MARTIN SPROCKET & GEAR 20BTB12H
MARTIN SPROCKET & GEAR
MARTIN SPROCKET & GEAR 20BTB12H
20BTB12H PART NUMBER
Tapered Bushed Sprocket - Metric - Taper Lock Bushing, 20B / 1-1/4 in, 12 Teeth, 1615 Bushing, Steel Material
QTY QUOTEMARTIN SPROCKET & GEAR - MARTIN SPROCKET & GEAR 20BTB12H
A metric taper bushed sprocket is a sprocket where a tapered bushing is bolted into the taper bore that is machined in the sprocket.
When installed this bushing is compressed onto the shaft providing a tight grip.
Taper bushed sprockets have a tapered bushing bolted into a taper bore with hex head set screws instead of bolts.
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
Interchangeable with other manufacturers’ Taper bushings
SPECIFICATIONS
| Bushing Type | Taper Lock Bushing |
|---|---|
| Pitch Diameter | 122.7 mm |
| Bore Type | Bushed |
| Caliper Diameter | 103.6 mm |
| Chain Number & Pitch | 20B / 1-1/4 in |
| Hub Style | TB |
| Chain / Sprocket Type | Metric Roller Chain |
| Hub Type | B Hub |
| Bore Diameter | 12.7 mm |
| Overall Width | 38.1 mm |
| Bushing Size | 1615 |
| Hub Diameter | 70.64 mm |
| Number Of Teeth | 12 |
| Hub Outside Diameter | 71 mm |
| Number Of Strands Across | 1 |
| Hub Projection | 20 mm |
| Material | Steel |
| Chain Roller Diameter | 19 mm |
| Number Of Hubs | 1 |
| Chain Roller Width | 20 mm |
| Maximum Bore Diameter | 38.1 mm |
| Surface Treatment | Protective Coating |
| Length Through Bore | 38.1 mm |
| Storage Dimension Height | 1.5 mm |
| Bushing Bore Range | 1/2 to 1-5/8 in |
| Storage Dimension Length | 5.58 mm |
| Outside Diameter | 143.3 mm |
| Storage Dimension Width | 5.58 mm |
| Pitch Type | Single |
| Manufacturer Upc Number | 697950411378 |
| Hardened Teeth | Hardened Teeth |
| Tooth Width | 19 mm |
| Weight | 2.6 lbs |
| Tooth Thickness | 19 mm |
