Flange Mount Bearing, Bearing Insert Material Alloy Steel, Bearing Insert Type Radial Ball, Bore Diameter 20 mm, Bore Type Cylindrical, Center Height Not Applicable, Closure Double Sealed, Expansion Type Fixed, Housing Material Cast Iron, Housing Type Rhombus, Included Bearing UC204-20MM, Lubricant Material NLGI #2 Equivalent, Maximum Speed 5, 000 RPM Grease, Maximum Temperature 248 Degrees F, Minimum Temperature -40 Degrees F, Mount Hole Center-to-Center Height Not Applicable. This item has been restricted from sale in the following state (s): []