Designations
The designations of SKF housings and associated components follow a system that consists of a basic designation with or without one or more prefixes and/or suffixes.
Examples and the applicable options for SDAF housings and standard SDAF extended range housings are given below.
Example
| SDAF 22634 TA
| where | SDAF = |  |
| 22634 = |  |
||
| TA = |  |
Applicable options
| Series |
| S | Standard pillow block |
| D | Heavy-duty series |
| A | Inch dimensions |
| F | Labyrinth seal |
 | Material |
| _
| Cast iron (standard) |
| D | Ductile iron (spheroidal graphite cast iron) |
| S | Cast steel |
| Size identification |
| 222(00) | Kits with spherical roller bearings with a
cylindrical bore, diameter series 2 |
| 223(00) | Kits with spherical roller bearings with a
cylindrical bore, diameter series 3 |
| 225(00) | Kits with spherical roller bearings on an
adapter sleeve, diameter series 2 |
| 226(00) | Kits with spherical roller bearings on an
adapter sleeve, diameter series 3 |
| 230(00) | Kits with spherical roller bearings with a
cylindrical bore, diameter series 0 |
| 230(00) KA | Kits with spherical roller bearings on an
adapter sleeve, diameter series 0 |
| 231(00) | Kits with spherical roller bearings with a
cylindrical bore, diameter series 1 |
| 231(00) KA | Kits with spherical roller bearings on an
adapter sleeve, diameter series 1 |
| 232(00) | Kits with spherical roller bearings with a
cylindrical bore, diameter series 2 |
| 232(00) KA | Kits with spherical roller bearings on an
adapter sleeve, diameter series 2 |
| ..20 to 96 | Size code, related to the bearing bore size |
| ../500 to /530 | Size code, related to the bearing bore size |
 | Suffixes1) | |
| T | Taconite seal with contact seal or bolt-on taconite seals | |
| TV | Taconite seal with V-ring | |
| TA or TVA | Taconite seal with button head grease fitting | |
| TB or TVB | Taconite seal with giant button head grease fitting | |
| Y | One end closed (i.e. supplied with end plugs) | |
| /VZ... | Special feature / modification | |
- 1)When multiple suffixes are used, they are listed in the same order as shown here.
