Introduction
The KH linear bearing series, as a stamped compact core component for linear motion, has become a preferred linear motion solution in the fields of industrial automation and precision equipment due to its streamlined design, excellent performance, and outstanding cost-effectiveness. This series of bearings is specifically designed for use with cylindrical shafts, enabling high-precision linear reciprocating motion over unlimited travel distances. Its lightweight and low-friction characteristics perfectly balance operational efficiency and usage costs, making it suitable for a wide range of applications, from general industrial machinery to high-end precision instruments.
Product Parameters
We offer a complete range of linear bearing products. For customized products, you can contact us.
Core Advantages
KH Linear Bearings adopt precision stamped outer rings with excellent compactness. Its KH0622 (inner diameter 6mm, outer diameter 12mm, length 22mm, weight 7g) and KH1026 (weight 14.5g) are compact, 15%-20% smaller than traditional ground outer ring bearings under the same load, saving space for lightweight equipment.
Its economy is notable. With a stamped outer ring, its purchase cost is 30%-50% lower than same-size ground outer ring bearings. It has low maintenance needs, standardized dimensions, good interchangeability and low failure rate (e.g., KH25 operates stably long-term), reducing maintenance and downtime losses.
It is highly efficient. Its steel ball circulation structure has a friction coefficient of 0.001-0.003 and transmission efficiency over 95%; KH15 supports 40kg, KH25 supports 160kg, with ±0.01mm repeat positioning accuracy, suitable for frequent start-stops and boosting equipment rhythm.
This bearing integrates compactness, economy and high efficiency. With excellent overall performance-15%-20% smaller size, 30%-50% lower cost, over 95% transmission efficiency, ±0.01mm accuracy and 40kg-160kg load capacity-it is ideal for light to medium load linear motion systems.
Applications:
Thanks to its core characteristics of high precision, low friction, and strong adaptability, the KH series linear bearings are widely used across diverse fields including industrial automation, precision machining, scientific instruments, medical and public facilities, and general logistics. They provide stable and accurate linear motion support for equipment such as robotic arms, CNC machines, 3D printers, and CT scanners, while also meeting the high-frequency reciprocal operational needs of general machinery like food packaging machines, printing machines, and warehouse shuttle systems.
Service Model
Standard Product Supply:
Offers in-stock products with delivery within 3-7 days;
Custom Solutions:
From requirement communication → solution design → sample testing → mass production, the entire process is supported by a dedicated technical contact;
After-Sales Support:
Provides product installation guidance, a 1-year warranty (excluding man-made damage), and rapid response service for malfunctions.
Our Factory
Xuxin Automation: Your Premier One-Stop Manufacturer for High-Precision Motion Components
we specialize in the R&D and manufacturing of custom non-standard lead screws and nuts. With our 13,000 m² state-of-the-art facility, we deliver highly reliable industrial automation solutions tailored to your exacting requirements.
Production Area
Advanced Equipment
Experienced Team
Annual Output
Why Choose Us?
Exceptional Non-Standard Customization Capabilities
In-house R&D: Our professional engineering team possesses decades of deep-seated expertise in the lead screw and nut industry.
On-Demand Development: Whether you require specialized leads, unique materials, or complex structures, we provide bespoke manufacturing based on your technical drawings (PDF, CAD, or 3D models).
Rigorous Quality Control & Manufacturing
High-Precision Machining: Leveraging our fleet of 80 CNC machines and precision grinding centers, we ensure every component achieves micron-level accuracy.
Full Supply Chain Integration: From raw material processing and heat treatment to precision grinding and final inspection, the entire process is completed in-house. This end-to-end control guarantees stable lead times and uncompromising quality.
FAQ
1. Q: What do the different parts of the KH linear bearing model represent? What are the common specifications?
A: "KH" is the series code for this mini stamped linear bearing, and the suffix "PP" indicates a double-sealed structure. The numbers in the middle of the model correspond to the key dimensions of the bearing (inner diameter × outer diameter × length, in mm). There is a wide range of common specifications, such as KH0622 (6×12×22), KH1026 (10×17×26), KH2030PP (20×28×30), KH5070PP (50×62×70), covering multiple inner diameters from 6mm to 50mm.
2. Q: What are the core structural advantages of KH linear bearings?
A: It features a stamped outer ring, resulting in a very compact overall structure. Among all types of linear bearings, it is one of the more ingeniously designed models, particularly suitable for applications with strict installation space limitations. Internally, it is equipped with a rigid steel cage that guides the movement of the steel balls stably, and some models have self-aligning features to slightly compensate for alignment errors during installation. Double-sealed models (with the PP suffix) effectively prevent dust and other debris from entering, while non-sealed models are advantageous for high-temperature applications, meeting different operational requirements.
3. Q: What could cause unusual noise during the operation of a KH bearing, and how can it be resolved?
A: The most likely cause is insufficient lubrication, in which case compatible grease should be added. For double-sealed models, the seals may wear out and allow dust to enter, requiring seal replacement and cleaning of the bearing interior. In addition, wear on the guide shaft surface can also cause noise. If the shaft has scratches or rust, it should be polished and repaired, or replaced if severely damaged.
4. Q: What should be checked if a KH bearing experiences jamming during operation?
A: First, disassemble the bearing to check whether metal debris or other foreign objects are obstructing the raceway. Clean with anhydrous ethanol, reassemble, and apply grease. If jamming persists, check whether the steel cage is deformed. Due to the brittleness of the stamped outer ring and cage material, impacts can easily deform them; in this case, the bearing should be replaced outright. Also, inspect the installation alignment, as excessive deviation can cause jamming and may require recalibration.
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