KOYO Tapered Roller Bearing LM503349RYA/10 - 45.987x74.976x18/14mm

KOYO Tapered Roller Bearing LM503349RYA/10 — 45.987x74.976x18mm

The KOYO LM503349RYA/10 is a precision tapered roller bearing manufactured by KOYO (part of the JTEKT Corporation), suitable for automotive gearbox, differential, and transfer case rebuild and repair applications. Supplied as a matched cone and cup assembly for reliable, precise installation.

Specifications

• Brand: KOYO
• Part Number: LM503349RYA/10 (also listed as LM 503349 RYA/10)
• Inner Diameter (d): 45.987 mm
• Outer Diameter (D): 74.976 mm
• Width (B): 18 mm / 14 mm (cone/cup)
• Type: Tapered Roller Bearing — matched cone and cup
• Origin: Japan

Frequently Asked Questions

Is this bearing supplied as a cone and cup assembly?

Yes. The LM503349RYA/10 is supplied as a matched cone (LM503349) and cup (LM503310) assembly, ready for installation.

Is KOYO an OEM-quality brand?

Yes. KOYO is a subsidiary of JTEKT Corporation and is a recognised OEM supplier to major automotive manufacturers. This bearing meets or exceeds original equipment standards.

What applications does this bearing suit?

This bearing is suitable for gearbox, differential, and transfer case applications requiring a tapered roller bearing of these dimensions. If you need confirmation of fitment to your specific application, please contact us.

Do you also stock a complete Haldex bearing kit?

Yes — we also offer a Haldex Rear Diff Bearing Kit (Gen 2–5) which includes all key bearings and seals for a complete overhaul. Contact us for details.

How do I confirm this is the right bearing for my gearbox?

Cross-reference the part number LM503349RYA/10 against your gearbox parts manual, or send us your vehicle registration or VIN and we will advise.

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.

• 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 suits your application, please get in touch. Send us your registration number, VIN, or gearbox code and we will confirm compatibility.