Spherical Roller Bearing Bearing Industry Number 23230 Bore Diameter 150 mm Bore Type Cylindrical Cage Material Brass Closure Open For Environment Highly Dusty and Dirty Chemical Harsh Extreme High Temperature Maximum Speed 1 500 RPM Grease 1 900 RPM Oil Maximum Temperature 400 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 270 mm Overall Width 96 mm Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable System of Measurement Metric