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Boston Gear40B21

40B21

B Style Sprocket
Item #101852486
  • Single Strand, Number 40, Type B, 21 Teeth Roller Chain Sprocket
Boston Gear40B21
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    Shipment Options
  • Single Strand, Number 40, Type B, 21 Teeth Roller Chain Sprocket

features

  • Quality design
  • Superior fatigue resistance
  • Long operational life

compliances

  • 0
Pitch Diameter 3.355 in
Hardened Teeth Without Hardened Teeth
Bore Range [Min] 0.625 in
Chain No. 40
Material Steel
No. of Strands Across 1
Chain Pitch 0.5 in
Bore Range [Max] N/A
Inch/Metric Inch
Outside Dia. 3.617 in
Width Across Teeth 0.284 in
Length Through Bore 1 in
Hub Length Thru 1 in
Hub Projection 0.716 in
No. of Teeth 21
Sprocket Style B
Hub Dia. 2 3/4 in
Weight 2.201 LB
EAN or UPC 781711157084
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