Size C Ball Bearings R188

Size C Ball Bearings, also known as size R188, R188Z etc. Steel, ceramic and chrome ball bearings in a variety of designs including flat, concave (KK) and groove. These quality ball bearings are suitable for yo-yos, fidget spinners and many other toys and gadgets. Be sure to select the correct size for your application.

Size: .250 x .500 x .187 inches (inside x outside x width)