10pcs 685 zz 685zz 5*11*5mm miniature bearings ball mini bearing 5x11x5mm<br /><br />specifications:<br />product name:miniature bearings<br />condition: 100% <br />inner diameter:5mm<br />outer diameter:11mm<br />thickness:5mm<br />material:steel<br />model:685zz<br /><br />package included:<br />10x miniature bearings<br /><br />note:<br />-we provide clear pictures， measurements where possible. please check as much as possible to make sure the item is the one that you need.<br />-all dimensions are measured by hand， please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm).<br />-there are no instructions included in this kit.professional installation is highly recommended!