Miniature 608-2RS ball bearing, size: 8x22x7mm The double-sided rubber sealing cover effectively blocks dust, water stains, and debris from entering, ensuring the cleanliness of the bearing interior and extending its service life. Precise structural design reduces friction loss, operates smoothly and with low noise, and assists in the efficient output of equipment. Suitable for various equipment such as skateboards, roller skates, handcarts, small motors, etc., to meet daily sports and industrial lightweight needs. Crafted with strict production standards, tested at tens of thousands of revolutions per minute, it is durable, resistant to pressure and wear, and has stable and reliable performance. 【 Model】608-2RS 【 Material 】 High carbon chromium steel (GCr15) 【 Sealing 】 Double sided rubber seal 【 Size】Inner diameter 8mm x Outer diameter 22mm x Thickness 7mm