Skip to content Skip to navigation menu
Finished Bore Sprocket

40BS57 7/8

Finished Bore Sprocket
Item #100807456
  • 40 Chain Number
  • 1 Strand
  • 57 Teeth
  • 9.363 in Outside Diameter
  • 0.875 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
  • 57 Teeth
  • 9.363 in Outside Diameter
  • 0.875 in Finished Bore

features

  • ANSI 100 chain
  • 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
Hardened Teeth Without Hardened Teeth
Sprocket Style B
Finished Bore 7/8 in
Keyway Size 3/16 x 3/32
Bore Type Bored to Size
No. of Strands Across 1
Width Across Teeth 0.284 in
Length Through Bore 1.125 in
Set Screw Size 1/4-20 x 1/4
Caliper Diameter 8.761 in
Hub Length Thru 0.841 in
No. of Screws 2
Pitch Diameter 9.0764 in
No. of Teeth 57
Chain No. 40
Keyway w/Keyway & Set Screw
Pitch Diameter [Min] 9.0764 in
Chain Pitch 0.5 in
Hub Dia. 3 1/2 in
Hub Projection 0.84 in
Outside Dia. [Min] 9.363 in
Material Steel
Single Strand Tooth Thickness 0.284 in
Outside Dia. 9.363 in
Inch/Metric Inch
Weight 7.02 LB
EAN or UPC 697950302546
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison