S694ZZ Stainless Steel Shielded ABEC-3 Ball Bearing,S694ZZ is a popular item that could be used in many applications that uses this size 4mm x 11mm x 4mm, each S694ZZ bearing is closed with 2 Metal Shields, one Shield from each side to protect the bearing from dust or any possible contamination, also S694ZZ bearing is pre-lubricated with Oil, S694ZZ has industrial packaging.