The IR 45X50X35 Needle Roller Inner Ring by SKF is a precise mechanical component designed for use in a variety of industrial applications. As part of SKF’s extensive range of bearing accessories, this inner ring is specifically crafted to complement needle roller bearings. With dimensions of 45 mm bore diameter, 50 mm outer diameter, and 35 mm width, it suits applications requiring compact yet durable solutions. It is commonly used in sectors such as automotive and industrial machinery, where robust and efficient bearing performance is crucial.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 45 mm |
| Outer diameter (D) | 50 mm |
| Width (B) | 35 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 |
| ISO / cross-reference equivalent code | IR45X50X35-SKF |
Technical advantages
The IR 45X50X35 Needle Roller Inner Ring offers several concrete advantages that enhance its utility in demanding applications:
- Accurate machining ensures compatibility with needle roller bearings, minimizing assembly time and effort.
- Manufactured from durable 100Cr6 chrome steel, offering high resistance to wear and fatigue.
- Precision class P0 ensures standard tolerance levels, suitable for general industrial applications.
- Compact dimensions allow for efficient use in space-constrained environments.
- Compatible with SKF’s comprehensive range of needle roller bearings, providing flexibility in design and application.
Typical applications
The IR 45X50X35 Needle Roller Inner Ring is utilized across various industries, including:
- Automotive industry (gearboxes, transmissions, camshafts)
- Industrial machinery (conveyor systems, hydraulic presses, pumps)
- Textile machinery (looms, spinning frames)
- Packaging equipment (sealing and cutting machines)
- Agricultural machinery (harvesters, balers, tillers)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers swift availability of the IR45X50X35-SKF inner ring. Businesses can easily add this item to their cart or request a quotation for bulk orders to meet their specific requirements.

