2 Bolt Flange Bearing Back Side to Center Width 0.591 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 3/4 in Bore Type Cylindrical Center Height 1 3/16 in Closure Single Sealed Expansion Type Fixed For Environment Highly Dusty and Dirty Housing Material Cast Iron Housing Type Rhombus Included Bearing WJB SB204-16G Insert Bearing Lubricant Material Chevron SRI 2 NLGI #2 Equivalent Maximum Speed 7 300 RPM Grease Maximum Temperature 200 Degrees F