※ Instant purchase OK Currently on sale, reduced from 2555 yen to 1999 yen 【NMB (MinebeaMitsumi Inc.) High-Performance 520zz Ball Bearings - Set of 20】 Outer diameter: 5.0mm Inner diameter: 2.0mm Thickness: 2.5mm Since they have not been degreased, please perform basic maintenance such as cleaning and oiling with a cleaner before use. Stock items are stored in a humidity-controlled storage unit according to the manufacturer's storage standards (see images 2 and 3). If you wish to purchase a quantity other than 20, please feel free to inquire in the comment section, and we will create a dedicated listing for you. 【Sales Price by Quantity】 10 pieces: 1111 yen 20 pieces: 1999 yen 30 pieces: 2888 yen 40 pieces: 3777 yen 50 pieces: 4666 yen 100 pieces: 8888 yen Discounts are available for multiple purchases of other products or the same product, so please inquire in the comment section. Search terms: Charger Discharger Carbon Pera tires (Mini 4WD tires) Processing Flex (Mini 4WD chassis modification) Anodized Jig Mini 4WD