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