Industrial TB-22 Pillow Block Bearing 1-3/8 Inch Bore

The SEALMASTER TB-22 pillow block bearing unit is a tapped-base, standard-duty mounted ball bearing housing designed for a 1-3/8 in shaft. Housed in a cast-iron TB-series shell, it features a two-bolt base, set-screw locking, and a felt labyrinth seal, with a 52100 bearing steel inner race and black oxide coating. Key dimensions and performance include a 1-3/8 in bore, 4-1/4 in overall length, 3-1/4 in bolt-center length, 1-7/8 in base-to-bore centerline, and 3-3/4 in overall height, along with a dynamic load rating of 5,782 lb, a maximum operating speed of 4,650 rpm, and a maximum operating temperature of 250°F. This non-expansion (fixed) unit is designed for reliable shaft support and straightforward bearing replacement in standard-duty industrial equipment.