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Martin
40SK84
Single Strand Sprocket; 40 Chain Size; 84 Teeth; Requires SK QD Bushing
Item #100804113
Alternate Products
US Tsubaki Inc.
40SK84
Single Strand Sprocket; 40 Chain Size; 84 Teeth; Requires SK QD Bushing
Item #101659698
- Single Strand Sprocket
- 40 Chain Size
- 84 Teeth
- Requires QD SK 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’ QD bushings
| Chain Pitch | 0.500 in |
| Bushing Bore Size [Max] | 2.625 in |
| Bore Size [Min] | 0.5 in |
| Hub Dia. | 4 in |
| Outside Dia. [Min] | 13.6630 in |
| Pitch Diameter | 13.370 in |
| Construction Internal | Welded |
| Overall Length Less Threads | N/A |
| Tooth Width | 0.284 in |
| Bushing Bore [Min] | 0.5 in |
| Type | B |
| Single Strand Tooth Thickness | 0.284 in |
| Hub Length | 0.97 in |
| Martin No. | 40SK84 |
| No. of Teeth | 84 |
| Bushing Bore Size [Min] | 0.5 in |
| Hub Projection | 0.97 in |
| Pitch Dia. | 13.372 in |
| Overall Length | 1 1/4 in |
| Material External Use | Steel |
| Chain Sprocket Pitch | 0.5 in |
| Bushing Type | QD |
| Bore Size [Max] | 2.625 in |
| Chain Sprocket Number | 40 |
| O.D. | 13.663 in |
| No. of Teeth Rows Strands | 1 |
| Hardened Teeth | Without Hardened Teeth |
| Inch/Metric | Inch |
| Chain No. | 40 |
| Material Internal Use | Carbon Steel |
| Screw Size | 5/16-18 UNC |
| Length Through Bore | 1.25 in |
| Bore Type | Bushed |
| Width Across Teeth | 0.284 in |
| Bushing Bore [Max] | 2 5/8 in |
| Hub O.D. | 4 in |
| Material | Steel |
| No. of Strands Across | 1 |
| Bushing Series | SK |
| Outside Dia. | 13.663 in |
| Caliper Diameter | 13.06 in |
| Sprocket Style | B |
| Weight | 11.56 LB |
| EAN or UPC | 697950007014 |
