Timken SAF pillow blocks combine rugged cast-iron or cast-steel housings with high capacity spherical roller bearings to meet the toughest demands of heavy industry.  The convenient split-housing design simplifies assembly and service.  Each pillow block contains an advanced-design spherical roller bearing with improved geometry and raceway finish for maximum load capacity and service life.  Timken manufactures pillow blocks in two main styles:  SAF and SDAF. The larger SDAF block is suggested for extreme heavy duty applications.

Size range: 1.37795 in. to 11.811 in., with special shaft sizes available up to 39.37 in. and beyond.

Design Attributes

  • Split construction allows for easy assembly and disassembly.
  • Pry tool slots and the exclusive Pry-Lug fulcrum simplifies bearing inspection, service and replacement.
  • Caps are removed quickly and easily, preventing damange to the bearing or housing.
  • Integrated housing and bearing design enhances unit lubrication characteristics.
  • Multiple sealing options protect against contamination.


  • Conveyors
  • Mining applications
  • Pulp and paper mills
  • Rolling mills