The Needle Roller Inner Ring LR15X18X16,5 – 15X18X16,5 – INA is a precision-engineered component designed for use in various industrial applications. Produced by INA, this inner ring measures 15 mm in bore diameter, 18 mm in outer diameter, and 16.5 mm in width, making it suitable for compact assembly environments. Typically utilized in the manufacturing and assembly of needle roller bearings, this component is essential for ensuring optimal performance in high-load, high-speed operations.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 15 mm |
| Outer diameter (D) | 18 mm |
| Width (B) | 16.5 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The Needle Roller Inner Ring LR15X18X16,5 – INA offers several technical benefits that ensure efficient and reliable operation:
- Made from chrome steel 100Cr6, providing excellent resistance to wear and fatigue.
- Precision class P0 / ABEC-1 ensures standard accuracy for general applications.
- Standard CN radial clearance suits non-preloaded assemblies, facilitating smooth operation.
- Compatible with a wide range of needle roller bearings, enhancing system versatility.
- Compact dimensions allow for use in space-constrained environments, optimizing assembly design.
Typical applications
This needle roller inner ring is versatile and can be utilized in various sectors including:
- Automotive manufacturing (transmission systems, camshafts)
- Industrial machinery (conveyors, gearboxes)
- Textile industry (weaving machines, looms)
- Printing equipment (rollers, drum systems)
- Agricultural machinery (harvesters, tillers)
Availability and ordering
Eurobearing.eu is a specialized B2B supplier offering fast availability of the Needle Roller Inner Ring LR15X18X16,5 – INA. For bulk quantities, you can request a quote directly through our platform. Add this essential component to your cart today or request a quotation for bulk orders to ensure you have the components you need for your industrial applications.

