A pillow block supports a shaft directly on its bore. It has a sleeve or anti-friction bearing mounted on its bore which supports the shaft. The simplest type of pillow block is the split cast iron or brass model, which, as shown above, (See Figure 1.7) supports a shaft directly in its bore. Another type of pillow block supports the shaft in a bronze sleeve bearing that has been assembled in its bore.(See Figure 1.8)
PILLOW BLOCKS – ANTI-FRICTION BEARING
An anti-friction bearing pillow block consists of a ball or roller bearing with its spherical outside diameter mounted in a cast iron housing. The spherical shape of the bearing’s outside diameter will accommodate some degree of shaft misalignment. For this reason, they are often referred to as “self-aligning”. (See Figure 1.9)
FLANGED CARTRIDGES
A flanged cartridge consists of a ball or roller bearing with spherical outside diameter mounted in a cast iron housing.
The spherical shape of the bearing’s outside diameter will accommodate some degree of shaft misalignment. They, too, are often referred to as “self-aligning”. (See Figure 1.10)
