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No. 40 - 1/2" Pitch - Single - Plain Stock Bore Sprocket

40B21

No. 40 - 1/2" Pitch - Single - Plain Stock Bore Sprocket
Item #100806860
  • 40 Chain Number
  • 1 Strand
  • 21 Teeth
  • Without Hardened Teeth
  • B Sprocket Style
  • 0.63 in Minimum Bore
  • 1.88 in Maximum Bore
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No. 40 - 1/2" Pitch - Single - Plain Stock Bore Sprocket
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    Shipment Options
  • 40 Chain Number
  • 1 Strand
  • 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
  • Bores are concentric to pitch line, minimizing run out
No. of Strands Across 1
Inch/Metric Inch
Series B
Keyway No Keyway or Setscrew
Bore Size [Min] 0.625 in
Hub Dia. 2 3/4 in
Material Internal Use Atomized Metals
Finished Bore Size 0.625 in
Chain Pitch 0.500 in
Bushing Bore Size [Max] 1.875 in
Caliper Diameter 3.03 in
Stock Bore Size 0.625 in
No. of Teeth Rows Strands 1
Single Strand Tooth Thickness 0.284 in
Hub Length Thru 0.716 in
Pitch Diameter [Min] 3.350 in
No. of Teeth 21
Length Through Bore 1 in
Hub O.D. 2.75 in
Bore Range [Min] 5/8 in
Hardened Teeth Without Hardened Teeth
Material External Use Steel
Sprocket Style B
Material Steel
Construction Solid
Chain No. 40
Bore Type Finished Bore
Bushing Bore [Min] 0.625 in
Pitch Diameter 3.350 in
Pitch Dia. 3.355 in
Chain Sprocket Pitch 0.5 in
Outside Dia. [Min] 3.6200 in
Martin No. 40B21
Bore Style Minimum Bore
Chain Sprocket Number 40
Bushing Bore Size [Min] 0.625 in
Bore Size [Max] 1.875 in
Width Across Teeth 0.28 in
Bore Range [Max] 1.8800 in
O.D. 3.617 in
Construction Internal Solid
Outside Dia. 3.6200 in
Weight 1.73 LB
EAN or UPC 697950005096
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