| Expansion Type | NON-EXPANSION |
| Bolt Center-to-Center Length | 13 to 14-1/2 in |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Baldor Reliance Electric | DOD 066235 | P4B-SD-307 SPECIAL DUTY BEARINGS 066235 |
| | Baldor Reliance Electric | DOD 066371 | P4B-SD-308 SPECIAL DUTY BEARINGS 066371 |
| | Baldor Reliance Electric | DOD 081202 | P4B-SD-308-HT BEARINGS 081202 |
| | Baldor Reliance Electric | DOD 066367 | P4B-SD-303 SPECIAL DUTY BEARINGS 066367 |
| | Baldor Reliance Electric | DOD 066370 | P4B-SD-306 SPECIAL DUTY BEARINGS 066370 |
