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MFR Details:
| Material | Steel |
| Bore Type | Bushed |
| Bushing Type | Taper Lock |
| Single Strand Tooth Thickness | 0.343 in |
| Type | B |
| Hub Dia. | 4 in |
| Overall Length | 2 in |
| Outside Dia. [Min] | 5.3220 in |
| Hardened Teeth | Without Hardened Teeth |
| Overall Length Less Threads | N/A |
| Bushing Bore Size [Max] | 2 in |
| Pitch Diameter | 4.990 in |
| Hub Length | 0.91 in |
| Hub Projection | 0.91 in |
| No. of Teeth | 25 |
| O.D. | 5.322 in |
| Bore Size [Min] | 0.5 in |
| Width Across Teeth | 0.343 in |
| Bushing Series | 2012 |
| Chain No. | 50 |
| Chain Pitch | 0.625 in |
| Outside Dia. | 5.3220 in |
| Bore Size [Max] | 2 in |
| Sprocket Style | B |
| Pitch Dia. | 4.987 in |
| Tooth Width | 0.343 in |
| Bushing Bore [Min] | 0.5 in |
| Bushing Bore [Max] | 2 in |
| Hub O.D. | 3.563 in |
| Martin No. | 50BTB25 |
| Caliper Diameter | 4.58 in |
| Length Through Bore | 1.25 in |
| Inch/Metric | Inch |
| No. of Strands Across | 1 |
| Weight | 1.34 LB |