This SEALMASTER pillow block bearing: 1-3/4" bore cast iron set screws 2-1/8" shaft h is a precision bearing in industrial equipment. It supports rotating or oscillating shafts while minimizing friction, allowing smooth rotation under radial and/or axial load. Key specifications noted on this listing include 1-3/4" Bore. It is commonly in pumps, fans, and industrial drivetrains.
