The Needle Roller Inner Ring LR12X15X16,5 – 12X15X16,5 – INA is a crucial component within the category of bearing accessories. Manufactured by INA, this specific inner ring measures 12 mm in bore diameter, 15 mm in outer diameter, and 16.5 mm in width. Primarily used in applications involving needle roller bearings, it provides a hardened and precise surface for needle rollers to run on, ensuring optimal performance in various industrial applications where compact and efficient load handling is required.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 12 mm |
| Outer diameter (D) | 15 mm |
| Width (B) | 16.5 mm |
| Ring material | Chrome steel 100Cr6 |
Technical advantages
The Needle Roller Inner Ring LR12X15X16,5 – INA offers several technical benefits, making it a preferred choice in demanding industries:
- Precision manufacturing ensures a consistent fit with needle roller bearings, reducing unnecessary play and wear.
- Constructed from chrome steel 100Cr6, known for its excellent hardness and fatigue resistance, suitable for long-term use.
- Ideal for compact designs where space constraints are present without compromising load capacity.
- Seamless integration into existing assemblies due to standardized dimensions.
- Effective at handling radial loads, enhancing the durability and functionality of needle roller bearings.
Typical applications
This inner ring is engineered for use across various specialized sectors, each demanding high precision and reliability:
- Automotive industry (gearboxes, camshaft supports)
- Industrial machinery (printing machines, textile machinery)
- Power tools (hand drills, grinders)
- Agricultural equipment (combine harvesters, balers)
Availability and ordering
Eurobearing.eu, as a specialized B2B supplier, ensures rapid availability of the Needle Roller Inner Ring LR12X15X16,5 – INA. Customers can conveniently add this product to their cart or request a quotation for bulk quantities, catering to specific business needs.

