High Precision Ball Bearing 7203CYP4 Nachi Angular Ball Bearing 15 degrees Contact Angle Abec-7 17mm x 40mm x 12mm Made in Japan 7203CYP4 Nachi high precision Angular Ball Bearing with 15 degrees contact angle and Polyamide resin cage, bearing is ABEC-7 (P4) quality and made in Japan, inner diameter is 17mm, outer diameter is 40mm and width is 12mm.