Wd
0.75 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
25580

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-113745) is an inch-system cup with a 3 1/4 in outside diameter, 0.75 in cup width, and 0.75 in overall width. Manufactured from alloy steel, this cup is designed to pair with the compatible cone part number 25580. The manufacturer part number is 4T-25519.

Frequently Asked Questions

What is an NTN tapered roller bearing cup used for?

An NTN tapered roller bearing cup is the outer race component that supports radial and axial loads in rotating machinery. It pairs with a cone (inner race) to handle combined loads in applications like gearboxes, conveyors, and automotive drivetrains. 3G Electric supplies this NTN cup across 14 industrial departments.

What are the specifications of the NTN 4T-25519 tapered roller bearing cup?

The NTN 4T-25519 cup has a 3 1/4 in outside diameter, 0.75 in cup width, and 0.75 in overall width. It is made of alloy steel, uses inch-system measurement, and is compatible with cone part number 25580. 3G Electric sources this NTN cup for global delivery.

Where to buy NTN tapered roller bearing cups worldwide?

3G Electric supplies NTN tapered roller bearing cups worldwide, handling logistics, customs, and delivery to your site. As a global industrial solutions provider, we source genuine NTN parts like the 4T-25519 cup. Contact us for availability and lead time on this alloy steel cup.

How to select the correct NTN tapered roller bearing cup?

To select the correct NTN cup, match the outside diameter, width, and system of measurement to your application. The 4T-25519 cup requires a compatible cone (25580) and proper housing fit. 3G Electric can help interpret your needs and source the right NTN bearing components.

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 1/4 in OD, 0.875 in Cup Wd, 0.875 in Overall Wd, 4T-25523
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NTN Tapered Roller Bearing Cup: 2 3/4 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd, 4T-2523
NTN Tapered Roller Bearing Cup: 3 1/4 in OD, 0.812 in Cup Wd, 0.812 in Overall Wd, 4T-22720
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NTN Tapered Roller Bearing Cup: 3 1/4 in OD, 0.812 in Cup Wd, 0.812 in Overall Wd, 4T-22720
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NTN Tapered Roller Bearing Cup: 2 39/64 in OD, 0.812 in Cup Wd, 0.812 in Overall Wd, 4T-2520

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