Self-Aligning Ball Bearing Bearing Industry Number 2208 Bore Diameter 40 mm Outside Diameter 80 mm Outer Ring Width 23 mm Ring Material Alloy Steel Bore Type Cylindrical Closure Double Sealed Cage Material Thermoplastic System of Measurement Metric ABEC Rating 1 Ball Material Alloy Steel Ball Material Grade 100Cr6 Dynamic Radial Load Capacity 19 400 N Lubricant Material Grease Maximum Speed 4 950 RPM Maximum Temperature 100 Degrees C Minimum Temperature -20 Degrees C