Tocekat 10PCS 693ZZ Ball Bearings Assortment kit for 3D Printers 3x8x4mm Double Shield Miniature Groove Suitable, Skateboard Bearing Inline Skates Scooters

Material: These miniature bearings are crafted from bearing steel. This material has low noise operation, making them ideal for applications requiring precision and reliability Double-Shielded Design for Protection: The bearings feature a double-shielded construction. This design also helps retain lubricant, reducing the need for frequent maintenance Versatile Applications: With a 3mm inner diameter, 8mm outer diameter, and 4mm thickness, these bearings are sized for small hobby projects involving 3mm shafts or rods. Their dimensions make them suitable for a wide range of applications, from 3D printers to quadcopters and ship models Ideal for Hobbyist and DIY Projects: These miniature bearings are a great choice for hobbyists and DIY enthusiasts working on small-scale projects. Their compatibility with 3mm shafts/rods allows for seamless integration into various designs, enabling the creation of functional models Multiple Uses: Each package includes a total of 10 miniature bearings, providing ample supply for numerous projects. Whether you're building a 3D printer, quadcopter, or ship model, these bearings offer the versatility and reliability needed to bring your ideas to life