Adapter sleeve H 3144 ZKL



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Product detailed description
The SKF H 3144 adapter sleeve is a precision-engineered component that simplifies the assembly of bearings with a tapered bore onto cylindrical shafts. It is particularly useful for applications involving plain or stepped shafts, ensuring accurate alignment and secure positioning of the bearing.
Technical Specifications:
- Bore Diameter (d): 200 mm
- Outer Diameter (D): 280 mm
- Overall Length (L): 161 mm
- Thread Size (Tr): Tr220x4
- Taper: 1:12
- Lock Nut: HM44T
- Lock Washer: MB44
- Material: Steel
- Weight: Approximately 15.46 kg
Features:
- Easy Installation: Designed for straightforward mounting, reducing assembly time and complexity.
- Complete Set: Supplied with a lock nut and lock washer, ensuring all necessary components are included for secure installation.
- High Precision: Manufactured to exacting standards to provide accurate alignment and reliable performance.
- Durable Construction: Made from high-quality steel to withstand the demands of industrial applications.
This adapter sleeve is ideal for industries requiring robust bearing support, contributing to prolonged equipment lifespan and reduced maintenance needs. Its compatibility with various shaft sizes and ease of installation make it a versatile choice for many applications.

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ZKL Bearings and Transmission Technology Manufacturer
ZKL is a renowned manufacturer specializing in the production of high-quality bearings and advanced transmission technology solutions. With a rich history and commitment to innovation, ZKL has established itself as a key player in the global bearing industry.
Company History
Founded in 1947, ZKL has grown from a small manufacturer into one of the leading European producers of rolling bearings. Over the decades, the company has continuously invested in modern production technologies and research & development to maintain its competitive edge and deliver superior products to various industries worldwide.
Product Range
ZKL offers a comprehensive range of bearing products and transmission components designed for durability, precision, and high performance:
- Deep Groove Ball Bearings – versatile bearings suitable for various applications.
- Roller Bearings – including cylindrical roller bearings and spherical roller bearings for heavy load capacity.
- Needle Roller Bearings – optimized for space-constrained applications requiring high load capacity.
- Special Bearings and Customized Solutions – tailored bearings designed to meet unique industry requirements.
- Transmission Components – precision parts used in a variety of mechanical transmission systems.
Main Focus and Technologies
ZKL focuses on delivering reliable and innovative bearing solutions that cater to demanding operational conditions. The company emphasizes:
- Material excellence and cutting-edge manufacturing processes to ensure product longevity.
- Advanced heat treatment and sealing technologies for enhanced bearing performance.
- Customization and flexibility to accommodate specific customer needs across different sectors.
Application Areas
ZKL bearings and transmission products are widely used in a diverse range of industries, including:
- Automotive and transportation
- Industrial machinery and equipment
- Energy sector, including wind turbines and power plants
- Engineering and manufacturing processes
- Railway and aerospace technologies
Company Headquarters
ZKL is headquartered in Plzeň, Czech Republic. From this strategic location, the company serves a broad international market, combining traditional European manufacturing quality with modern technological standards to meet the evolving needs of its customers.