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NTN 4T-25580/25520 Tapered Roller Bearing Assembly - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN 4T-25580/25520 Tapered Roller Bearing Assembly

The NTN Tapered Roller Bearing Assembly, model 25580/25520 (MPN 4T-25580/25520), is an inch-system bearing with a 1 3/4 in bore, 3 1/4 in OD, and 1 in cone width. It features a carbon steel ring and a pressed steel…

SKU 3G-OTH-103084

Also listed as: 4T2558025520 · 4T 25580 25520 · 4T-25580-25520

Brand
NTN
Item
4T-25580/25520 Tapered Roller Bearing Assembly
Category
Tapered Roller Bearing Assemblies
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-25580/25520
Bore
1 3/4 in
OD
3 1/4 in
Cone Wd
1 in
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
25580/25520

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Assembly, model 25580/25520 (MPN 4T-25580/25520), is an inch-system bearing with a 1 3/4 in bore, 3 1/4 in OD, and 1 in cone width. It features a carbon steel ring and a pressed steel cage, designed for industrial applications requiring tapered roller bearing assemblies.

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 25580/25520 tapered roller bearing used for?

The NTN 25580/25520 tapered roller bearing assembly is used in industrial applications that require handling combined radial and axial loads, such as gearboxes, conveyors, and automotive drivetrains. Its inch-system dimensions (1 3/4 in bore, 3 1/4 in OD) make it suitable for equipment designed to imperial specifications.

What are the specifications of the NTN 4T-25580/25520 bearing?

The NTN 4T-25580/25520 is an inch-system tapered roller bearing assembly with a 1 3/4 in bore, 3 1/4 in OD, and 1 in cone width. It features carbon steel rings and a pressed steel cage. The bearing industry number is 25580/25520, and the manufacturer part number is 4T-25580/25520.

Where to buy NTN 25580/25520 bearings worldwide?

You can source the NTN 25580/25520 tapered roller bearing assembly worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this NTN bearing.

How to select the correct NTN tapered roller bearing assembly?

To select the correct NTN tapered roller bearing assembly, verify the system of measurement (inch vs. metric), bore diameter, outer diameter, and width. For the 25580/25520 model, confirm a 1 3/4 in bore and 3 1/4 in OD. Also check ring material (carbon steel) and cage material (pressed steel) for your load and speed 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 assemblies. 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 assembly with 1 25/32 in bore, 3 1/4 in OD, and 1 in cone width. Constructed with carbon steel rings and a pressed steel cage. Suitable for supporting combined radial and axial loads in gearboxes, conveyors, and wheel hubs
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Inch-system tapered roller bearing assembly with 1 25/32 in bore, 3 1/4 in OD, and 1 in cone width. Constructed with carbon steel rings and a pressed steel cage. Suitable for supporting combined radial and axial loads in gearboxes, conveyors, and wheel hubs
Inch-system tapered roller bearing assembly with 1 11/16 in bore, 3 11/32 in OD, and 1 in cone width. Constructed with carbon steel rings and a pressed steel cage. Suitable for supporting combined radial and axial loads in moderate-speed applications such as industrial machinery and automotive drivetrains
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Inch-system tapered roller bearing assembly with 1 11/16 in bore, 3 11/32 in OD, and 1 in cone width. Constructed with carbon steel rings and a pressed steel cage. Suitable for supporting combined radial and axial loads in moderate-speed applications such as industrial machinery and automotive drivetrains
Inch-system tapered roller bearing assembly with 1 3/8 in bore, 2 7/8 in OD, and 0.968 in cone width. Carbon steel ring and pressed steel cage. Used in applications requiring combined radial and axial load support, such as gearboxes and conveyor systems
NTN
Inch-system tapered roller bearing assembly with 1 3/8 in bore, 2 7/8 in OD, and 0.968 in cone width. Carbon steel ring and pressed steel cage. Used in applications requiring combined radial and axial load support, such as gearboxes and conveyor systems
Inch-system tapered roller bearing cone with 1 49/64 in tapered bore, 3.03 in outside diameter, and 1 in cone width. Chrome steel cage and carbon steel ring. Compatible with cup 25520. Used in gearboxes, conveyor systems, and wheel hubs for combined radial and axial load support
NTN
Inch-system tapered roller bearing cone with 1 49/64 in tapered bore, 3.03 in outside diameter, and 1 in cone width. Chrome steel cage and carbon steel ring. Compatible with cup 25520. Used in gearboxes, conveyor systems, and wheel hubs for combined radial and axial load support
NTN Tapered Roller Bearing Assembly: 25878/25820, 1 3/8 in Bore, 2 7/8 in OD, 0.968 in Cone Wd (MPN 4T-25878/25820)
NTN
NTN Tapered Roller Bearing Assembly: 25878/25820, 1 3/8 in Bore, 2 7/8 in OD, 0.968 in Cone Wd (MPN 4T-25878/25820)
NTN Tapered Roller Bearing Cone: 2558, 1 3/16 in Bore, 2.52 in OD, 0.998 in Cone Wd, 4T-2558
NTN
NTN Tapered Roller Bearing Cone: 2558, 1 3/16 in Bore, 2.52 in OD, 0.998 in Cone Wd, 4T-2558

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