NTN Tapered Roller Bearing 4T-344/332 40x80x20mm

NTN Tapered Roller Bearing 4T-344/332 — 40x80x22.403mm

The NTN 4T-344/332 is a precision tapered roller bearing designed for automotive gearbox, differential, and drivetrain rebuild and repair applications. Manufactured by NTN, one of the world's leading bearing manufacturers, it combines reliable radial and axial load capacity with precision tolerances expected in OEM applications.

Specifications

• Brand: NTN
• Part Number: 4T-344/332
• Inner Diameter (d): 40 mm
• Outer Diameter (D): 80 mm
• Width (B): 22.403 mm
• Weight: 0.479 kg
• Type: Tapered Roller Bearing
• Origin: Japan

Frequently Asked Questions

Is the 4T-344/332 an OEM-quality bearing?

Yes. NTN is a Japanese OEM-grade bearing manufacturer. The 4T-344/332 meets or exceeds original equipment specifications and is suitable for professional gearbox and differential rebuilds.

What is the difference between the cone and cup?

Tapered roller bearings consist of a cone (inner race with rollers) and a cup (outer race). The 4T-344 is the cone and the 4T-332 is the cup. This listing supplies both as a matched assembly.

Can I use this bearing in a differential application?

Yes — this bearing is commonly used in differential pinion positions and transfer case applications where high radial and axial loads are present.

How do I confirm compatibility with my vehicle?

If you are unsure, send us your UK registration number or VIN code and we will advise. Alternatively, cross-reference the bearing part number against your gearbox parts manual.

Does Eco Torque offer other NTN bearings?

Yes — we stock a wide range of NTN bearings for gearbox and differential rebuilds. Browse our full range or contact us for assistance locating a specific part.

Why Choose Eco Torque?

Eco Torque are UK-based transmission and drivetrain specialists. We supply genuine and OEM-grade parts including bearings, seals, filters, and oils for gearbox rebuilds and repairs. All orders are dispatched quickly from the UK, and our team is on hand to help you find the right part for your application.

• Genuine OEM and quality aftermarket brands
• Expert fitment support — send your reg or VIN
• Fast UK dispatch

Need Help Finding the Right Part?

If you are unsure whether this bearing is right for your vehicle or gearbox, please get in touch. Send us your registration number, VIN, or gearbox code and we will confirm compatibility.