The H 311 E Adaptor Sleeve with Lock Nut 50X81X61 by SKF is an essential component in the mounting of tapered bore bearings onto cylindrical shafts. This adaptor sleeve facilitates the secure and precise alignment of bearings, ensuring optimal functionality in various machinery. With a bore diameter of 50 mm, an outer diameter of 81 mm, and a width of 61 mm, it is specifically designed for robust industrial applications where reliable bearing performance is critical. Typical uses include heavy-duty rotating equipment in sectors such as mining, construction, and manufacturing.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 50 mm |
| Outer diameter (D) | 81 mm |
| Width / Thickness (B) | 61 mm |
| Weight | – |
| Basic dynamic load rating (C) | – |
| Basic static load rating (C0) | – |
| Cage type | – |
| Operating temperature range | -20 / +120 °C |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | – |
| Precision class | P0 / ABEC-1 |
| Internal clearance | – |
Technical advantages
The H 311 E Adaptor Sleeve with Lock Nut provides several technical benefits that enhance its application in industrial environments:
- Facilitates precise alignment of tapered bore bearings on cylindrical shafts, ensuring efficient operation.
- Constructed from durable chrome steel 100Cr6, offering significant resistance to wear and fatigue.
- Operates efficiently within a wide temperature range from -20°C to +120°C.
- Compatible with standard bearings, simplifying integration into existing systems.
- Precision class P0 / ABEC-1, suitable for general-purpose applications without stringent precision requirements.
Typical applications
This adaptor sleeve is widely utilized across various industries, highlighting its versatility and adaptability:
- Mining equipment (cone crushers, vibrating screens)
- Construction machinery (excavators, compactors)
- Manufacturing plants (conveyor systems, industrial mixers)
- Heavy-duty transportation (railway carriages, cargo ships)
- Pulp and paper industry (paper machines, pulp mills)
Availability and ordering
Eurobearing.eu is your trusted B2B supplier for the H311E-SKF adaptor sleeve, ensuring fast availability and efficient service. For bulk orders, you can easily request a quotation. Click “add to cart” to streamline your procurement process today.
