Angular Contact Ball Bearing, Bearing Industry Number 3201/5201, Bore Diameter 12 mm, Cage Material Polyamide, Closure Double Sealed, Contact Angle 30 Degrees , Contact Bearing Type Angular Contact, Lubricant Material Polyrex, Matched Bearing Type Not Matched/Single Bearing, Maximum Speed 15,000 RPM, Maximum Temperature 105 Degrees C, Minimum Temperature -20 Degrees C, Number of Rows Two, Outside Diameter 32 mm, Overall Width 15.9 mm, Ring Material Alloy Steel, Seal Type Contact