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12BTB23H (2012) Taper Bushed Metric Roller Chain Sprocket

$100.65 Each


  • Typically ships in: 1 day
  • Weight: 2.8 lb
  • Free shipping on orders over $20

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Additional Description

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 10.870 mm
Chain Number 12B-1 Hub Configuration B
Chain Pitch 19.050 mm Hub Outside Diameter 90.000 mm
Number of Chain Rows 1 Construction Detail Solid
Number of Teeth 23 Bore Type Bushed TB
Outside Diameter 151.650 mm Bushing Part Number 2012
Pitch Diameter 139.900 mm Bushing Min Bore Size 12.700 mm
Single Strand Tooth Thickness 10.870 mm Bushing Max Bore Size 50.800 mm
Storage Dimension Length 5.970 in. Weight 2.95 lbs.
Storage Dimension Width 5.970 in. Individually Packaged No
Storage Dimension Height 1.250 in.


Pitch 19.050 mm
Number Of Teeth 23
Outside Dia 151.650 mm
Material Steel
Pitch Diameter 139.900 mm

Return policy

Item must be unused.

Item must be in it's original package.

Restocking, shipping and handling fees may apply to any return with this manufacturer.

For more information please consult


Product's availability

State of California Proposition 65 Product Warning