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NTN 4T-25577/25521 Tapered Roller Bearing Assembly - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN 4T-25577/25521 Tapered Roller Bearing Assembly

The NTN Tapered Roller Bearing Assembly, model 25577/25521 (MPN 4T-25577/25521), is an inch-system bearing with a 1 11/16 in bore, 3 11/32 in OD, and 1 in cone width. It features a carbon steel ring and a pressed…

SKU 3G-OTH-107666

Also listed as: 4T2557725521 · 4T 25577 25521 · 4T-25577-25521

Brand
NTN
Item
4T-25577/25521 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-25577/25521
Bore
1 11/16 in
OD
3 11/32 in
Cone Wd
1 in
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
25577/25521

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Assembly, model 25577/25521 (MPN 4T-25577/25521), is an inch-system bearing with a 1 11/16 in bore, 3 11/32 in OD, and 1 in cone width. It features a carbon steel ring and a pressed steel cage, as specified by the manufacturer.

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 25577/25521 tapered roller bearing used for?

The NTN 25577/25521 tapered roller bearing assembly is designed for radial and axial load support in industrial machinery, automotive drivetrains, and heavy equipment. Its inch-system dimensions and pressed steel cage suit moderate-speed applications requiring reliable load distribution.

What are the specifications of the NTN 4T-25577/25521 bearing?

The NTN 4T-25577/25521 is an inch-system tapered roller bearing assembly with a 1 11/16 in bore, 3 11/32 in OD, and 1 in cone width. It features carbon steel rings and a pressed steel cage. The manufacturer part number is 4T-25577/25521, and the industry number is 25577/25521.

Where to buy NTN 25577/25521 bearings worldwide?

3G Electric supplies the NTN 25577/25521 tapered roller bearing assembly worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this NTN bearing to any country.

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

To select the correct NTN tapered roller bearing, verify the system of measurement (inch vs. metric), bore diameter, outer diameter, and cone width. For the 25577/25521, confirm a 1 11/16 in bore and 3 11/32 in OD. Match the load rating and speed requirements to your application; consult NTN's catalog for fit and tolerance details.

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 3/4 in bore, 3 1/4 in OD, and 1 in cone width. Constructed with carbon steel rings and a pressed steel cage. Suitable for applications requiring support of combined radial and axial loads, such as gearboxes, conveyors, and automotive drivetrains
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Inch-system tapered roller bearing assembly with 1 3/4 in bore, 3 1/4 in OD, and 1 in cone width. Constructed with carbon steel rings and a pressed steel cage. Suitable for applications requiring support of combined radial and axial loads, such as gearboxes, conveyors, and automotive drivetrains
NTN Tapered Roller Bearing Assembly: 25877/25821, 1 3/8 in Bore, 2 7/8 in OD, 0.968 in Cone Wd (MPN 4T-25877/25821)
NTN
NTN Tapered Roller Bearing Assembly: 25877/25821, 1 3/8 in Bore, 2 7/8 in OD, 0.968 in Cone Wd (MPN 4T-25877/25821)
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
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
NTN Tapered Roller Bearing Assembly: 15123/15245, 1 1/4 in Bore, 2 7/16 in OD, 0.75 in Cone Wd (MPN 4T-15123/15245)
NTN
NTN Tapered Roller Bearing Assembly: 15123/15245, 1 1/4 in Bore, 2 7/16 in OD, 0.75 in Cone Wd (MPN 4T-15123/15245)

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