The Needle Roller Inner Ring IR170X185X45 – 170X185X45 – INA is a vital component in the realm of bearing accessories. Manufactured by INA, this precision-engineered inner ring measures 170 mm in bore diameter, 185 mm in outer diameter, and 45 mm in width. It is specifically designed to complement needle roller bearings and is typically used in industries requiring compact and high-load capacity solutions. Ideal for applications where space is limited, the IR170X185X45 inner ring provides a robust interface for needle rollers, ensuring efficient and stable operation.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 170 mm |
| Outer diameter (D) | 185 mm |
| Width / Thickness (B) | 45 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
Technical advantages
The Needle Roller Inner Ring IR170X185X45 offers several technical advantages that make it an essential choice for specialized applications.
- Engineered with chrome steel 100Cr6, ensuring rolling-contact fatigue life exceeding 10^7 cycles.
- Compact dimensions make it suitable for applications with space constraints while maintaining high load capacity.
- Standard P0 / ABEC-1 precision class, providing adequate performance for general mechanical applications.
- Designed to operate efficiently with needle roller bearings, facilitating smooth and stable motion.
- Manufactured by INA, a brand known for its precise engineering and consistent product quality.
Typical applications
The IR170X185X45 inner ring is utilized in various specialized industries, offering reliability and precision.
- Automotive manufacturing (transmission systems, drive shafts)
- Industrial machinery (hydraulic pumps, conveyor systems)
- Textile machinery (spinning machines, looms)
- Printing equipment (rollers, offset presses)
- Aerospace technology (landing gear, flight control systems)
Availability and ordering
Available at Eurobearing.eu, a specialized B2B supplier of mechanical components, the Needle Roller Inner Ring IR170X185X45 – 170X185X45 – INA is ready for fast delivery. For bulk orders or specific quantity requests, you can easily request a quote. Add this essential component to your cart today to enhance your machinery’s efficiency.

