Angular Contact Ball Bearing, Bearing Industry Number 7204, Bore Diameter 20 mm, Cage Material PA66, Closure Open, Contact Angle 40 Degrees , Contact Bearing Type Angular Contact, Lubricant Material MT47 Grease, Matched Bearing Type Not Matched/Single Bearing, Maximum Speed 19,000 RPM, Maximum Temperature 100 Degrees C, Minimum Temperature -40 Degrees C, Number of Rows One, Outside Diameter 47 mm, Overall Width 14 mm, Ring Material Alloy Steel, System of Measurement Metric, ABEC Rating 3