The Needle Roller Inner Ring IR15X18X16 – 15X18X16 – INA is a precision-engineered component, crafted for optimal performance in demanding industrial applications. Manufactured by INA, this needle roller inner ring measures 15 mm in bore diameter, 18 mm in outer diameter, and 16 mm in width, making it ideal for use in environments where compact design and high load capacities are essential. It serves as a critical accessory in bearing assemblies, ensuring smooth operation and extended functionality across various sectors.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 15 mm |
| Outer diameter (D) | 18 mm |
| Width (B) | 16 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 |
| ISO / cross-reference equivalent code | IR15X18X16 |
Technical advantages
The Needle Roller Inner Ring IR15X18X16 – 15X18X16 – INA offers several notable technical benefits, making it a preferred choice for industrial applications:
- Manufactured from chrome steel 100Cr6, offering rolling-contact fatigue life exceeding 107 cycles.
- Precision class P0 ensures standard accuracy suitable for general mechanical applications.
- Compact dimensions (15 mm x 18 mm x 16 mm) allow for integration in space-constrained assemblies.
- Designed for use with needle roller bearings, enhancing load distribution and reducing friction.
- Enhanced wear resistance due to high-grade material composition, supporting long-term operational stability.
Typical applications
The Needle Roller Inner Ring IR15X18X16 – 15X18X16 – INA is utilized across a diverse range of industries and machinery, including:
- Automotive manufacturing (transmission systems, drive shafts)
- Industrial machinery (conveyors, machine tools)
- Aerospace engineering (actuation systems, gearboxes)
- Textile machinery (spinning machines, weaving looms)
- Packaging equipment (film wrapping machines, carton sealing machines)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the Needle Roller Inner Ring IR15X18X16 – 15X18X16 – INA, offering fast availability and competitive pricing. Whether you require a single unit or a bulk order, our team is ready to fulfill your needs. Visit our website to add this product to your cart or request a quotation for larger quantities.

