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

40BS12 5/8

No. 40 - 1/2" Pitch - Single - Bored to Size Sprocket
Item #100806932
  • 40 Chain Number
  • 1 Strand
  • 12 Teeth
  • 2.166 in Outside Diameter
  • 0.625 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
  • 0.625 in Finished Bore

features

  • Conforms to ANSI B29.1-1975 standards
O.D. 2.166 in
Set Screw Location (1) Over Keyway and (1) At 90°
Martin No. 40BS12
No. of Strands Across 1
Hub Recess Width 0.19 in
Chain Pitch 0.500 in
Outside Dia. 2.1660 in
Set Screw Size 1/4-20 UNC
Construction Internal Solid With Recess
Pitch Diameter 1.932 in
Keyway Size 3/16 x 3/32 in
Material Steel
Bore Type Finished Bore
Hub Dia. 1.593 in
Hub Recessed 1
Inch/Metric Inch
Sprocket Style B
Width Across Teeth 0.284 in
No. of Teeth 12
Key Way Size 3/16 X 3/32 in
Hub O.D. 1.563 in
Chain Sprocket Pitch 0.5 in
Caliper Diameter 1.6199 in
Material External Use Steel
No. of Teeth Rows Strands 1
Pitch Dia. 1.932 in
Outside Dia. [Min] 2.1660 in
Chain Sprocket Number 40
Chain No. 40
Finished Bore Size 0.625 in
Finished Bore 0.625 in - 5/8 in
Hardened Teeth Without Hardened Teeth
Material Internal Use Atomized Metals
Hub Recess Depth 0.08 in
Keyway w/Keyway & Set Screw
Hub OD @ Recess 1.44 in
Pitch Diameter [Min] 1.932 in
Single Strand Tooth Thickness 0.284 in
Hub Projection 0.59 in
Length Through Bore 0.875 in
No. of Screws 2
Hub Length Thru 0.591 in
Weight 0.34 LB
EAN or UPC 697950003702
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison