The Needle Roller Inner Ring IR12X15X22,5 – 12X15X22,5 – INA is an essential component in precision mechanical assemblies, designed to work in tandem with needle roller bearings. Manufactured by INA, this inner ring features dimensions of 12 mm bore diameter, 15 mm outer diameter, and a width of 22.5 mm. It is commonly used in applications requiring high rigidity and load-bearing capacity, such as in automotive transmissions and industrial gearboxes. As a leading accessory in the bearing industry, it ensures smooth operation under demanding conditions.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 12 mm |
| Outer diameter (D) | 15 mm |
| Width (B) | 22.5 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
Designed for optimal integration with needle roller bearings, the Needle Roller Inner Ring IR12X15X22,5 – 12X15X22,5 – INA offers several technical benefits:
- Heat-treated 100Cr6 chrome steel construction enhances durability and fatigue resistance.
- Standard CN radial clearance allows for seamless assembly without the need for preload adjustments.
- Compact design facilitates use in space-constrained applications while maintaining structural integrity.
- Compatible with various needle roller bearing types, enhancing versatility across different machines.
- Precision P0 / ABEC-1 classification ensures consistent performance in precision applications.
Typical applications
The Needle Roller Inner Ring IR12X15X22,5 – 12X15X22,5 – INA is suitable for a wide range of industries and machinery:
- Automotive industry (gearboxes, camshaft assemblies)
- Industrial machinery (conveyor systems, robotic arms)
- Aerospace components (actuator systems, landing gear)
- Textile machinery (spinning machines, weaving looms)
- Packaging equipment (wrapping machines, labeling systems)
Availability and ordering
Eurobearing.eu is your trusted B2B supplier for mechanical components, offering the Needle Roller Inner Ring IR12X15X22,5-INA with fast availability. For bulk orders, request a quotation to benefit from competitive pricing. Add this essential component to your cart today or contact us for more details.
