The Needle Roller Inner Ring IR8X12X12,5 – 8X12X12,5 by MTB is a precisely engineered component designed for high-performance applications in various industrial settings. This inner ring, part of the needle roller bearing family, features dimensions of 8 mm bore diameter, 12 mm outer diameter, and a width of 12.5 mm. Known for its robust construction, this component is typically utilized in applications requiring compactness and high load-carrying capacity, such as automotive transmissions and industrial machinery.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 8 mm |
| Outer diameter (D) | 12 mm |
| Width (B) | 12.5 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Operating temperature range | -20 / +120 °C |
| Internal clearance | CN |
Technical advantages
The Needle Roller Inner Ring IR8X12X12,5 – 8X12X12,5 offers several technical advantages:
- Rings constructed from heat-treated 100Cr6 chrome steel, ensuring rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, optimal for applications without preload requirements.
- Capable of operating within a wide temperature range of -20 to +120 °C, suitable for various industrial environments.
- Precision class P0 / ABEC-1, providing adequate dimensional accuracy for general-purpose applications.
- Compact size with a width of 12.5 mm, enabling use in space-restricted assemblies.
Typical applications
The IR8X12X12,5 Needle Roller Inner Ring finds use in multiple specialized sectors, including:
- Automotive industry (gearboxes, drivetrain components)
- Industrial machinery (textile machines, printing presses)
- Agricultural equipment (seed drills, sprayers)
- Construction machinery (cranes, excavators)
- Power tools (drills, grinders)
Availability and ordering
As a specialized B2B supplier, Eurobearing.eu ensures fast availability of the Needle Roller Inner Ring IR8X12X12,5 – 8X12X12,5 (SKU: IR8X12X12,5-ECO). Businesses can conveniently add this product to their cart or request a quotation for bulk quantities to meet their specific needs.
