The Needle Roller Inner Ring IR150X165X40-EGS by INA is a crucial component in the realm of bearing accessories, specifically designed for needle roller applications. With precise dimensions of 150 mm bore diameter, 165 mm outer diameter, and 40 mm width, this inner ring is crafted to meet the rigorous demands of industrial machinery. Its robust construction ensures seamless integration into various gear and bearing systems, making it a preferred choice for heavy-duty applications across multiple sectors. Whether used in high-speed or high-load environments, the INA IR150X165X40-EGS promises efficient performance.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 150 mm |
| Outer diameter (D) | 165 mm |
| Width (B) | 40 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
Technical advantages
The Needle Roller Inner Ring IR150X165X40-EGS offers several technical advantages that enhance its performance and application versatility:
- Manufactured from heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life exceeding 107 cycles.
- Standard P0 precision class, providing reliable performance for industrial applications.
- Optimized for integration with needle roller bearings, enhancing load distribution and operational efficiency.
- Engineered for compatibility with a wide range of operating conditions, enabling use in diverse mechanical systems.
- Robust design supports high radial loads, making it suitable for demanding industrial environments.
Typical applications
This needle roller inner ring is specifically designed for use in:
- Automotive industry (gearboxes, differentials)
- Aerospace engineering (actuator systems, landing gear)
- Industrial machinery (conveyor belts, presses)
- Construction equipment (loaders, excavators)
- Railway systems (bogies, traction motors)
Availability and ordering
Eurobearing.eu, as a specialized B2B supplier, offers the Needle Roller Inner Ring IR150X165X40-EGS with fast availability. Businesses can easily add this product to their cart for immediate purchase or request a quotation for bulk quantities to meet large-scale project needs.

