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Boston Gear25B21-1/2

25B21-1/2

Finished Bore Sprocket
Item #101853737
  • 25 Chain
  • 21 Teeth
  • 1/2" Bore
  • 1/8 in x 1/16 in Keyway
Boston Gear25B21-1/2
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    Shipment Options
  • 25 Chain
  • 21 Teeth
  • 1/2" Bore
  • 1/8 in x 1/16 in Keyway

features

  • Quality design
  • Superior fatigue resistance
  • Long operational life
  • 10-32 setscrews

compliances

  • 0
Hub Dia. 1 5/32 in
Finished Bore 1/2 in
Hub Projection 0.39 in
Material Steel
Pitch Diameter 1.598 in
Outside Dia. 1.809 in
Length Through Bore 0.5 in
Hardened Teeth Without Hardened Teeth
Chain Pitch 0.25 in
Width Across Teeth 0.11 in
Inch/Metric Inch
Keyway 1/8 x 1/16
Chain No. 25
No. of Strands Across 1
No. of Teeth 21
Sprocket Style B
Weight 0.251 LB
EAN or UPC 781711456712
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