6410-2RS Sealed Ball Bearing 50mm x 130mm x 31mm One Bearing 6410-2RS Sealed Ball Bearing, 6410-2RS is a popular size that could be used in many applications, 6410-2RS Bearing is made of Chrome Steel,bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination,6410-2RS bearing is pre-lubricated with grease.