Skip to content Skip to navigation menu
No. 80 - 1" Pitch - Single - Bored to Size Sprocket

80BS20 1 1/4

No. 80 - 1" Pitch - Single - Bored to Size Sprocket
Item #100809761
  • 80 Chain Number
  • 1 Strand
  • 20 Teeth
  • 6.914 in Outside Diameter
  • 1.25 in Finished Bore
  • Without Hardened Teeth
+ Show More + Show Less
No. 80 - 1" Pitch - Single - Bored to Size Sprocket
Price Unavailable
Price Unavailable
Pricing is unavailable at this time. Please contact Customer Service for assistance.
Online Ordering Restricted
Please contact Customer Service for assistance.
Contact Customer Service
    Shipment Options
  • 80 Chain Number
  • 1 Strand
  • 20 Teeth
  • 6.914 in Outside Diameter
  • 1.25 in Finished Bore

features

  • Conforms to ANSI B29.1-1975 standards
Caliper Diameter 5.7675 in
Martin No. 80BS20
Material Steel
Pitch Diameter 6.393 in
Length Through Bore 1 1/2 in
Sprocket Style B
Width Across Teeth 0.575 in
Outside Dia. [Min] 6.9140 in
Keyway w/Keyway & Set Screw
Hub Projection 0.92 in
Keyway Size 1/4 x 1/8
Set Screw Size 5/16-18 X 5/16
Outside Dia. 6.9140 in
Chain Pitch 1 in
Hub Length Thru 0.925 in
Hardened Teeth Without Hardened Teeth
Pitch Diameter [Min] 6.393 in
Hub Dia. 4 1/4 in
Finished Bore 1 1/4 in
Bore Type Bored to Size
Inch/Metric Inch
No. of Teeth 20
No. of Screws 2
No. of Strands Across 1
Chain No. 80
Single Strand Tooth Thickness 0.575 in
Weight 7.78 LB
EAN or UPC 697950298696
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison