Bearing Unit, Bearing Insert Material Alloy Steel, Bearing Insert Type Radial Ball, Bore Diameter 1 in, Closure Double Sealed, Housing Material Rubber, Lubricant Material NLGI #2 Equivalent, Maximum Temperature 220 Degrees F, Minimum Temperature -20 Degrees F, Outside Diameter 2 17/32 in, Overall Width 1.281 in, Rolling Element Rows 1, Seal Type Contact, Shaft Locking Type Set Screws, System of Measurement Inch, Application HVAC, Bearing Material Grade 52100