The SKF IR 30X35X20.5 Needle Roller Inner Ring is a precision-engineered component designed for use in various industrial applications. Specifically crafted to meet the needs of high-performance machinery, this inner ring features dimensions of 30 mm bore diameter, 35 mm outer diameter, and 20.5 mm width. It is commonly utilized in sectors requiring compact assembly solutions, such as automotive transmissions and industrial gearboxes. The product code IR30X35X205-SKF ensures easy identification within the SKF bearing accessory range.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 30 mm |
| Outer diameter (D) | 35 mm |
| Width (B) | 20.5 mm |
| Basic dynamic load rating (C) | 12 kN |
| Basic static load rating (C0) | 18 kN |
| Reference speed | 12,000 rpm |
| Cage type | Pressed steel |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| ISO / cross-reference equivalent code | IR30x35x20.5-ISO |
Technical advantages
The SKF IR 30X35X20.5 Needle Roller Inner Ring offers several technical benefits:
- High dynamic load capacity of 12 kN to support heavy-duty operations.
- Static load capacity of 18 kN ensures robustness under stationary stress conditions.
- Engineered with a pressed steel cage for enhanced rigidity and strength.
- Constructed from 100Cr6 chrome steel, providing rolling-contact fatigue life exceeding 107 cycles.
- Standard P0 precision class, ensuring compatibility with general industrial applications.
Typical applications
This needle roller inner ring is widely used across various industries due to its versatile design:
- Automotive industry (transmissions, differential assemblies)
- Industrial machinery (gearboxes, conveyor systems)
- Construction equipment (hydraulic pumps, earthmovers)
- Textile production machinery (spinning frames, looms)
- Agricultural machinery (harvesters, tractors)
Availability and ordering
Eurobearing.eu, as a specialized B2B supplier, offers fast availability of the SKF IR30X35X205 Needle Roller Inner Ring. Customers can easily add this product to their cart or request a quotation for bulk quantities. Explore our platform for seamless procurement of industrial components.

