61905-2Z Bearing 25x42x9 Shielded Ball Bearing61905 2Z Shielded Ball Bearing 25mm x 42mm x 9mm One Bearing 61905 2Z Shielded Ball Bearing, inner diameter is 25mm, outer diameter is 42mm and the width is 9mm, Bearing is made of Chrome Steel, bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearing is pre lubricated with grease. Item: 61905 2Z Ball Bearing Type: Deep Groove Ball Bearing Closures: Metal Shields Material: Chrome Steel Lubrication: Self