The KHS-L SC20UUOP linear motion slide unit by KHS-LG (KHS Innovation & Engineering) is a robust assembly that combines a standard linear bushing with a precision-machined aluminium case. Unlike standard closed-type bearings, this open-type variant is specifically designed to work with supported linear rails, allowing the block to glide over the shaft’s mounting supports without interference.
Key Features and Specifications:
Dimensions & Fit: Designed for a 20mm bore diameter (d), with a housing width (W) of 48mm, length (L) of 50mm, and height (H) of 39mm.
High-Quality Construction: The unit utilizes high-carbon chromium bearing steel for the internal balls and raceways to ensure maximum wear resistance, while the outer body is made from high-density aluminium alloy with a surface oxidation treatment for corrosion protection.
Low Friction & High Precision: The recirculating ball mechanism provides minimal frictional resistance, enabling high-speed operation (up to 32,000 rpm in certain conditions) and high positioning accuracy with minimal noise.
Load Management: The open design allows it to handle substantial loads by utilizing supported shafts that do not flex under weight. It features a synthetic resin retainer for stable ball guidance.
Easy Installation: The block includes four pre-tapped M6 mounting holes, allowing it to be easily bolted directly to a machine table or carriage.
Environmental Protection: It typically comes equipped with double rubber seals at both ends to prevent the ingress of dust, metal chips, and contaminants, thereby extending the bearing’s service life.
This bearing is widely used in robotics, automated inspection lines, and precision measuring equipment across industrial sectors in India.
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Linear Motion Bearing SC20UUOP Make KHS-LG
The KHS-L SC20UUOP is a 20mm open-type linear ball bearing slide block engineered for use on supported shafts. It features a high-grade aluminium housing for lightweight durability and a recirculating ball system that ensures smooth, low-friction movement. The “OP” (Open Type) design allows the bearing to traverse shafts with continuous longitudinal supports, preventing shaft deflection over long spans. It is an ideal, cost-effective solution for CNC machines, 3D printers, and industrial automation systems requiring precise straight-line motion.