Martin 140CTB70 Type C Single Strand Welded Bushed Roller Chain Sprocket, 1.438 to 4 in Dia Bore, 40.017 in OD, #140 Chain, 70 Teeth, 1-3/4 in Pitch, Steel
140CTB70-MAR
MFG #: 140CTB70
Requires Quote
Non-Stock Item
- Bore Diameter: 1.438 to 4 in
- Bushing Type: TB 4040
- Chain Size: #140
- Country of Origin: US
- Hub Diameter: 7-3/4 in
- Length Through Bore: 4 in
- Manufacturer Name: Martin Sprocket & Gear
- Material: Steel
- Number of Teeth: 70
- Outside Diameter: 40.017 in
- Pitch: 1-3/4 in
- Pitch Diameter: 39.0061 in
- Type: Type C 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