SKF/Global Split Plummer (Pillow) Block Housings SDAF Series

All SDAF housings, which include the SDAF extended range, are heavy-duty split pillow (plummer) block housings designed for tough operating conditions where heavy loads and shock loads require a housing that is exceptionally sturdy. All SDAF housings are made to order.SDAF housings can accommodate bearings in the 22 and 23 dimension series for shaft diameters ranging from 2 15/16 to 9 9/16 inches. SDAF extended range housings can accommodate bearings in the 30, 31 and 32 dimension series for shaft diameters ranging from 8 15/16 to 20 inches and larger. Housings in the extended range are typically customized to meet the needs of a particular application.Bearing types

• Spherical roller bearings
• CARB toroidal roller bearings

Bearing dimension series

• 22, 23 (SDAF)
• 30, 31, 32 (SDAF extended range)
  

Shaft diameter range

• 2 15/16 to 9 9/16 in. (SDAF)
• 9 in. and larger (SDAF extended range)

Typical shaft-bearing combinations

• Plain shaft with bearing on an adapter sleeve
• Stepped shaft with bearing on a cylindrical seat

Seals

• Labyrinth
• Contact
• Heavy-duty

Lubrication

• Grease
• Oil

Materials

• Grey cast iron
• Ductile iron (Spheroidal graphite cast iron)
• Cast steel

Mounting

• Four-bolt mounting

Compliance to standards

• Not standardized

All SDAF housings, which include the SDAF extended range, are heavy-duty split pillow (plummer) block housings designed for tough operating conditions where heavy loads and shock loads require a housing that is exceptionally sturdy. All SDAF housings are made to order.SDAF housings can accommodate bearings in the 22 and 23 dimension series for shaft diameters ranging from 2 15/16 to 9 9/16 inches. SDAF extended range housings can accommodate bearings in the 30, 31 and 32 dimension series for shaft diameters ranging from 8 15/16 to 20 inches and larger. Housings in the extended range are typically customized to meet the needs of a particular application.Bearing types

• Spherical roller bearings
• CARB toroidal roller bearings

Bearing dimension series

• 22, 23 (SDAF)
• 30, 31, 32 (SDAF extended range)
  

Shaft diameter range

• 2 15/16 to 9 9/16 in. (SDAF)
• 9 in. and larger (SDAF extended range)

Typical shaft-bearing combinations

• Plain shaft with bearing on an adapter sleeve
• Stepped shaft with bearing on a cylindrical seat

Seals

• Labyrinth
• Contact
• Heavy-duty

Lubrication

• Grease
• Oil

Materials

• Grey cast iron
• Ductile iron (Spheroidal graphite cast iron)
• Cast steel

Mounting

• Four-bolt mounting

Compliance to standards

• Not standardized