High Precision Ball Bearing BNH017TU Nachi High Speed Angular Spindle Ball Bearing 15 degrees Contact Angle Abec-7 85mm x 130mm x 22mm Made in Japan BNH017TU Nachi High Speed Angular Spindle, Super precision Angular Ball Bearings with 15 degrees contact angle and Phenolic cage, bearing is ABEC-7 quality and made in Japan.