Martin
Martin 120BTB19 Type B Single Strand Welded Bushed Roller Chain Sprocket, 0.938 to 3 in Dia Bore, 9.889 in OD, #120 Chain, 19 Teeth, 1-1/2 in Pitch, Steel
120BTB19-MAR
MFG #: 120BTB19
$497.62
/ EA
Non-Stock Item
- Bore Diameter: 0.938 to 3 in
- Bushing Type: TB 3020
- Chain Size: #120
- Country of Origin: US
- Hub Diameter: 5-1/4 in
- Length Through Bore: 2 in
- Manufacturer Name: Martin Sprocket & Gear
- Material: Steel
- Number of Teeth: 19
- Outside Diameter: 9.889 in
- Pitch: 1-1/2 in
- Pitch Diameter: 9.1133 in
- Type: Type B Single Strand Welded Bushed
A 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 setscrews instead of bolts.
- Item Features
- Standards
- Interchangeable with other manufacturer's taper bushings
- Precise machining and processes ensure consistent finish and high quality
- Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
- Bores are concentric to pitch line, minimizing run out
- https://www.youtube.com/watch?v=fSomOMNB_-Q
ANSI Specified|B29.1 - 1975