Angular Contact Ball Bearing Ball Material Alloy Steel Bearing Industry Number 7217 Bore Diameter 85 mm Cage Material Brass Closure Open Contact Angle 40 Degrees Contact Bearing Type Angular Contact Lubricant Material Grease Oil Matched Bearing Type Not Matched/Single Bearing Maximum Speed 4 000 RPM Maximum Temperature 120 Degrees C Minimum Temperature -40 Degrees C Number of Rows One Outside Diameter 150 mm Overall Width 28 mm Ring Material Alloy Steel