Nachi Angular Ball Bearings 7018CYP5 90mm x 140mm x 24mm 15 Contact Angle Polyamide resin cage Abec-5 Made in Japan 7018CYP5 Nachi Angular Ball Bearings, 15 Contact Angle, Polyamide resin cage, Abec-5 Made in Japan, here are the dimensions of the 7018CYP5, the 7018CYP5 inner diameter is 90mm, the 7018CYP5 outer diameter is 140mm, 7018CYP5 width is 24mm.