■ ■ Model Number: 608 outer diameter: 22 Diameter: 8 thickness: 7 model number: 24 outer diameter: inner diameter: 9 thickness: 7 (unit: mm) * Please check the top of your bearing sizes (please check the inner diameter, outer diameter:) Buy with confidence. * Color of the product may look different depending on the type of computer monitors, and display. Product Details, Logo, etc to the improved design is different, please understanding. May be altered to digital images