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Double Strand Sprocket

D140B21

Double Strand Sprocket
Item #100806332
  • 140 Chain Number
  • 2 Strands
  • 21 Teeth
  • Without Hardened Teeth
  • B Sprocket Style
  • 1.75 in Minimum Bore
  • 5.25 in Maximum Bore
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Double Strand Sprocket
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    Shipment Options
  • 140 Chain Number
  • 2 Strands
  • 21 Teeth
  • Without Hardened Teeth
  • B Sprocket Style

description

  • Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.

features

  • Tolerances meet or exceed ANSI standards
  • Manufactured of high carbon steel
  • Precise machining and processes ensure consistent finish and high quality
  • Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
  • Bores are concentric to pitch line, minimizing run out
  • Interchangeable with other manufacturers’ split-taper bushings
Martin No. 140B21
Caliper Diameter 10.709 in
Width Across Teeth 2.81 in
Bore Type Reborable
Series B
No. of Teeth 21
Bore Range [Min] 1.75 in
No. of Strands Across 2
Length Through Bore 4 in
Hub Dia. 7 in
Family Name No. 140 - 1 3/4 in Pitch - Double - Type B & C
Pitch Diameter [Min] 11.74 in
Chain No. 140
Single Strand Tooth Thickness 2.818 in
Outside Dia. 12.66 in
Hardened Teeth Without Hardened Teeth
Hub Length Thru 3.106 in
Outside Dia. [Min] 12.66 in
Sprocket Style B
Hub Projection 1.19 in
Pitch Diameter 11.74 in
Bore Range [Max] 5.25 in
Inch/Metric Inch
Bore Style Minimum Bore
Material Steel
Chain Pitch 1.75 in
Weight 82.0 LB
EAN or UPC 697950026589
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