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Finished Bore Sprocket

40BS21HT 1 1/4

Finished Bore Sprocket
Item #100807077
  • 40 Chain Number
  • 1 Strand
  • 21 Teeth
  • 3.617 in Outside Diameter
  • 1.25 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
  • 1.25 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
No. of Strands Across 1
Hub Projection 0.72 in
Hub Length Thru 0.716 in
No. of Screws 2
Pitch Diameter 3.3548 in
Keyway w/Keyway & Set Screw
Finished Bore 1 1/4 in
Bore Range [Max] 1.875 in
Hardened Teeth With Hardened Teeth
Bore Type Bored to Size
No. of Teeth 21
Sprocket Style B
Outside Dia. [Min] 3.617 in
Material Steel
Inch/Metric Inch
Pitch Diameter [Min] 3.3548 in
Bore Range [Min] 1.25 in
Outside Dia. 3.617 in
Single Strand Tooth Thickness 0.284 in
Width Across Teeth 0.284 in
Chain No. 40
Chain Pitch 0.5 in
Keyway Size 1/4 x 1/8
Set Screw Size 5/16-18 X 5/16
Hub Dia. 2 3/4 in
Caliper Diameter 3.0334 in
Length Through Bore 1 in
Weight 1.47 LB
EAN or UPC 697950160337
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