The Needle Roller Inner Ring IR280X305X69, available at Eurobearing.eu, is a precise mechanical component designed for use in demanding industrial environments. This specific inner ring, measuring 280x305x69 mm, is utilized primarily in bearing assemblies to provide a hardened and ground raceway for needle roller bearings. Ideal for high-load applications, the IR280X305X69 is commonly used in sectors such as automotive, aerospace, and heavy machinery, where precise alignment and load distribution are critical.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 280 mm |
| Outer diameter (D) | 305 mm |
| Width (B) | 69 mm |
| Basic dynamic load rating (C) | 510 kN |
| Basic static load rating (C0) | 760 kN |
| Material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The Needle Roller Inner Ring IR280X305X69 offers several technical advantages that make it suitable for rigorous industrial applications:
- Designed for high-load capacities, with a basic dynamic load rating of 510 kN.
- Manufactured from heat-treated 100Cr6 chrome steel for superior wear resistance.
- Standard CN radial clearance, ensuring optimal performance without the need for preload.
- Precision class P0 / ABEC-1, providing excellent rotational accuracy.
- Specifically engineered to withstand intensive operational demands in harsh environments.
Typical applications
The IR280X305X69 Needle Roller Inner Ring is versatile and can be found in various specialized industrial applications, such as:
- Automotive industry (gearboxes, drive shafts)
- Aerospace (landing gear systems, control surfaces)
- Heavy machinery (crushers, conveyors, presses)
- Railway applications (bogie assemblies, traction motors)
- Construction equipment (excavators, bulldozers)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier of mechanical components, offers fast availability of the Needle Roller Inner Ring IR280X305X69-ECO. For bulk purchases or specific inquiries, customers can easily request a quote or add the product to their cart for immediate purchase.
