Find a Service Center
Martin
80BTB20
Single Strand Sprocket; 80 Chain Size; 20 Teeth; Requires 2517 Taper Lock Bushing
Item #100804391
- Single Strand Sprocket
- 80 Chain Size
- 20 Teeth
- Requires Taper Lock 2517 Bushing
- Without Hardened Teeth
features
- Tolerances meet or exceed ANSI standards
- Manufactured of high carbon steel
- Precise machining and processes ensure consistent finish and high quality
- Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
- Bores are concentric to pitch line, minimizing run out
- Interchangeable with other manufacturers’ Taper bushings
| Hub O.D. | 4.25 in |
| Hub Length | 1.19 in |
| Pitch Dia. | 6.393 in |
| Hub Dia. | 4 1/4 in |
| Bushing Bore [Min] | 0.5 in |
| Bushing Bore Size [Max] | 2.5 in |
| Bushing Series | 2517 |
| Single Strand Tooth Thickness | 0.575 in |
| Pitch Diameter | 6.390 in |
| Construction Internal | Welded |
| Bore Type | Bushed |
| Bushing Bore Size [Min] | 0.5 in |
| Bushing Type | Taper Lock |
| O.D. | 6.914 in |
| Sprocket Style | B |
| Caliper Diameter | 5.77 in |
| Martin No. | 80BTB20 |
| No. of Teeth Rows Strands | 1 |
| Tooth Width | 0.575 in |
| Material External Use | Steel |
| Material Internal Use | Carbon Steel |
| Overall Length | 1 3/4 in |
| Chain Sprocket Pitch | 1 in |
| Chain Sprocket Number | 80 |
| No. of Teeth | 20 |
| Type | B |
| Bore Size [Max] | 2.5 in |
| Overall Length Less Threads | N/A |
| Width Across Teeth | 0.575 in |
| No. of Strands Across | 1 |
| Bore Size [Min] | 0.5 in |
| Length Through Bore | 1.75 in |
| Chain Pitch | 1.000 in |
| Bushing Bore [Max] | 2 1/2 in |
| Hub Projection | 1.19 in |
| Material | Steel |
| Inch/Metric | Inch |
| Chain No. | 80 |
| Outside Dia. | 6.914 in |
| Hardened Teeth | Without Hardened Teeth |
| Outside Dia. [Min] | 6.9140 in |
| Weight | 5.5 LB |
| EAN or UPC | 697950032214 |
