The Needle Roller Inner Ring LR25X30X12,5 – 25X30X12,5 – INA is a precision-engineered bearing accessory designed to complement needle roller bearings in various industrial applications. Manufactured by INA, this inner ring measures 25 mm in bore diameter, 30 mm in outer diameter, and 12.5 mm in width. Commonly used in the automotive, aerospace, and industrial machinery sectors, this component ensures optimized load distribution and smooth rotational performance when paired with needle rollers.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 25 mm |
| Outer diameter (D) | 30 mm |
| Width (B) | 12.5 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The Needle Roller Inner Ring LR25X30X12,5 – INA offers several technical advantages that make it suitable for demanding applications:
- Manufactured from chrome steel 100Cr6, providing excellent wear resistance and rolling-contact fatigue life >10^7 cycles.
- Precision class P0 / ABEC-1 ensures accuracy and efficiency in high-speed applications.
- Standard CN radial clearance, optimal for assemblies without preload, reducing installation complexity.
- Designed to function seamlessly with needle roller bearings, enhancing load distribution and operational stability.
- Compact dimensions facilitate integration into space-constrained assemblies without sacrificing performance.
Typical applications
This needle roller inner ring is used in a variety of specialized sectors:
- Automotive industry (gearboxes, camshaft drives)
- Aerospace (actuator systems, flight control mechanisms)
- Industrial machinery (printing presses, textile machines)
- Construction equipment (hydraulic pumps, conveyor systems)
- Electronics (precision instruments, servo drives)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers swift availability of the Needle Roller Inner Ring LR25X30X12,5 – INA (SKU: LR25X30X12,5-INA). Customers can easily add this product to their cart or request a quotation for bulk quantities to meet their specific industrial needs.
