The Needle Roller Inner Ring IR110X120X30 by INA is a crucial component in the realm of precision engineering. Specifically designed as an inner ring for needle roller bearings, this product measures 110 mm in bore diameter, 120 mm in outer diameter, and 30 mm in width. It caters primarily to applications that demand high precision and reduced friction in compact spaces, making it a preferred choice in industries such as automotive and aerospace. The IR110X120X30-INA is a staple in the category of bearing accessories, providing essential support and alignment for needle rollers.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 110 mm |
| Outer diameter (D) | 120 mm |
| Width (B) | 30 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 | 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
Leveraging advanced engineering, the Needle Roller Inner Ring IR110X120X30 offers several technical benefits:
- Constructed with 100Cr6 chrome steel, ensuring exceptional hardness and wear resistance.
- Open design facilitates easy inspection and maintenance, suitable for environments where contamination is controlled.
- Standardized dimensions allow for seamless integration with corresponding needle roller bearings.
- Designed for high-speed applications, accommodating increased rotational speeds without compromising stability.
- Minimal frictional loss, enhancing the efficiency of the bearing assembly in high-load applications.
Typical applications
The IR110X120X30 inner ring is extensively used across various high-demand sectors:
- Automotive industry (gearboxes, transmission systems)
- Aerospace engineering (actuation systems, landing gear mechanisms)
- Industrial machinery (textile machines, conveyor systems)
- Construction equipment (hydraulic pumps, heavy-duty cranes)
- Railway vehicles (bogie assemblies, traction motors)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the Needle Roller Inner Ring IR110X120X30-INA, ensuring fast availability and expert service. For bulk orders or specific inquiries, customers can request a quote directly through our platform. Add to your cart today for efficient procurement of high-precision bearing components.

