Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Shields on both sides of the bearing keep the lubricant in and contaminants out4. Steel cage evenly spaces rollers for reduced friction, vibration, and noise5. The one-way bearings are used in any application that requires one direction rotation, such as textile machinery, printing machinery, automotive, household appliances, bill validator. Specifications:Model: CSK8PPMaterial:Bearing steelColor:Titanium ColorRated torque Tkn: 2.5 (Nm)Inner groove width: 2mmInner groove depth: 0.65mOuter groove width: 2mmOuter groove depth: 1mmSize:8x22x9mm/0.31x0.87x0.35inch(IDxODxT)Weight:17g Package include:1 x Bearing