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