Attributes
| Key | Value |
|---|---|
| Bore (in) | 1 inch Finished Bore |
| Bore Type | Finished Bore |
| Face Width (in) | 1.750 |
| For Belt Type | 4L, 5L, A, or B |
| Grooves | 2 |
| Hub Diameter (in) | 2.125 |
| Material | Cast Iron |
| Max. Bore (in) | 1.375 |
| Min. Bore (in) | 1.000 |
| MOQ | 1 |
| Outside Diameter (in) | 5.450 |
| Overall Length (in) | 2.219 |
| Part Number Cross Reference | 2BK57 1., 2BK57-1 PULLEY, 20179862, 121796, 2BK571, 2BK57-1, 2MB55x1 |
| Pitch Dia. "A" | 4.700 |
| Pitch Dia. "B" | 5.100 |
| Product Number | 2BK57x1 |
| Set Screw | 1 x 5/16-18 UNC |
| Set Screw Quantity | 1 |
| Sheave Type | BK |
| Type | 2 |
| Weight (lb) | 5.40 |