6201ZZ Shielded Ball Bearing 12 x 32 x 10 mm One Bearing 6201ZZ Shielded Ball Bearing, the 6201ZZ inner diameter is 12mm,the 6201ZZ outer diameter is 32mm and the 6201ZZ width is 10mm, Bearing is made of Chrome Steel,6201ZZ bearing has 2 Metal Shields to protect the bearing from dust or any possible contamination,6201ZZ bearing is pre-lubricated with grease.