Precision Rolling Bearing 7011CYP4 Nachi Angular Ball Bearing 15 degrees Contact Angle Polyamide resin cage Abec-7 55mm x 90mm x 18mm Made in Japan 7011CYP4 Nachi Angular Ball Bearing, Bearing is Precision Rolling, bearing is 15 degrees Contact Angle, Polyamide resin cage and Abec-7, Made in Japan, inner diameter is 55mm, outer diameter is 90mm and width is 18mm.