railbox with bearingballs 4,5MM

i design a remix of this beautiful box this box is a little bit larger , but smoother drawer i use ball bearings from 4,5mm ( can order alieexpress - https://nl.aliexpress.com/item/1005009136606910.html?spm=a2g0o.order_list.order_list_main.5.6bc25e5bbU2NGm&gatewayAdapt=glo2nld) and with a little bit kichen-oil it will be very smooth