Split pillow blocks - SKF SDAF Series including the extended range (inch dimensions)
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
Further downloads, documentation available on request
Source: SKF
webshop: http://shop.ihb.ch
youtube: