The Needle Roller Inner Ring IR25X30X18 – 25X30X18 – INA is a meticulously engineered component designed for use in needle roller bearings. Manufactured by INA, a renowned name in the industry, this inner ring measures 25 mm in bore diameter, 30 mm in outer diameter, and 18 mm in width. It’s a vital component in applications where precise rotational alignment is critical, such as in automotive transmissions and industrial gearboxes. The IR25X30X18IS1OF-INA is an excellent choice for ensuring the smooth operation of needle roller bearings under varying loads and speeds.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 25 mm |
| Outer diameter (D) | 30 mm |
| Width (B) | 18 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 |
| Operating temperature range | Not specified |
| Ring material | Not specified |
| Factory lubrication | Not specified |
| Precision class | Not specified |
| Internal clearance | Not specified |
| ISO / cross-reference equivalent code | Not specified |
Technical advantages
The Needle Roller Inner Ring IR25X30X18 offers several technical benefits, enhancing its operational efficiency and performance in various industrial settings:
- Precisely machined to 25 mm bore diameter ensuring accurate fit and alignment.
- Operates efficiently under high radial loads due to robust inner ring design.
- Compatible with a wide range of needle roller bearings, enhancing versatility.
- Manufactured by INA, ensuring compatibility with other INA bearing components.
- Ideal for applications requiring compact design without sacrificing load capacity.
Typical applications
This needle roller inner ring is integral to various industrial sectors, including:
- Automotive industry (transmissions, differentials)
- Industrial machinery (gearboxes, presses)
- Aerospace technology (actuators, landing gear systems)
- Construction equipment (hydraulic pumps, conveyors)
- Marine engineering (propulsion systems, stabilizers)
Availability and ordering
Eurobearing.eu is your trusted B2B supplier for the Needle Roller Inner Ring IR25X30X18 – 25X30X18 – INA. We ensure fast availability and efficient processing of orders, with the option to request a quote for bulk quantities. Add to cart now or contact us to discuss your specific requirements.

