NSK 6308ZZ Deep Groove Ball Bearing 40x90x23mm Product Description Bearing model:6308ZZ Inner Diameter (ID):40mm Outer diameter (OD):90mm Width/Height: 23mm Material: chrome steel (GCR15) Number of Row: single row Clearance:C0/C3 Seals type: open Lubrication: self Lubricated (Grease) HS Code: 8482102000 Packaging Details: industrial packing+ carton +wooden pallet Feature Deep groove ball bearing usually with simple and easy structure, so it is also easier for maintenance. It\'s mainly used for carrying radial load, also can endure certain amount of axial load, deep groove ball bearing is widely used in many machinery industry.