MARTIN SPROCKET & GEAR 20BTB30H
MARTIN SPROCKET & GEAR
MARTIN SPROCKET & GEAR 20BTB30H
20BTB30H PART NUMBER
Tapered Bushed Sprocket - Metric - Taper Lock Bushing, 20B / 1-1/4 in, 30 Teeth, 3020 Bushing, Steel Material
QTY QUOTEMARTIN SPROCKET & GEAR - MARTIN SPROCKET & GEAR 20BTB30H
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 | 303.7 mm |
| Bore Type | Bushed |
| Caliper Diameter | 284.7 mm |
| Chain Number & Pitch | 20B / 1-1/4 in |
| Hub Style | TB |
| Chain / Sprocket Type | Metric Roller Chain |
| Hub Type | B Hub |
| Bore Diameter | 23.81 mm |
| Hub Outside Diameter | 133 mm |
| Bushing Size | 3020 |
| Hub Projection | 32 mm |
| Number Of Teeth | 30 |
| Chain Roller Diameter | 19 mm |
| Number Of Strands Across | 1 |
| Chain Roller Width | 20 mm |
| Material | Steel |
| Surface Treatment | Protective Coating |
| Maximum Bore Diameter | 76.2 mm |
| Storage Dimension Height | 2 mm |
| Length Through Bore | 50.8 mm |
| Storage Dimension Length | 12.71 mm |
| Outside Diameter | 324.4 mm |
| Storage Dimension Width | 12.71 mm |
| Hardened Teeth | Hardened Teeth |
| Manufacturer Upc Number | 697950411538 |
| Tooth Width | 19 mm |
| Tooth Thickness | 19 mm |
| Weight | 22.327 lbs |
