6813ZZ Shielded Ball Bearing 65mm x 85mm x 10mm 6813ZZ Shielded Ball Bearing, this is a popular size that could be used in many application that uses this size 65mm x 85mm x 10mm, these bearing is made of Chrome Steel, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.