The Needle Roller Inner Ring IR45X50X35 – 45X50X35-EGS is a crucial component designed for use in needle roller bearings. This inner ring measures 45 mm in inner diameter, 50 mm in outer diameter, and 35 mm in width, making it suitable for applications requiring precise and efficient load distribution. It is commonly utilized in industries where compact and lightweight bearing solutions are essential, such as automotive transmissions, industrial machinery, and packaging equipment. This product, available under SKU: IR45X50X35EGS-ECO, is part of our extensive range of bearing accessories designed to meet rigorous industrial standards.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 45 mm |
| Outer diameter (D) | 50 mm |
| Width (B) | 35 mm |
| Ring material | Chrome steel 100Cr6 |
| Basic dynamic load rating (C) | 44 kN |
| Basic static load rating (C0) | 60 kN |
| Limiting speed | 10,000 rpm |
| Precision class | P0 |
| Internal clearance | CN |
| Factory lubrication | Dry |
Technical advantages
The Needle Roller Inner Ring IR45X50X35 – 45X50X35-EGS offers several technical benefits:
- Chrome steel 100Cr6 material enhances rolling-contact fatigue life, exceeding 107 cycles.
- Standard CN radial clearance allows for optimal fit in assemblies without the need for preload.
- Capable of handling dynamic loads up to 44 kN, ensuring robust performance in demanding applications.
- Limiting speed of 10,000 rpm supports high-speed applications without compromising stability.
- Dry factory lubrication reduces maintenance needs and is suitable for environments with strict contamination control.
Typical applications
This inner ring is ideal for use in a variety of industries and equipment, including:
- Automotive transmissions and drive systems
- Industrial machinery, such as presses and conveyors
- Packaging equipment requiring precise motion control
- Aerospace components where weight and space are critical
- Precision manufacturing tools like CNC machines and lathes
Availability and ordering
Eurobearing.eu is your dedicated B2B supplier for mechanical industrial components, including the Needle Roller Inner Ring IR45X50X35 – 45X50X35-EGS. This product is available for fast dispatch, and we offer competitive quotes for bulk orders. Add this item to your cart or request a quotation to meet your industry-specific needs efficiently.

