Skip to content Skip to navigation menu
Finished Bore Sprocket

40BS70 1 1/4

Finished Bore Sprocket
Item #100807483
  • 40 Chain Number
  • 1 Strand
  • 70 Teeth
  • 11.433 in Outside Diameter
  • 1.25 in Finished Bore
  • Without Hardened Teeth
+ Show More + Show Less
Finished Bore 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
  • 40 Chain Number
  • 1 Strand
  • 70 Teeth
  • 11.433 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
Bore Type Bored to Size
No. of Teeth 70
Single Strand Tooth Thickness 0.284 in
Pitch Diameter [Min] 11.1446 in
Inch/Metric Inch
Chain Pitch 0.5 in
Width Across Teeth 0.284 in
Sprocket Style B
Hub Length Thru 0.966 in
Hardened Teeth Without Hardened Teeth
Caliper Diameter 10.8326 in
Chain No. 40
Hub Dia. 4 in
Hub Projection 0.97 in
Material Steel
Outside Dia. 11.433 in
Pitch Diameter 11.1446 in
Keyway w/Keyway & Set Screw
No. of Screws 2
Finished Bore 1 1/4 in
No. of Strands Across 1
Length Through Bore 1.25 in
Outside Dia. [Min] 11.433 in
Keyway Size 1/4 x 1/8
Set Screw Size 5/16-18 X 5/16
Weight 11.0 LB
EAN or UPC 697950302775
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison