7218CYDUP4 Nachi Angular Ball Bearings High Precision Ball Bearings 15 degrees Contact Angle Abec-7 90mm x 160mm x 30mm Made in Japan 7218CYDUP4 Nachi high precision Angular pair of Ball Bearings with 15 degrees contact angle and Polyamide resin cage, pair of ball bearings is 2 duplex bearings, bearings are ABEC-7 (P4) quality and made in Japan.