High Precision Ball Bearing BNH010TU Nachi High Speed Angular Spindle Ball Bearing 15 degrees Contact Angle Abec-7 50mm x 80mm x 16mm Made in Japan BNH010TU Nachi High Speed Angular Spindle, Bearing is Super precision Angular with 15 degrees contact angle and Phenolic cage, bearing is ABEC-7 quality and made in Japan.