Contents and construction - 2 to 5 pieces of POM bearings including types 603 and 609, plus 5 pieces of POM606 bearings sized 6x17x6 mm - Built with glass balls, nylon cages and plastic ball bearings - The product name lists the bearing components for clear identification Key benefits - POM material provides low friction, light weight and good dimensional stability for precise movement - Glass balls and nylon cages offer smooth operation and durable performance in compact assemblies - Includes multiple sizes and types for interchangeable use and flexibility Specifications at a glance - POM606 bearings: 5 pieces, dimensions 6x17x6 mm - Additional bearings: 2 to 5 pieces of POM bearings including types 603 and 609 - Construction: glass balls, nylon cages, plastic ball bearings Compatibility and performance - Suitable for small, low-load precision applications where compact, lightweight bearings are required - Designed for interchangeability with components expecting POM material and similar size ranges - Reliable for steady, low-friction rotation in tight tolerances Use scenarios - 3D printer: smooth axis movement in small z-axis or extrusion assemblies - Hobby robotics: compact joints and sliders requiring precise, low-friction bearings - Model making and consumer electronics: precision components in sliding mechanisms or camera sliders This set provides a ready-to-use selection of POM ball bearings with detailed component and size information to support precise, low-friction applications.