Spherical Roller Bearing Bearing Industry Number 22315 Bore Diameter 75 mm Bore Type Cylindrical Cage Material Steel Closure Open For Environment Highly Dusty and Dirty Chemical Harsh Extreme High Temperature Maximum Speed 2 900 RPM Grease 3 600 RPM Oil Maximum Temperature 400 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 160 mm Overall Width 55 mm Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable System of Measurement Metric