The H 312 Adaptor Sleeve with Lock Nut 55X86X60 from SKF is a crucial component designed to facilitate the mounting of bearings onto cylindrical shafts. This adaptor sleeve is a precision-engineered product with a bore diameter of 55 mm, an outer diameter of 86 mm, and a width of 60 mm. Primarily used in heavy machinery and industrial applications, it ensures secure and reliable bearing placement, enhancing operational efficiency. The SKF H 312 is widely employed in various industrial sectors due to its robust construction and ease of installation.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) in mm | 55 |
| Outer diameter (D) in mm | 86 |
| Width (B) in mm | 60 |
| Weight in kg | 1.35 |
| Basic dynamic load rating (C) in kN | 115 |
| Basic static load rating (C0) in kN | 125 |
| Operating temperature range (°C) | -20 to +120 |
| Ring material | Chrome steel 100Cr6 |
| ISO / cross-reference equivalent code | H312 |
Technical advantages
The SKF H 312 Adaptor Sleeve offers several technical advantages that make it an ideal choice for industrial applications:
- Designed for robust performance with a basic dynamic load rating of 115 kN, suitable for demanding environments.
- Constructed from high-grade 100Cr6 chrome steel, ensuring durability and resistance to wear.
- Compatible with operating temperatures ranging from -20°C to +120°C, accommodating a wide range of applications.
- Standardized ISO H312 cross-reference, facilitating easy replacement and integration into existing systems.
- Streamlined installation process with integrated lock nut, reducing assembly time and effort.
Typical applications
The SKF H 312 Adaptor Sleeve is utilized across a variety of industries and machinery, including:
- Construction equipment (excavators, cranes, loaders)
- Mining machinery (drilling rigs, conveyors, crushers)
- Marine engines (propulsion systems, winches, pumps)
- Steel and paper mills (rollers, rotating shafts, gear drives)
- Textile machinery (spinning frames, looms, dyeing equipment)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the SKF H312 Adaptor Sleeve with Lock Nut. With fast availability and competitive pricing, you can easily add this component to your cart or request a quotation for bulk quantities. Contact us today to enhance your machinery with precision-engineered components.

