High Precision Ball Bearings BNH011TU/GLP4L40060 Nachi Angular Ball Bearings Abec-7 55mm x 90mm x 18mm Made in Japan BNH011TU/GLP4L40060 Nachi high precision Angular pair of Ball Bearings with 15 degrees contact angle and Polyamide resin cage, pair of ball bearings are 2 duplex bearings, bearings are ABEC-7 (P4) quality and made in Japan.