| Expansion Type | NON-EXPANSION |
| Bolt Center-to-Center Length | 155 to 174.6 mm |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Baldor Reliance Electric | DOD 071036 | P2B509-ISN-040MFS BEARINGS 071036 |
| | Baldor Reliance Electric | DOD 075154 | P2B509-ISN-108FS BEARINGS 075154 |
| | Baldor Reliance Electric | DOD 071019 | P2B509-ISN-040MLR BEARINGS 071019 |
| | Baldor Reliance Electric | DOD 071002 | P2B509-ISN-040MFR BEARINGS 071002 |
