The Needle Roller Inner Ring LR45X50X20,5 – 45X50X20,5 – INA is a precision-engineered component designed for high-performance industrial applications. Manufactured by INA, this inner ring is ideal for use in environments requiring compact and efficient needle roller bearings. With dimensions of 45 mm bore diameter, 50 mm outer diameter, and 20.5 mm width, it provides a robust solution for supporting radial loads. Extensively used in various mechanical assemblies, this inner ring is integral to enhancing the operational efficiency of needle roller bearings.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 45 mm |
| Outer diameter (D) | 50 mm |
| Width (B) | 20.5 mm |
| Weight | 100 g |
| Basic dynamic load rating (C) | 20 kN |
| Basic static load rating (C0) | 28 kN |
| Limiting speed | 12,000 rpm |
| Reference speed | 10,000 rpm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
Technical advantages
This Needle Roller Inner Ring LR45X50X20,5 – 45X50X20,5 – INA offers several technical advantages, making it a superior choice for industrial applications:
- Chrome steel 100Cr6 construction ensures rolling-contact fatigue life exceeding 106 cycles.
- High basic dynamic load rating of 20 kN accommodates significant radial loads.
- Standard P0 precision class suitable for general industrial applications.
- Engineered to handle limiting speeds up to 12,000 rpm, supporting high-speed operations.
- Compact design with 20.5 mm width for space-constrained installations.
Typical applications
The Needle Roller Inner Ring LR45X50X20,5 – 45X50X20,5 – INA is widely used across various specific sectors, enhancing the performance and reliability of machinery:
- Automotive industry (gearbox assemblies, engine components)
- Industrial machinery (conveyors, precision grinders)
- Aerospace applications (actuator systems, aviation turbines)
- Printing machines (rollers, tensioning systems)
- Construction equipment (hydraulic pumps, earth-moving machinery)
Availability and ordering
At Eurobearing.eu, we specialize in providing a comprehensive range of mechanical industrial components, including the Needle Roller Inner Ring LR45X50X20,5 – 45X50X20,5 – INA. With fast availability and competitive pricing, you can easily add this product to your cart or request a quotation for bulk quantities. Trust Eurobearing.eu for all your B2B e-commerce needs in precision components.
