B17-99D-2RS AB Sealed Alternator Ball Bearing 17mm x 52mm x 17mm B17-99D-2RS AB sealed alternator ball bearing, the inner diameter is 17mm, outer diameter is 52mm and the width is 17mm, Bearing is made of Chrome Steel. Item: B17-99D-2RS AB Ball Bearing Brand: Generic Type: Deep Groove Ball Bearing Material: Chrome Steel Closures: Rubber Seals Lubrication: Self Lubricated (Grease) Dimensions: 17mm x 52mm x 17mm/Metric Inner Diameter: 17mm Outer Diameter: 52mm Width: 17mm Size: 17 x 52 x 17 mm Quantity: One Bearing