The Bearing 81209-TV – 45X73X20, manufactured by MTB, is a needle roller thrust bearing designed for high-load applications. With a bore diameter of 45 mm and an outer diameter of 73 mm, this component is engineered to accommodate substantial axial loads in various industrial settings. Its robust construction makes it suitable for applications requiring precise alignment and effective load distribution, ensuring optimal functionality in demanding environments.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 45 mm |
| Outer diameter (D) | 73 mm |
| Width / Thickness (B) | 20 mm |
| Weight | 0.410 kg |
| Basic dynamic load rating (C) | 33.5 kN |
| Basic static load rating (C0) | 52.5 kN |
| Limiting speed | 3800 rpm |
| Cage type | Pressed steel |
| Shielding / Sealing | Open |
| Operating temperature range | -20 / +120 °C |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Lithium grease |
| Precision class | P0 |
| Internal clearance | CN |
Technical advantages
The Bearing 81209-TV – 45X73X20 offers several notable technical benefits:
- Basic dynamic load rating of 33.5 kN, accommodating substantial thrust loads in applications.
- Limiting speed of 3800 rpm, making it suitable for medium-speed applications.
- Pressed steel cage design, promoting efficient lubrication and reduced friction.
- Operating temperature range of -20 to +120 °C, allowing use in diverse environments.
- Manufactured from 100Cr6 chrome steel, ensuring resistance to wear and fatigue.
- Standard CN internal clearance, facilitating optimal performance in non-preloaded assemblies.
Typical applications
The Bearing 81209-TV – 45X73X20 is widely used across various industries, including:
- Material handling equipment (conveyor systems, stackers)
- Aerospace applications (actuation systems, landing gear mechanisms)
- Automotive manufacturing (gearboxes, clutch assemblies)
- Industrial machinery (hydraulic presses, machine tools)
- Marine engineering (propulsion systems, winches)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for mechanical industrial components, offering fast availability of the Bearing 81209-TV – 45X73X20 (SKU: 81209TV-ECO). For bulk quantities, feel free to request a quote. Add to cart now to secure your order!

