The SKF H 3120 Adaptor Sleeve with Lock Nut is an essential component in the realm of industrial machinery, specifically designed for secure and precise mounting of bearings with a tapered bore. Known for its critical role in ensuring stability and alignment, this adaptor sleeve features a bore diameter of 90 mm and an outer diameter of 142 mm, with a width of 76 mm. Typically utilized in heavy-duty applications, this component is indispensable in industries requiring robust and reliable bearing assemblies.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 90 mm |
| Outer diameter (D) | 142 mm |
| Width (B) | 76 mm |
| Weight | 6.77 kg |
| 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 | H 3120 |
Technical advantages
The SKF H 3120 Adaptor Sleeve with Lock Nut stands out due to its precise engineering and compatibility with various machinery setups. The following advantages emphasize its technical merit:
- Secure positioning of bearings with tapered bores, mitigating the risk of misalignment.
- Optimized bore diameter of 90 mm for effective load distribution.
- Manufactured with high-grade materials to withstand demanding industrial environments.
- Designed for seamless integration into existing systems, enhancing operational efficiency.
- Open design allows for regular maintenance and inspection without disassembly.
Typical applications
The SKF H 3120 Adaptor Sleeve with Lock Nut is widely utilized across multiple sectors, where the secure fixing of bearings is crucial. Typical applications include:
- Heavy machinery and construction equipment (cranes, excavators)
- Mining and mineral processing (conveyor systems, crushers)
- Steel and metal processing (rolling mills, steel production lines)
- Marine and shipbuilding (propulsion systems, winches)
- Paper and pulp industry (paper machines, pulp refiners)
Availability and ordering
At Eurobearing.eu, we are committed to providing specialized B2B solutions for your industrial component needs. The SKF H 3120 Adaptor Sleeve with Lock Nut is readily available for fast delivery. For bulk quantities, request a quote to receive competitive pricing. Add to cart now or contact us for further inquiries.

