The Needle Roller Inner Ring LR25X30X16,5 – 25X30X16,5 – INA is a precision-engineered component designed for use in conjunction with needle roller bearings. This inner ring, produced by INA, is characterized by its specific dimensions of 25 mm bore diameter, 30 mm outer diameter, and a width of 16.5 mm. Such dimensions render it ideal for applications that demand high radial load capacity and precision. It serves as an essential accessory in various industrial sectors, ensuring enhanced performance of machinery and equipment.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 25 mm |
| Outer diameter (D) | 30 mm |
| Width (B) | 16.5 mm |
| Weight | Not specified |
| Basic dynamic load rating (C) | Not specified |
| Basic static load rating (C0) | Not specified |
| Limiting speed | Not specified |
| Reference speed | Not specified |
| Cage type | Not specified |
| Shielding / Sealing | Open |
| Operating temperature range | Not specified |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Dry |
| Precision class | Not specified |
| Internal clearance | Not specified |
| ISO / cross-reference equivalent code | Not specified |
Technical advantages
The Needle Roller Inner Ring LR25X30X16,5 – INA offers several technical advantages, making it a preferred choice for demanding applications:
- Manufactured from chrome steel 100Cr6, ensuring robust performance and resistance to wear.
- Open design, facilitating easy maintenance and inspection.
- Precision-engineered to fit seamlessly with needle roller bearings, enhancing load distribution.
- Compatible with high-speed applications due to its optimized geometry.
- Dry lubrication, suitable for environments where oil or grease is not preferred.
Typical applications
This needle roller inner ring finds extensive use across various industries, ensuring optimal functionality in:
- Automotive manufacturing (gearboxes, transmission systems)
- Aerospace engineering (actuation systems, landing gear)
- Industrial machinery (conveyors, material handling equipment)
- Textile machinery (spinning machines, looms)
- Packaging equipment (sealing machines, wrapping machines)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers fast availability of the Needle Roller Inner Ring LR25X30X16,5 – INA. Businesses can easily add this product to their cart or request a quotation for bulk quantities to meet their specific needs.

