Shielded miniature Ball Bearing, this is a popular size that could be used in many applications, the inner diameter is 3/8" inch, outer diameter is 7/8" inch and the width is 9/32" inch, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease and bearing is made of Chrome Steel.
Type: Deep Groove Ball Bearing Closures: Metal Shields Lubrication: Self Lubricated (Grease) Dimensions: 3/8" inch x 7/8" inch x 9/32" inch English Size ID (inner diameter)/Bore: 3/8" inch OD (outer diameter): 7/8" inch Width/Height/thickness: 9/32" inch Dynamic load rating: 333.2 KGF Static load rating: 142.2 KGF