Angular Contact Ball Bearing Bearing Industry Number 3210/5210 Bore Diameter 50 mm Cage Material PA66 Closure Double Sealed Contact Angle 30 Degrees Contact Bearing Type Angular Contact Lubricant Material GA13 Lubricant Matched Bearing Type Not Matched/Single Bearing Maximum Speed 7 800 RPM Maximum Temperature 100 Degrees C Minimum Temperature -20 Degrees C Number of Rows Two Outside Diameter 90 mm Overall Width 30.2 mm Ring Material Alloy Steel Seal Type Contact