Non Standard 25x40x9/10 Special Size Sealed Bearing 25mm x 40mm x 9mm or 10mmNon Standard Special Sealed Bearing 25mm x 40mm x 9mm or 10mm One Bearing Non Standard sealed ball bearing, the inner diameter is 25mm, outer diameter is 40mm and the width is 9mm or 10mm, Bearing is made of Chrome Steel. Item: 25409 Ball Bearing Type: Non Standard Special Ball Bearing Material: Chrome Steel Closures: Seals ( Seals could be Rubber or Metal) Lubrication: Self Lubricated (Grease) Dimensions: 25mm x 40mm x 9mm Metric Inner Diameter: 25mm