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Product CatalogPre-engineered ProductsCast Iron Pillow & Flange Blocks4 Bolt Flange Blocks

4 Bolt Flange Blocks

Heavy Duty Self-Aligning Flange Block Bearing Assemblies (Type SA-4-FB)

Type SA-PB pillow blocks and flange blocks are a uniquely designed compact unit (patented) requiring minimum support space. These units are self-aligning, ruggedly constructed, and suitable for non-lubricated heavy duty applications. They are fitted with a variety of Metcar self-lubricating bearing grades.

There are 10 different sizes available for shafts up to 3-3/8. There are 2 standard bearing cartridge lengths available: A and A-Ext. Bearing length A is used for medium-duty applications, whereas bearing length A-Ext is used for heavy duty applications. They are available in stainless steel for corrosive applications.

item #Max Std Shaft SizeAA-Ext.BCDEF BoltHJKL
SA-4-FB-27/8″1″1-1/2″3-3/8″1-1/32″2-1/2″1-1/8″3/8″7/16″3/32″1-1/16″1-9/16″
SA-4-FB-31″1-1/16″2″3-3/4″1-1/8″2-3/4″1-1/4″7/16″1/2″1-1/8″1/16″1-3/4″
SA-4-FB-41-3/8″1-3/16″2-3/8″4-1/4″1-1/4″3-1/4″1-7/16″7/16″9/16″3/16″1/8″2-1/8″
SA-4-FB-51-9/16″1-1/2″2-7/8″4-5/8″1-7/16″3-5/8″1-11/16″1/2″5/8″1/8″1/4″2-1/2″
SA-4-FB-61-11/16″1-9/16″3″5-1/8″1-7/16″4″1-5/8″1/2″5/8″1/16″3/16″2-3/4″
SA-4-FB-71-13/16″1-9/16″3-1/2″5-7/16″1-1/2″4-1/8″1-5/8″1/2″11/16″1/16″1/16″3″
SA-4-FB-82-1/16″1-5/8″4″5-5/8″1-9/16″4-3/8″1-11/16″1/2″3/4″1/16″3/32″3-1/8″
SA-4-FB-92-1/4″1-3/4″4-1/2″6-1/2″1-15/16″5-1/8″2-1/8″5/8″3/4″3/8″1/8″3-1/2″
SA-4-FB-102-9/16″1-13/16″5″6-7/8″2-1/8″5-5/8″2-1/4″5/8″7/8″7/16″1/8″3-7/8″
SA-4-FB-113-1/2″2-3/4″6″7-13/16″1-7/8″6″2-13/16″3/4″1-1/16″3/32″1″5″
SA-4-FB-124″2-3/4″6″7-13/16″1-7/8″6″2-13/16″3/4″1-1/16″3/32″1″5″
SA-4-FB-145″2-3/4″N/A”10-1/8″2-3/8″7-5/8″2-13/16″3/4″1″1/16″7/16″6-1/4″
  • • Completely self-aligning, compensating for shaft deflection and misalignment
  • • Ability to be used dry or submerged to temperatures of 1000ºF
  • • Replaceable bearing cartridges can be rotated 180º for double the lifespan without needing to be removed from the shaft
  • • Interchangeable with most standard ball bearing pillow and flange blocks
  • • Free and quiet operation under heavy loads
  • • Ability to be modified for thrust loading
  • • M-11 – Light duty dry applications up to 500ºF
  • • M-100 Resin – Light duty dry and submerged applications up to 500ºF
  • • 1010 Babbitt – Dry or Submerged applications up to 400ºF
  • • 1515 Copper – Heavy duty dry or submerged applications to 700ºF
  • • 2500 Resistox – High temperature applications up to 1000ºF
  • • 9800 Resistox – High temperature applications up to 1100ºF
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