The Needle Roller Inner Ring IR12X16X14 – 12X16X14 – INA is a precision-engineered component designed to complement needle roller bearings by providing a hardened and ground raceway surface. With dimensions of 12 mm bore diameter, 16 mm outer diameter, and 14 mm width, this inner ring is particularly suited for assemblies requiring compact design and high load capacity. Manufactured by INA, a renowned brand in the bearing industry, this component is commonly utilized in various industrial applications where precise radial alignment is vital.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 12 mm |
| Outer diameter (D) | 16 mm |
| Width (B) | 14 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
Technical advantages
The Needle Roller Inner Ring IR12X16X14 offers several concrete advantages for industrial applications:
- Manufactured from chrome steel 100Cr6, ensuring excellent wear resistance and rolling-contact fatigue life exceeding 107 cycles.
- Precision class P0 / ABEC-1, providing reliable dimensional accuracy for standard applications.
- Compact dimensions of 12x16x14 mm, making it suitable for space-constrained assemblies.
- Hardened and ground surface for optimal interaction with needle rollers, enhancing load distribution.
- Standard design for compatibility with a wide range of needle roller bearings, facilitating easy integration.
Typical applications
This inner ring finds its use across various industrial sectors, including:
- Textile machinery (spindle assemblies, tensioning devices)
- Automotive and heavy vehicles (transmissions, axle systems)
- Industrial automation (linear guides, belt tensioners)
- Printing machines (cylinder supports, roller bearings)
- Agricultural equipment (harvesters, balers, ploughs)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, ensures fast availability of the Needle Roller Inner Ring IR12X16X14 – 12X16X14 – INA. Customers can easily add this product to their cart or request a quotation for bulk quantities, ensuring seamless procurement for your industrial needs.

