Skip to content Skip to navigation menu
Metric Taper Bushed Sprocket

D12BTB21

Metric Taper Bushed Sprocket
Item #100966008
  • 12B-2 Chain Number
  • 21 Teeth
  • 2 Strands
  • Taper Lock Bushing
  • Without Hardened Teeth
  • 139.56 mm Outside Diameter
  • 2517 Bushing Series
+ Show More + Show Less
Metric Taper Bushed Sprocket
Price Unavailable
Price Unavailable
Pricing is unavailable at this time. Please contact Customer Service for assistance.
Online Ordering Restricted
Please contact Customer Service for assistance.
Contact Customer Service
    Shipment Options
  • 12B-2 Chain Number
  • 21 Teeth
  • 2 Strands
  • Taper Lock Bushing
  • Without Hardened Teeth

features

  • 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
Bushing Series 2517
Hardened Teeth Without Hardened Teeth
Material Steel
Caliper Diameter 115.39 mm
Overall Length Less Threads N/A
Pitch Diameter 127.82 mm
Type B
Length Through Bore 44.45 mm
Bushing Type Taperlock
Hub Length 14.33 mm
Overall Length 44.45 mm
Root Diameter 115.75 mm
Hub Projection 14.33 mm
Bushing Bore [Min] 12.7 mm
Chain Pitch 0.75 in, 19.05 mm
Hub Dia. 108.84 mm
Chain No. 12B
Outside Dia. 139.56 mm
Sprocket Style B
Inch/Metric Metric
No. of Strands Across 2
Outside Dia. [Min] 139.56 mm
Bushing Bore [Max] 57.15 mm
Width Across Teeth 10.87 mm
Bore Type Bushed
No. of Teeth 21
Weight 0.47 LB
EAN or UPC 697950410500
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison