Pillow blocks from Quality Bearings & Components, Garden City Park, NY, feature both locking collar and set screw types. Designated the BBXBLK-HCP and BBXBLK-UCP Series, the blocks have cast iron housings and are designed to fit shafts ranging from 1/2 to 3-1/2in. in diameter. The height from the bottom of the unit to the shaft centerline ranges from 1-3/16 to 4in. These standard-duty units incorporate one lubrication fitting.