KH PP Mini Compact Linear Bearings – KH0824PP to KH2030PP

JARBLUE KH PP Mini Compact Linear Bearings

Upgrade your precision motion systems with JARBLUE KH PP Mini Linear Bearings — compact, high-performance bearings engineered for smooth, low-friction linear movement in a space-saving design. Whether you're building CNC machines, 3D printers, robotics, or automation equipment, these bearings deliver reliable, repeatable performance in demanding applications.

Available in a range of sizes — KH0824PP, KH1026PP, KH1228PP, KH1428PP, KH1630PP, KH2030PP — so you can find the exact fit for your linear guide rail or round shaft setup.

Key Features

• Compact PP-Type Design: Space-efficient form factor ideal for tight assemblies and compact machinery.
• Precision-Ground Raceways: Delivers smooth, consistent linear travel with minimal play.
• Built-in Seals: PP-type polymer end seals help keep out contaminants and retain lubrication for longer service life.
• Wide Size Range: Six model options from KH0824PP through KH2030PP to suit various shaft diameters and load requirements.
• CE & RoHS Certified: Meets recognized safety and environmental standards — no high-concern chemicals.
• Customizable Options: Custom configurations available to meet specific project requirements.
• Lightweight Package: Ships at approximately 0.22 lb in a compact 1.97 × 3.94 × 3.94 in package — easy to store and handle.

Specifications

Compatible Applications

• CNC routers and milling machines
• 3D printers and additive manufacturing equipment
• Robotics and automated assembly lines
• Laser cutters and engravers
• Linear actuators and sliding mechanisms
• DIY precision motion projects

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Frequently Asked Questions

Q: What shaft diameters are compatible with KH PP mini linear bearings?

A: The KH PP series covers a range of shaft diameters depending on model. For example, the KH0824PP is designed for 8mm shafts, KH1026PP for 10mm, KH1228PP for 12mm, KH1428PP for 14mm, KH1630PP for 16mm, and KH2030PP for 20mm round shafts. Always match the bearing model number to your linear guide rail or round shaft diameter for the best fit and performance.

Q: What does "PP" mean in the KH PP linear bearing designation?

A: The "PP" designation indicates that the bearing is fitted with polymer (plastic) end seals on both sides. These seals help protect the internal ball retainer and raceways from dust, debris, and moisture, while also helping to retain lubrication — extending the operational lifespan of the bearing in typical workshop and industrial environments.

Q: Can these mini linear bearings be used in 3D printers and CNC machines?

A: Yes — KH PP compact linear bearings are a popular choice for 3D printers, CNC routers, laser engravers, and similar precision motion equipment. Their compact form factor makes them ideal where space is limited, and their smooth, low-friction travel helps ensure accurate, repeatable positioning in automated systems.

Q: Are custom sizes or configurations available?

A: Yes. JARBLUE KH PP mini linear bearings support custom configurations. If your project requires a specific size or specification not listed among the standard models, custom orders are available — contact us with your requirements for more details.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.