The Needle Roller Inner Ring LR20X25X12.5, offered under SKU LR20X25X12.5-ECO, is an essential component in the realm of bearing accessories. Designed to complement needle roller bearings, this inner ring measures 20 mm in bore diameter, 25 mm in outer diameter, and 12.5 mm in width. It is a versatile component widely employed in industrial applications where precision and durability are paramount. This specific model serves as a reliable choice for industries requiring high load capacity and compact design, ensuring seamless integration in various mechanical systems.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 25 mm |
| Width (B) | 12.5 mm |
| Weight | — |
| Basic dynamic load rating (C) | — |
| Basic static load rating (C0) | — |
| Limiting speed | — |
| Reference speed | — |
| Cage type | — |
| Shielding / Sealing | Open |
| Operating temperature range | — |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | — |
| Precision class | — |
| Internal clearance | — |
| ISO / cross-reference equivalent code | — |
Technical advantages
The Needle Roller Inner Ring LR20X25X12.5 offers several technical advantages that make it a preferred choice in specialized applications:
- Manufactured from chrome steel 100Cr6, providing high resistance to wear and contact fatigue.
- Open design facilitates lubrication and maintenance, ensuring extended service periods.
- Compact dimensions of 20 mm x 25 mm x 12.5 mm, enabling use in tight assemblies.
- Compatible with a wide range of needle roller bearings for versatile application.
- Precision-machined surfaces ensure optimal load distribution and reduced friction.
Typical applications
This needle roller inner ring finds significant use in a variety of industries, contributing to the efficient operation of complex machinery:
- Automotive manufacturing (transmission systems, engine components)
- Industrial machinery (textile looms, printing presses)
- Aerospace engineering (actuator systems, control surfaces)
- Heavy-duty construction equipment (cranes, excavators)
- Precision instrumentation (optical devices, measuring equipment)
Availability and ordering
Eurobearing.eu, as a specialised B2B supplier, ensures fast availability of the Needle Roller Inner Ring LR20X25X12.5 – SKU: LR20X25X12.5-ECO. Customers can easily add this item to their cart or request a quotation for bulk quantities to meet their specific requirements.

