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20BTB11H (1615) Taper Bushed Metric Roller Chain Sprocket

BRAND: Martin Sprocket | MODEL: 20BTB11H | CONDITION: NEW | SKU: 259911
20BTB11H (1615) Taper Bushed Metric Roller Chain Sprocket

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Weight: 1.95 lbs UOM: EA

Additional Description

Technical Specifications

Pitch 31.750 mm
Number Of Teeth 11
Outside Dia 133.330 mm
Material Steel
Pitch Diameter 112.700 mm


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.
Material Steel Width across Teeth/ Rows 18.590 mm
Chain Number 20B-1 Hub Configuration B
Chain Pitch 31.750 mm Hub Outside Diameter 80.000 mm
Number of Chain Rows 1 Construction Detail Solid
Number of Teeth 11 Bore Type Bushed TB
Outside Diameter 133.330 mm Bushing Part Number 1615
Pitch Diameter 112.700 mm Bushing Min Bore Size 12.700 mm
Single Strand Tooth Thickness 18.590 mm Bushing Max Bore Size 41.280 mm
Storage Dimension Length 5.142 in. Weight 1.95 lbs.
Storage Dimension Width 5.142 in. Individually Packaged No
Storage Dimension Height 1.500 in.