| Base to Bore Centerline | 3-3/4 in |
| Base Width | 3.41 in |
| Bolt Center-to-Center Length | 9.38 to 11.25 in |
| Bore Diameter | 3-3/16 in |
| Bore Type | Cylindrical |
| Description: | SRB Housed Unit |
| Expansion Type | Non-Expansion (Fixed) |
| Finish | Powder Coated |
| Load Capacity | 79700 lb Dynamic/87200 lb Static |
| Locking Device | Double Concentric Collar |
| Manufacturer | TIMKEN CO |
| Material | Cast Steel |
| Maximum Speed | 2000 rpm Grease/2400 rpm Oil |
| MFG Part #: | QAAP18A303ST |
| Mounting Type | Two-Bolt Base |
| Overall Height | 7.69 in |
| Overall Length | 13-1/2 in |
| Overall Width | 5.18 in |
| Seal Type | Labyrinth T |
| Supplier: | TIMKEN CO |
| Type | Extra Heavy Duty Solid Block Type E |
| UPC: | 883450319607 |