The Needle Roller Inner Ring IR20X25X20,5 – 20X25X20,5 – INA is a precision-engineered component essential for various mechanical assemblies. Manufactured by INA, this inner ring is designed to support needle roller bearings, offering a crucial interface for the rollers. With dimensions of 20 mm bore diameter, 25 mm outer diameter, and a width of 20.5 mm, it is specifically tailored for industrial applications where space constraints and high load capacities are a priority. This component is commonly used in sectors requiring compact yet robust bearing solutions.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 25 mm |
| Width (W) | 20.5 mm |
| Basic dynamic load rating (C) | Not specified |
| Basic static load rating (C0) | Not specified |
| Limiting speed | Not specified |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The Needle Roller Inner Ring IR20X25X20,5 – 20X25X20,5 – INA offers several technical advantages that make it suitable for demanding applications:
- Manufactured from chrome steel 100Cr6 for excellent wear resistance and strength.
- Precision class P0 / ABEC-1 ensures minimal dimensional variation, promoting smooth operation.
- Compact size with a 20 mm bore diameter, fitting perfectly in limited-space applications.
- Standard CN internal clearance is ideal for applications without preload, ensuring optimal contact with needle rollers.
- Compatible with various lubricants, allowing for versatile use in different operating environments.
Typical applications
This inner ring is utilized in a range of industries and machinery, providing essential support for needle roller bearings in:
- Automotive manufacturing (transmission systems, drive shafts)
- Textile machinery (spinning machines, looms)
- Industrial gearboxes (planetary gearsets, reduction drives)
- Hydraulic equipment (pumps, motors)
- Agricultural machinery (harvesters, seeders)
Availability and ordering
Eurobearing.eu is your trusted B2B supplier for the Needle Roller Inner Ring IR20X25X20,5-INA. With fast availability and an option to request a quote for bulk quantities, we ensure you have the components you need when you need them. Click ‘Add to cart’ or ‘Request a quotation’ to proceed with your order.
