Skip to content Skip to navigation menu
No. 40 - 1/2" Pitch - Single - Bored to Size Sprocket

40BS12 1

No. 40 - 1/2" Pitch - Single - Bored to Size Sprocket
Item #100806929
  • 40 Chain Number
  • 1 Strand
  • 12 Teeth
  • 2.166 in Outside Diameter
  • 1 in Finished Bore
  • Without Hardened Teeth
+ Show More + Show Less
No. 40 - 1/2" 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
  • 40 Chain Number
  • 1 Strand
  • 12 Teeth
  • 2.166 in Outside Diameter
  • 1 in Finished Bore

features

  • Conforms to ANSI B29.1-1975 standards
Hub O.D. 1.563 in
Sprocket Style B
Hardened Teeth Without Hardened Teeth
Hub Dia. 1.593 in
Finished Bore 1.000 in - 1 in
Set Screw Location (1) Over Keyway and (1) At 90°
Chain Sprocket Number 40
Keyway w/Keyway & Set Screw
Chain No. 40
Width Across Teeth 0.284 in
Inch/Metric Inch
Hub Recess Width 0.19 in
Material Internal Use Atomized Metals
Chain Pitch 0.500 in
Outside Dia. 2.1660 in
No. of Teeth Rows Strands 1
Construction Internal Solid With Recess
Keyway Size 1/4 x 1/8 in
No. of Screws 2
Hub Recess Depth 0.08 in
Martin No. 40BS12
Material Steel
Caliper Diameter 1.6199 in
Hub Recessed 1
O.D. 2.166 in
Pitch Diameter 1.932 in
No. of Strands Across 1
Material External Use Steel
Bore Type Finished Bore
Outside Dia. [Min] 2.1660 in
Finished Bore Size 1 in
Pitch Dia. 1.932 in
Single Strand Tooth Thickness 0.284 in
No. of Teeth 12
Pitch Diameter [Min] 1.932 in
Hub OD @ Recess 1.44 in
Set Screw Size 5/16-18 UNC
Hub Length Thru 0.591 in
Chain Sprocket Pitch 0.5 in
Length Through Bore 0.875 in
Key Way Size 1/4 X 1/8 in
Hub Projection 0.59 in
Weight 0.31 LB
EAN or UPC 697950003740
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison