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