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This part may be obsolete or discontinued.
There may be limited quantities still available for purchase. Contact us for availability. Please contact your local service center for alternative options.
Boston Gear40B20-7/8

40B20-7/8

Finished Bore Sprocket
Item #101836252
  • 40 Chain, 20 Tooth, 0.875 in Bore, With Keyway and Setscrew
Boston Gear40B20-7/8
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    Shipment Options
  • 40 Chain, 20 Tooth, 0.875 in Bore, With Keyway and Setscrew

features

  • Quality design
  • Superior fatigue resistance
  • Long operational life
  • Complete with keyway and setscrew

compliances

  • 0
Inch/Metric Inch
Outside Dia. 3.457 in
Keyway w/Keyway & Set Screw
Pitch Diameter 3.196 in
Hardened Teeth Without Hardened Teeth
Chain No. 40
Width Across Teeth 0.284 in
Sprocket Style B
Hub Length Thru 0.716 in
Hub Dia. 2 5/8 in
No. of Strands Across 1
No. of Teeth 20
Length Through Bore 1 in
Finished Bore 0.875 in - 7/8 in
Material Steel
Chain Pitch 0.500 in
Weight 1.501 LB
EAN or UPC 781711150825
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