Angular Contact Ball Bearing Bearing Industry Number 3204/5204 Bore Diameter 20 mm Cage Material Steel Closure Double Sealed Contact Angle 30 Degrees Contact Bearing Type Angular Contact Lubricant Material GA14 Lubricant Matched Bearing Type Not Matched/Single Bearing Maximum Speed 16 100 RPM Maximum Temperature 100 Degrees C Minimum Temperature -20 Degrees C Number of Rows Two Outside Diameter 47 mm Overall Width 20.6 mm Ring Material Alloy Steel Seal Type Contact