The IR 55X65X28 Needle Roller Inner Ring by SKF is an essential component within the realm of bearing accessories. Specifically designed to complement needle roller bearings, this inner ring measures 55 mm in bore diameter, 65 mm in outer diameter, and 28 mm in width. It is widely used in industrial applications where precision and compact design are critical, including automotive transmissions and high-speed machine tools. The SKF IR55X65X28-SKF ensures optimal performance when paired with complementary needle roller bearings, contributing to the smooth functioning of the overall mechanical system.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 55 mm |
| Outer diameter (D) | 65 mm |
| Width (B) | 28 mm |
| Basic dynamic load rating (C) | Available upon request |
| Basic static load rating (C0) | Available upon request |
| Limiting speed | Available upon request |
| Ring material | Chrome steel |
| Precision class | P0 / ABEC-1 |
Technical advantages
The IR 55X65X28 Needle Roller Inner Ring offers several technical benefits:
- Manufactured from durable chrome steel, ensuring extended rolling-contact fatigue life.
- Precision class P0 / ABEC-1, suitable for standard applications requiring minimal axial movement.
- Compact dimensions facilitate integration into space-constrained assemblies.
- Designed to withstand the high-pressure environments typical of industrial applications.
- Compatible with a range of needle roller bearings, enhancing versatility across different systems.
Typical applications
The SKF IR55X65X28 Needle Roller Inner Ring is utilized in various industries, including:
- Automotive industry (transmissions, camshaft assemblies)
- Machine tools (spindle systems, gear reducers)
- Textile machinery (spinning machines, looms)
- Construction equipment (earth movers, hydraulic systems)
- Printing machinery (high-speed presses, rollers)
Availability and ordering
Eurobearing.eu offers fast availability for the IR55X65X28-SKF, ensuring your business continuity and efficiency. As a specialized B2B supplier, we cater to bulk orders, allowing you to request a quote for large quantities. Ready to order? Simply add the item to your cart or request a quotation today.

