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