MARTIN SPROCKET & GEAR 28B28
MARTIN SPROCKET & GEAR
MARTIN SPROCKET & GEAR 28B28
28B28 PART NUMBER
Stock Bore Sprocket - Metric - B Style - 28B / 1-3/4 in, B Hub, 28 Teeth, 40 mm Stock Bore, Steel Material
QTY QUOTEMARTIN SPROCKET & GEAR - MARTIN SPROCKET & GEAR 28B28
Metric B Style sprockets are flat sprockets with a hub extension welded on one side.
These plain bore sprockets can easily be bored to a metric or standard size to fit your application.
Keyways, set screws and hardened teeth are quick alterations that can be made.
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 | 28B / 1-3/4 in |
|---|---|
| Caliper Diameter | 369.1 mm |
| Chain / Sprocket Type | Metric Roller Chain |
| Pitch Diameter | 397 mm |
| Hub Outside Diameter | 160 mm |
| Maximum Bore Diameter | 108 mm |
| Hub Style | B |
| Tooth Width | 29 mm |
| Number Of Teeth | 28 |
| Tooth Thickness | 29 mm |
| Bore Type | Reboreable |
| Chain Roller Diameter | 27.94 mm |
| Bore Diameter | 40 mm |
| Chain Roller Width | 30.99 mm |
| Number Of Strands Across | 1 |
| Storage Dimension Height | 2.52 mm |
| Material | Steel |
| Storage Dimension Length | 16.72 mm |
| Number Of Hubs | 1 |
| Storage Dimension Width | 16.72 mm |
| Bore Range | 40 to 108 mm |
| Surface Treatment | Protective Coating |
| Length Through Bore | 64 mm |
| Manufacturer Upc Number | 697950406862 |
| Hardened Teeth | Non-Hardened Teeth |
| Outside Diameter | 424.6 mm |
| Weight | 69.95 lbs |
