The H 3128 L Adaptor Sleeve with Lock Nut 125x172x121 – SKF is a precision-engineered component designed for facilitating the secure mounting of bearings with a tapered bore onto cylindrical shafts. Manufactured by SKF, a leading name in the bearings industry, this adaptor sleeve ensures efficient load distribution and ease of assembly. With main dimensions of 125 mm bore diameter, 172 mm outer diameter, and a width of 121 mm, it is typically utilized in heavy-duty industrial applications where precise alignment and robust performance are critical.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 125 mm |
| Outer diameter (D) | 172 mm |
| Width (B) | 121 mm |
| Weight | Not specified |
| Basic dynamic load rating (C) | Not specified |
| Basic static load rating (C0) | Not specified |
| Limiting speed | Not specified |
| Reference speed | Not specified |
| Cage type | Not specified |
| Shielding / Sealing | Open |
| Operating temperature range | Not specified |
| Ring material | Not specified |
| Factory lubrication | Not specified |
| Precision class | Not specified |
| Internal clearance | Not specified |
| ISO / cross-reference equivalent code | Not specified |
Technical advantages
The H 3128 L Adaptor Sleeve with Lock Nut offers several technical benefits that enhance its utility in industrial settings:
- Facilitates secure and accurate mounting of bearings with tapered bores onto cylindrical shafts
- Open design allows for straightforward inspection and maintenance
- Standard size compatibility with SKF bearings for streamlined operations
- Precision engineering ensures consistent performance under varying load conditions
- Robust construction supports heavy-duty applications in industrial environments
Typical applications
This adaptor sleeve is widely used across various industrial sectors, including:
- Heavy machinery (crushers, conveyors, mixers)
- Automotive manufacturing (drive shafts, transmission systems)
- Agricultural equipment (tractors, harvesters, balers)
- Mining operations (drilling rigs, ore crushers, conveyor belts)
- Construction machinery (excavators, loaders, bulldozers)
Availability and ordering
Eurobearing.eu offers the H 3128 L Adaptor Sleeve with Lock Nut for fast, reliable delivery. As a specialized B2B supplier, we provide quick access to SKF components. Businesses can easily add this product to their cart or request a quotation for bulk quantities, ensuring an efficient procurement process.

