The Needle Roller Inner Ring IR50X55X35 – 50X55X35-EGS is a precision-engineered component designed for use in needle roller bearings, offering an inner ring solution for applications requiring a 50mm bore diameter. Its main dimensions — 50mm bore diameter, 55mm outer diameter, and 35mm width — make it suitable for various industrial purposes, including automotive and machinery applications. This product, under SKU IR50X55X35EGS-ECO, is categorized under bearing accessories and needle roller inner rings, ensuring it meets the rigorous demands of modern engineering.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 50 mm |
| Outer diameter (D) | 55 mm |
| Width / Thickness (B) | 35 mm |
| Ring material | Chrome steel 100Cr6 |
Technical advantages
The Needle Roller Inner Ring IR50X55X35 – 50X55X35-EGS offers several technical advantages that make it an ideal choice for demanding applications.
- Constructed from 100Cr6 chrome steel, offering exceptional rolling-contact fatigue life.
- Precision-ground surfaces ensure optimal fit within needle roller bearings.
- Standard dimensional tolerances ensure compatibility with ISO-standard needle rollers.
- Resilient to wear and tear, extending maintenance intervals for machinery.
- Compatible with high-speed applications due to its robust construction.
Typical applications
This inner ring is widely used across various industries due to its versatility and robustness.
- Automotive manufacturing (transmission systems, differential assemblies)
- Industrial machinery (conveyor systems, gearboxes)
- Textile machinery (spinning frames, looms)
- Construction equipment (hydraulic pumps, drive systems)
- Railway engineering (bogie assemblies, traction motors)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, ensures the fast availability of the Needle Roller Inner Ring IR50X55X35 – 50X55X35-EGS, SKU IR50X55X35EGS-ECO. Customers can easily add this item to their cart or request a quotation for bulk quantities.

