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

40BS31 1

No. 40 - 1/2" Pitch - Single - Bored to Size Sprocket
Item #100807231
  • 40 Chain Number
  • 1 Strand
  • 31 Teeth
  • 5.217 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
  • 31 Teeth
  • 5.217 in Outside Diameter
  • 1 in Finished Bore

features

  • Conforms to ANSI B29.1-1975 standards
Hardened Teeth Without Hardened Teeth
Pitch Diameter [Min] 4.942 in
No. of Teeth 31
Width Across Teeth 0.284 in
Martin No. 40BS31
Sprocket Style B
Single Strand Tooth Thickness 0.284 in
Pitch Diameter 4.942 in
Bore Type Bored to Size
Inch/Metric Inch
Set Screw Size 5/16-18 X 5/16
Hub Dia. 3 1/4 in
No. of Strands Across 1
Finished Bore 1 in
Caliper Diameter 4.624 in
Hub Projection 0.72 in
Hub Length Thru 0.716 in
Chain Pitch 1/2 in
Chain No. 40
No. of Screws 2
Keyway w/Keyway & Set Screw
Outside Dia. 5.2170 in
Material Steel
Outside Dia. [Min] 5.2170 in
Length Through Bore 1 in
Keyway Size 1/4 x 1/8
Weight 3.1 LB
EAN or UPC 697950300634
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison