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Finished Bore Sprocket

40BS21HT 3/4

Finished Bore Sprocket
Item #100807082
  • 40 Chain Number
  • 1 Strand
  • 21 Teeth
  • 3.617 in Outside Diameter
  • 3/4 in Finished Bore
  • With Hardened Teeth
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Finished Bore Sprocket
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    Shipment Options
  • 40 Chain Number
  • 1 Strand
  • 21 Teeth
  • 3.617 in Outside Diameter
  • 3/4 in Finished Bore

features

  • Bored to size
  • 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

compliances

  • Conforms to ANSI B29.1-1975 standards
Bore Type Finished Bore
Bore Size [Max] 1.875 in
Chain No. 40
Bushing Bore Size [Max] 1.875 in
Hardened Teeth 1
Hub Projection 0.72 in
Length Through Bore 1 in
Bore Size [Min] 0.75 in
Keyway w/Keyway & Set Screw
Finished Bore 0.750 in - 3/4 in
Single Strand Tooth Thickness 0.284 in
Caliper Diameter 3.0334 in
Bore Range [Max] 1.875 in
No. of Teeth Rows Strands 1
Construction Internal Solid
No. of Screws 2
O.D. 3.617 in
Set Screw Size 1/4-20 UNC
Keyway Size 3/16 x 3/32 in
Hub O.D. 2.75 in
Chain Sprocket Number 40
Set Screw Location (1) Over Keyway and (1) At 90°
No. of Teeth 21
Outside Dia. 3.617 in
Bushing Bore Size [Min] 0.75 in
Pitch Dia. 3.355 in
Key Way Size 3/16 X 3/32 in
Hub Dia. 2 3/4 in
Bushing Bore [Min] 0.75 in
Outside Dia. [Min] 3.617 in
Width Across Teeth 0.284 in
Bore Range [Min] 0.75 in
Finished Bore Size 0.75 in
Chain Pitch 0.500 in
Sprocket Style B
No. of Strands Across 1
Pitch Diameter 3.3548 in
Pitch Diameter [Min] 3.3548 in
Material External Use Steel
Chain Sprocket Pitch 0.5 in
Hub Length Thru 0.716 in
Inch/Metric Inch
Material Steel
Material Internal Use Atomized Metals
Weight 1.73 LB
EAN or UPC 697950160382
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