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