40TM18U40AL Transmission Gearbox Bearing – 40x80x16mm

The 40TM18U40AL is a precision-engineered transmission gearbox bearing designed for demanding industrial machinery and automotive drivetrain applications. With its exact 40mm bore × 80mm outer diameter × 16mm width dimensions, this bearing delivers a precise drop-in fit for compatible gearboxes, transmissions, and power-transfer assemblies.

Built to withstand high rotational speeds and radial loads, the 40TM18U40AL features durable steel construction and tight manufacturing tolerances that minimize vibration, heat buildup, and premature wear — keeping your equipment running smoothly and reliably over extended service intervals.

Made in Mainland China.

Key Features

Exact Model: 40TM18U40AL — OEM-compatible replacement
Dimensions: 40mm (bore) × 80mm (OD) × 16mm (width)
High-Speed Rated: Engineered for high-RPM transmission and gearbox environments
Durable Steel Construction: Resistant to radial loads, heat, and mechanical stress
Versatile Application: Suitable for automotive gearboxes, industrial machinery, and power transmission assemblies
Precision Tolerances: Ensures smooth, quiet operation and minimal play
Non-Electrified Component: Purely mechanical — no electrical components
No High-Concern Chemicals: Clean, industry-safe materials

Specifications

Model Number	40TM18U40AL
Bore Diameter	40 mm
Outer Diameter	80 mm
Width	16 mm
Application	Transmission / Gearbox / Industrial Machinery
Country of Origin	Mainland China

Who Is This For?

This bearing is ideal for automotive technicians, machine shop professionals, and maintenance engineers who need a reliable, dimensionally accurate replacement bearing for transmission overhauls, gearbox rebuilds, or industrial machinery servicing. Stocking this part minimizes downtime and keeps critical equipment operational.

Safety & Handling

When working with transmission and gearbox components, always follow proper workshop safety procedures. For guidance on workplace mechanical safety standards, refer to OSHA's Mechanical Power Transmission Safety guidelines.

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Frequently Asked Questions

Q: What equipment is the 40TM18U40AL gearbox bearing compatible with?

A: The 40TM18U40AL bearing is designed for use in automotive transmission assemblies and a wide range of industrial gearboxes and power transmission machinery that require a 40mm bore × 80mm outer diameter × 16mm wide bearing. Always verify your equipment's bearing specification before ordering.

Q: What are the exact dimensions of the 40TM18U40AL bearing?

A: The bearing measures 40mm inner bore diameter, 80mm outer diameter, and 16mm in width — making it a standard-dimension replacement for compatible transmission and gearbox housings.

Q: Is this a direct OEM replacement bearing?

A: Yes — the 40TM18U40AL is manufactured to match OEM dimensional specifications, providing a precise fit for compatible gearboxes and transmissions without modification.

Q: How should I store this bearing before installation?

A: Store the bearing in its original packaging in a clean, dry environment away from moisture, dust, and direct sunlight. Avoid dropping or subjecting it to impact, which can damage the precision raceways before installation.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

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