7218CYDUP4 Nachi Angular Contact Bearing 90x160x30 ABEC-7 Bearing Inner Diameter - 1/2 inch (0.5") S6800-2RS bearing is sealed and

S6800-2RS bearing is sealed and self lubricated

Deep Groove ball bearings having an outside diameter less than 9 mm are known as Miniature ball bearings

SR168ZZ Stainless Steel Ball Bearing

5/16" x 7/8" x 11/32" inch

7218CYDUP4 Nachi Angular Contact Bearing 90x160x30 ABEC-7 Bearing Inner Diameter - 1/2 inch (0.5") S6800-2RS bearing is sealed and7218CYDUP4 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. 7218CYDUP4 Angular Ball Bearings Nachi Angular Ball Bearings Cage: Polyamide resin cage Quality: ABEC 7 (P4