Angular Contact Ball Bearing Ball Material Ceramic Bearing Industry Number 7002 Bore Diameter 15 mm Cage Material Phenolic Closure Open Contact Angle 15 Degrees Contact Bearing Type Angular Contact Matched Bearing Type Duplex Maximum Speed 37 400 RPM Maximum Temperature 120 Degrees C Minimum Temperature -40 Degrees C Number of Rows One Outside Diameter 32 mm Overall Width 18 mm Ring Material Alloy Steel System of Measurement Metric ABEC Rating 7