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Finished Bore Sprocket

80BS21 1 15/16

Finished Bore Sprocket
Item #100809781
  • 80 Chain Number
  • 1 Strand
  • 21 Teeth
  • 7.235 in Outside Diameter
  • 1.9375 in Finished Bore
  • Without Hardened Teeth
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Finished Bore Sprocket
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    Shipment Options
  • 80 Chain Number
  • 1 Strand
  • 21 Teeth
  • 7.235 in Outside Diameter
  • 1.9375 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 Steel
Hardened Teeth Without Hardened Teeth
No. of Teeth 21
Hub Length Thru 1.175 in
Inch/Metric Inch
Chain No. 80
Pitch Diameter 6.7095 in
Hub Dia. 4 1/4 in
Caliper Diameter 6.0657 in
Keyway w/Keyway & Set Screw
Outside Dia. 7.235 in
Set Screw Size 1/2-13 x 1/2
Hub Projection 1.17 in
Finished Bore 1 15/16 in
Length Through Bore 1.75 in
Keyway Size 1/2 x 1/4
Sprocket Style B
Width Across Teeth 0.575 in
Pitch Diameter [Min] 6.7095 in
Outside Dia. [Min] 7.235 in
Bore Type Bored to Size
No. of Strands Across 1
Chain Pitch 1 in
Single Strand Tooth Thickness 0.575 in
No. of Screws 2
Weight 9.38 LB
EAN or UPC 697950310565
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