Angular Contact Ball Bearing, Ball Material Alloy Steel, Bearing Industry Number 5200, Bore Diameter 10 mm, Cage Material Polyamide, Closure Double Shielded, Contact Bearing Type Angular Contact, Lubricant Material SRI 2 Grease, Polyrex EM Grease, Matched Bearing Type Not Matched/Single Bearing, Maximum Speed 19,000 RPM, Maximum Temperature 175 Degrees C, Minimum Temperature -40 Degrees C, Number of Rows Two, Outside Diameter 30 mm, Overall Width 14.3 mm, Ring Material Alloy Steel