608ZZ ball bearings, size 8 x 22 x 7 mm (bore 8 mm, outer diameter 22 mm, width 7 mm). Pack of 10 pieces. Key benefits - Smooth rotation: designed to reduce friction and provide reliable, consistent performance in small assemblies. - Compact and precise: miniature dimensions suited for precise machinery and space-constrained projects. - Versatile compatibility: suitable for 8 mm shaft applications and common small components used in hobby builds. Why you need these - Improve reliability and spin in small equipment such as 3D printer parts and compact mechanisms. - Maintain smooth operation in wheels and moving assemblies where space is limited. Specifications to note - Model: 608ZZ - Dimensions: 8 x 22 x 7 mm - Pack size: 10 bearings Compatible applications and use scenarios - 3D printer components: replace bearings in small axes, linear guides, spool holders, or other compact moving parts to restore smooth motion. - Skate wheels: upgrade or refresh bearings in skateboard and inline skate wheels to enhance spin and reduce resistance. - Hobby and small robotics: ideal for compact projects and RC models that require an 8 mm bore bearing in tight spaces. Performance and durability - Provides steady rotation and dependable support for high-speed or low-load applications common in hobby and light-duty professional use. This description preserves the original product specifications and functions while presenting clear, benefit-focused details for informed purchasing decisions.