Page 453 - SKF-bearing-housings

Split pillow blocks SDAF series

including the extended range

(inch dimensions)

All SDAF housings, which include the SDAF
Bearing types extended range, are heavy duty split pillow
• Spherical roller bearings (plummer) block housings designed for tough
• CARB toroidal roller bearings
operating conditions where heavy loads and
shock loads require a housing that is excep-
Bearing dimension series tionally sturdy. All SDAF housings are made to
• 22, 23 (SDAF) order.
• 30, 31, 32 (SDAF extended range)
SDAF housings can accommodate bearings
in the 22 and 23 dimension series for shaft
Shaft diameter range diameters ranging from 2 15 /16 to 9 9 /16
• 2 15 /16 to 9 9 /16 in. (SDAF) inches. SDAF extended range housings can
• 9 in. and larger (SDAF extended range)
accommodate bearings in the 30, 31 and 32
dimension series for shaft diameters ranging 9
Typical shaft-bearing combinations from 8 15 /16 to 20 inches and larger. Housings
• Plain shaft with bearing on an adapter in the extended range are typically customized
sleeve
• Stepped shaft with bearing on a to meet the needs of a particular application.
cylindrical seat
Seals ! Units of measurement
• Labyrinth In this chapter only imperial units
• Contact are used. To convert imperial units to
• Heavy-duty metric units, refer to the conversion table
on page 10.
Lubrication
• Grease
• Oil
Materials
• Grey cast iron
• Ductile iron
(Spheroidal graphite cast iron)
• Cast steel
Mounting
• Four-bolt mounting
Compliance to standards
• Not standardized

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