※ Instant purchase OK 【NSK (Nippon Seiko K.K.) Made-in-Japan High-Performance 520zz Ball Bearings - Set of 20】 Specs: MC2 Outer Diameter: 5.0mm Inner Diameter: 2.0mm Thickness: 2.5mm These are high-performance bearings with the least play and rolling resistance among the currently available 520 bearings. Since they have not been degreased, please perform basic maintenance such as cleaning with a cleaner and lubrication before use. The stock items are stored in a humidity-controlled storage according to the manufacturer's storage standards (see images 2 and 3). If you desire a quantity other than 20, please feel free to inquire in the comment section, and I will create a dedicated listing for you. 【Price by Quantity】 10 pieces: ¥1333 20 pieces: ¥2444 30 pieces: ¥3555 40 pieces: ¥4666 50 pieces: ¥5777 100 pieces: ¥11111 Discounts are available for multiple purchases of other products or the same product. Please inquire in the comment section. Search Keywords: Charger Discharger Carbon Pera Tires (Special Tires) Processing Flex Anodized Jig Mini 4WD