High Precision Ball Bearing BNH009TU Nachi High Speed Angular Spindle Ball Bearing 15 degrees Contact Angle Abec-7 45mm x 75mm x 16mm Made in Japan BNH009TU Nachi High Speed Angular Spindle bearing, bearing is Super precision Angular with 15 degrees contact angle and Phenolic cage, bearing is ABEC-7 quality and made in Japan, inner diameter is 45mm, outer diameter is 75mm and width is 16mm.