MARTIN SPROCKET & GEAR 12B70
MARTIN SPROCKET & GEAR
MARTIN SPROCKET & GEAR 12B70
12B70 PART NUMBER
Stock Bore Sprocket - Metric - A Style - 12B / 3/4 in, B Hub, 70 Teeth, 32 mm Stock Bore, Steel Material
QTY QUOTEMARTIN SPROCKET & GEAR - MARTIN SPROCKET & GEAR 12B70
Metric A Plates are flat sprockets with no hub extension on either side.
They can be altered for your application with bolt holes, custom bores, hardened teeth or special hubs welded to them.
Tolerances meet or exceed ISO standards
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Bores are concentric to pitch line, minimizing run out
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
SPECIFICATIONS
| Chain Number & Pitch | 12B / 3/4 in |
|---|---|
| Pitch Diameter | 424.6 mm |
| Chain / Sprocket Type | Metric Roller Chain |
| Maximum Bore Diameter | 78 mm |
| Hub Outside Diameter | 110 mm |
| Tooth Width | 11 mm |
| Hub Style | B |
| Tooth Thickness | 11 mm |
| Number Of Teeth | 70 |
| Chain Roller Diameter | 12.065 mm |
| Bore Type | Reboreable |
| Chain Roller Width | 11.68 mm |
| Bore Diameter | 32 mm |
| Storage Dimension Height | 1.77 mm |
| Number Of Strands Across | 1 |
| Storage Dimension Length | 17.18 mm |
| Material | Steel |
| Storage Dimension Width | 17.18 mm |
| Length Through Bore | 45 mm |
| Surface Treatment | Protective Coating |
| Hardened Teeth | Non-Hardened Teeth |
| Manufacturer Upc Number | 697950401157 |
| Outside Diameter | 436.4 mm |
| Caliper Diameter | 412.5 mm |
| Weight | 30.11 lbs |
