Nachi Angular Ball Bearings 7009CYP5 45mm x 75mm x 16mm 15 Contact Angle Polyamide resin cage Abec-5 Made in Japan 7009CYP5 Nachi Angular Ball Bearings, 15 Contact Angle, Polyamide resin cage, Abec-5 Made in Japan, here are the dimensions of the 7009CYP5, the 7009CYP5 inner diameter is 45mm, the 7009CYP5 outer diameter is 75mm, 7009CYP5 width is 16mm.