High Precision Ball Bearings 7009CYDUP4 Nachi Angular Ball Bearings 15 degrees Contact Angle Abec-7 45mm x 75mm x 16mm Made in Japan 7009CYDUP4 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.