The Needle Roller Inner Ring IR55X65X28 – 55X65X28-EGS is a crucial component used primarily in mechanical assemblies where precision and load capacity are critical. This inner ring by Eurobearing is designed with dimensions of 55mm bore diameter, 65mm outer diameter, and 28mm width, making it suitable for a variety of industrial applications. Typically used in machinery requiring compact and efficient bearing solutions, this component aligns with the stringent requirements of modern engineering.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 55 mm |
| Outer diameter (D) | 65 mm |
| Width (B) | 28 mm |
| Cage type | Pressed steel |
| Ring material | Chrome steel 100Cr6 |
Technical advantages
The Needle Roller Inner Ring IR55X65X28 – 55X65X28-EGS offers several technical advantages, making it an optimal choice for demanding applications:
- Manufactured from heat-treated 100Cr6 chrome steel for enhanced rolling-contact fatigue life.
- Designed with a standard CN radial clearance to accommodate typical assembly conditions without preload requirements.
- Pressed steel cage ensures durability and effective load distribution.
- Compatible with needle roller bearings for high load carrying capacity.
- Smooth surface finish reduces friction in high-speed applications.
Typical applications
This inner ring is commonly used in various sectors requiring reliable and precise bearing components:
- Automotive transmissions (gearboxes, constant velocity joints)
- Construction machinery (earth-moving equipment, hydraulic pumps)
- Textile machinery (spinning frames, weaving looms)
- Industrial automation (robotic arms, conveyor systems)
- Aerospace (flight control systems, instrumentation)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for mechanical components, offering fast availability of the Needle Roller Inner Ring IR55X65X28 – 55X65X28-EGS. You can easily add this item to your cart for immediate purchase or request a quotation for bulk quantities. Visit Eurobearing.eu today to secure your order.

