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

80BS21 2 7/16

No. 80 - 1" Pitch - Single - Bored to Size Sprocket
Item #100809789
  • 80 Chain Number
  • 1 Strand
  • 21 Teeth
  • 7.235 in Outside Diameter
  • 2.4375 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
  • 21 Teeth
  • 7.235 in Outside Diameter
  • 2.4375 in Finished Bore

features

  • Conforms to ANSI B29.1-1975 standards
Bore Type Bored to Size
No. of Teeth 21
Material Steel
Pitch Diameter 6.710 in
Set Screw Size 5/8-11 X 5/8
Inch/Metric Inch
Outside Dia. [Min] 7.2350 in
No. of Strands Across 1
Keyway Size 5/8 x 5/16
Pitch Diameter [Min] 6.710 in
Hardened Teeth Without Hardened Teeth
Hub Dia. 4 1/4 in
Hub Length Thru 1.175 in
Single Strand Tooth Thickness 0.575 in
Outside Dia. 7.2350 in
Martin No. 80BS21
Width Across Teeth 0.575 in
Sprocket Style B
Caliper Diameter 6.0657 in
No. of Screws 2
Keyway w/Keyway & Set Screw
Finished Bore 2 7/16 in
Length Through Bore 1 3/4 in
Chain No. 80
Chain Pitch 1 in
Hub Projection 1.17 in
Weight 7.9 LB
EAN or UPC 697950314600
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison