The Needle Roller Inner Ring LR50X55X20,5 – 50X55X20,5 – INA is a critical component within the realm of needle roller bearings, specifically designed to function as an indispensable bearing accessory. Manufactured by INA, this inner ring measures precisely 50 mm in bore diameter, 55 mm in outer diameter, and 20.5 mm in width. Commonly utilized in various industrial applications, these inner rings are essential in setups where the shaft cannot be used as a raceway, providing a hardened and precision-ground surface for the rollers.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 50 mm |
| Outer diameter (D) | 55 mm |
| Width (B) | 20.5 mm |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| ISO / cross-reference equivalent code | LR50X55X20,5-INA |
Technical advantages
The Needle Roller Inner Ring LR50X55X20,5 offers a range of technical benefits that make it suitable for demanding industrial environments:
- Manufactured from heat-treated 100Cr6 chrome steel, ensuring high rolling-contact fatigue life.
- Precision-ground surfaces maintain dimensional accuracy and optimal roller alignment.
- Standard precision class P0 / ABEC-1, suitable for a wide range of general-purpose applications.
- Designed to complement needle roller bearings, enhancing load distribution and reducing wear.
- Supports a variety of lubrication options to accommodate different operating conditions.
Typical applications
The Needle Roller Inner Ring LR50X55X20,5 is utilized across various industrial sectors, effectively serving as a foundational component in:
- Automotive transmissions and gearboxes
- Heavy machinery and construction equipment
- Textile manufacturing machines
- Hydraulic and pneumatic systems
- Electric motors and generators
Availability and ordering
As a specialized B2B supplier, Eurobearing.eu ensures the fast availability of the Needle Roller Inner Ring LR50X55X20,5-INA for your industrial needs. You can easily add this product to your cart or request a quotation for bulk quantities directly through our platform.
