The Bearing 51209 – 45X73X20, identified by SKU 51209-ECO, is a thrust ball bearing manufactured by CRF. This component features a bore diameter of 45 mm, an outer diameter of 73 mm, and a width of 20 mm. Thrust ball bearings like the 51209 are typically utilized in applications requiring the accommodation of axial loads, such as those found in gearboxes and various machinery. Their design allows for effective load management in rotational systems, making them essential components in industrial environments.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 45 mm |
| Outer diameter (D) | 73 mm |
| Width / Thickness (B) | 20 mm |
| Weight | 0.56 kg |
| Basic dynamic load rating (C) | 29 kN |
| Basic static load rating (C0) | 41 kN |
| Limiting speed | 3,500 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 51209 offers several technical advantages that enhance its performance in industrial applications:
- Basic dynamic load rating (C) of 29 kN, suitable for moderate to high load applications.
- Weight of 0.56 kg, facilitating easy integration into machinery without significant impact on overall assembly weight.
- Limiting speed of 3,500 rpm, enabling efficient operation in various rotating systems.
- Operating temperature range of -20 to +120 °C, providing versatility across different environmental conditions.
- Pressed steel cage design, ensuring effective ball guidance and reducing friction during operation.
- Open design allows for easy maintenance and lubrication access, promoting ongoing operational efficiency.
Typical applications
The Bearing 51209 is widely used in several specific industries and machine types, including:
- Automotive manufacturing (gear assemblies, clutches)
- Industrial machinery (conveyor systems, presses)
- Aerospace (actuation mechanisms, landing gear systems)
- Textile machinery (spindles, weaving looms)
- Marine applications (drive shafts, rudder systems)
Availability and ordering
Eurobearing.eu serves as a specialized B2B supplier, ensuring fast availability of the Bearing 51209 – 45X73X20 (SKU 51209-ECO). Customers can easily request a quote for bulk quantities or add the product to their cart for immediate purchase.
