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