The H 306 Adaptor Sleeve with Lock Nut, produced by SKF, is a vital component in the realm of mechanical industrial applications. Specifically designed for use with tapered bore bearings, this adaptor sleeve facilitates the secure mounting of bearings onto cylindrical shafts. Featuring precise dimensions of 25 mm bore diameter, 49 mm outer diameter, and 40 mm in width, the H 306 is engineered to meet the rigorous demands of various industrial settings. This component is an essential part of machinery setups, ensuring the efficient and reliable operation of bearings in heavy-duty applications.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 25 mm |
| Outer diameter (D) | 49 mm |
| Width (B) | 40 mm |
| Weight | 0.36 kg |
| Basic dynamic load rating (C) | 13.5 kN |
| Basic static load rating (C0) | 10.3 kN |
| Material | Steel |
| Lock Nut | M 30×1.5 |
| ISO / cross-reference equivalent code | H306 |
Technical advantages
The H 306 Adaptor Sleeve with Lock Nut offers several technical advantages that enhance its functionality in industrial applications.
- Facilitates easy mounting and dismounting of bearings on cylindrical shafts, reducing installation time.
- Steel construction ensures robust performance under heavy loads, with a basic dynamic load rating of 13.5 kN.
- Compatible with a wide range of tapered bore bearings, enhancing versatility in application.
- The lock nut M 30×1.5 provides secure fitment, preventing slippage during operation.
- Standard ISO H306 equivalent ensures compatibility across different systems and ease of replacement.
Typical applications
The H 306 Adaptor Sleeve with Lock Nut is essential in various industrial sectors, providing reliable performance in numerous machine types:
- Pulp and paper industry (paper machines, dryers, winders)
- Mining equipment (conveyors, crushers, ball mills)
- Steel manufacturing (rolling mills, continuous casters)
- Cement production (kilns, crushers, conveyors)
- Marine propulsion systems (gearboxes, propeller shafts)
Availability and ordering
Eurobearing.eu, as a specialized B2B supplier, ensures fast availability of the H306-SKF Adaptor Sleeve with Lock Nut. For bulk quantities, request a quote through our platform. Add this essential component to your cart today to enhance your machinery’s performance.

