The H 311 C Adaptor Sleeve with Lock Nut, manufactured by SKF, is a critical component within the realm of mechanical industrial applications. Designed with precision, this adaptor sleeve features dimensions of 50 mm bore diameter, 81 mm outer diameter, and 57.5 mm width. It is primarily utilized for mounting tapered bore bearings onto cylindrical shafts, offering a secure and adjustable fit. Ideal for various industrial settings, the SKF H 311 C Adaptor Sleeve ensures efficient alignment and load distribution for enhanced machinery performance.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 50 mm |
| Outer diameter (D) | 81 mm |
| Width (B) | 57.5 mm |
| Weight | 0.67 kg |
| Basic dynamic load rating (C) | Not applicable |
| Basic static load rating (C0) | Not applicable |
| Ring material | Steel |
| ISO / cross-reference equivalent code | H 311 C |
Technical advantages
The SKF H 311 C Adaptor Sleeve with Lock Nut offers several technical benefits that make it a preferred choice in industrial applications.
- Secure mounting of bearings on cylindrical shafts through precise taper fit.
- Adjustable positioning to achieve optimal alignment and load distribution.
- Constructed from robust steel, supporting durability under mechanical stress.
- Compatible with a wide range of bearing types, enhancing versatility in applications.
- Simple installation process reduces downtime and maintenance efforts.
Typical applications
The H 311 C Adaptor Sleeve with Lock Nut is suitable for a variety of industries and machinery types, ensuring versatility and adaptability.
- Textile machinery (spinning frames, looms)
- Mining equipment (crushers, conveyors)
- Pulp and paper industry (paper machines, winders)
- Steel and metal processing (rolling mills, presses)
- Food and beverage processing (mixers, conveyors)
Availability and ordering
Eurobearing.eu, a specialized B2B supplier, offers the SKF H 311 C Adaptor Sleeve with Lock Nut with fast availability. Businesses can easily add this product to their cart or request a quote for bulk quantities. Ensure your operations run smoothly by securing this essential component today.

