MARTIN SPROCKET & GEAR 20B45
MARTIN SPROCKET & GEAR
MARTIN SPROCKET & GEAR 20B45
20B45 PART NUMBER
Stock Bore Sprocket - Metric - B Style - 20B / 1-1/4 in, B Hub, 45 Teeth, 32 mm Stock Bore, Steel Material
QTY QUOTEMARTIN SPROCKET & GEAR - MARTIN SPROCKET & GEAR 20B45
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 | 20B / 1-1/4 in |
|---|---|
| Pitch Diameter | 455.2 mm |
| Chain / Sprocket Type | Metric Roller Chain |
| Maximum Bore Diameter | 86 mm |
| Hub Outside Diameter | 127 mm |
| Tooth Width | 19 mm |
| Hub Style | B |
| Tooth Thickness | 19 mm |
| Number Of Teeth | 45 |
| Chain Roller Diameter | 19.05 mm |
| Bore Type | Reboreable |
| Chain Roller Width | 19.56 mm |
| Bore Diameter | 32 mm |
| Storage Dimension Height | 2.52 mm |
| Number Of Strands Across | 1 |
| Storage Dimension Length | 18.73 mm |
| Material | Steel |
| Storage Dimension Width | 18.73 mm |
| Length Through Bore | 64 mm |
| Surface Treatment | Protective Coating |
| Hardened Teeth | Non-Hardened Teeth |
| Manufacturer Upc Number | 697950404387 |
| Outside Diameter | 475.8 mm |
| Caliper Diameter | 435.8 mm |
| Weight | 59.241 lbs |
