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KH Series: Compact Drawn Cup Linear Ball Bearings

    3D render of a compact KH series linear ball bearing with drawn cup outer ring, showing the internal recirculating balls, suitable for miniature industrial linear motion systems.

    In modern industrial design, space optimization is often as critical as mechanical load capacity. Compact linear ball bearings, specifically the KH Series (Drawn Cup type), provide a high-performance solution for applications where radial space is limited. At DISLAB, we supply professional-grade drawn cup linear bushings that allow for a smaller housing bore while maintaining the smooth, low-friction motion required for high-speed automation.

    The Advantages of Space-Saving Linear Motion

    The KH Series is distinct from standard linear bushings due to its thin-walled outer ring. Choosing these miniature linear motion components offers several strategic benefits for your assembly:

    • Minimal Radial Profile: The compact design allows for a significantly smaller outer diameter compared to LM series bearings, perfect for multi-axis systems with tight spacing.
    • Cost-Efficient Performance: By utilizing a drawn cup manufacturing process, the KH series offers a highly affordable linear bearing solution without compromising on precision.
    • High-Speed Recirculation: Features an integrated resin retainer that ensures smooth ball travel and quiet operation in high-cycle automation machinery.
    • Simplified Installation: These bearings are designed to be press-fitted into the housing, eliminating the need for complex retaining rings or expensive mounting blocks.

    Technical Configurations of the KH Series

    As a specialized industrial components supplier, DISLAB ensures our KH series meets the rigorous demands of global engineering projects:

    1. Standard KH Series: The ideal recirculating ball bushing for standard industrial environments, available in metric sizes from 6mm to 50mm.
    2. Sealed Version (KH..PP): Equipped with integrated lip seals on both ends to protect against dust and retain lubrication in harsh industrial conditions.
    3. High-Load Capacity: Despite their thin-walled structure, the optimized ball circuit design allows for reliable performance in light-to-medium load applications.

    Technical Specifications at a Glance

    Technical Feature Industrial Specification
    Outer Ring Structure Drawn Cup (Thin-Walled) for Radial Compactness
    Motion Precision High-Precision Recirculating Ball Rows
    Mounting Method Press-Fit (Simplifies Housing Requirements)
    Operating Speed Up to 3m/s (Depending on Lubrication and Load)
    Lubrication Compatibility Lithium-Based Grease or Standard Machine Oil

    Key Applications for Compact Linear Bushings

    Our wholesale KH series bearings are the preferred choice for engineers focusing on miniaturization and efficiency:

    • 3D Printers & Small CNCs: Perfect for desktop automation where reducing the footprint of the motion gantry is essential.
    • Laboratory Automation: Smooth and silent movement for test tube handling and automated sampling systems.
    • Electronic Assembly: High-speed pick-and-place heads requiring lightweight linear motion parts.
    • Textile Machinery: Compact bushings for intricate weaving and knitting machine mechanisms.

    Maximize Your Design Efficiency with DISLAB

    Precision in the lab leads to performance in the field. Whether you are looking for a compact linear bearing manufacturer or need to source bulk KH series bushings for a new product line, DISLAB provides the technical expertise and quality assurance your project demands.

    [Request a Technical Quote Today] to discuss your space-saving motion requirements with our engineering team.

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