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Boston GearD40B21

D40B21

Double Strand Roller Chain Sprocket
Item #101883403
  • Double Strand, Number 40, Type B, 21 Teeth Roller Chain Sprocket
Boston GearD40B21
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  • Double Strand, Number 40, Type B, 21 Teeth Roller Chain Sprocket

features

  • Quality design
  • Superior fatigue resistance
  • Long operational life

compliances

  • 0
Outside Dia. 3.617 in
Hardened Teeth Without Hardened Teeth
Length Through Bore 1.625 in
Bore Range [Max] N/A
No. of Strands Across 2
Hub Length Thru 1 5/8 in
Bore Range [Min] 0.625 in
Chain No. 40
Sprocket Style B
Chain Pitch 0.5 in
Hub Projection 1.341 in
Material Steel
Hub Dia. 2 3/4 in
Width Across Teeth 0.284 in
Pitch Diameter 3.355 in
No. of Teeth 21
Inch/Metric Inch
Weight 2.801 LB
EAN or UPC 781711159606
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