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

40BS27 1 1/4

No. 40 - 1/2" Pitch - Single - Bored to Size Sprocket
Item #100807181
  • 40 Chain Number
  • 1 Strand
  • 27 Teeth
  • 4.578 in Outside Diameter
  • 1.25 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
  • 27 Teeth
  • 4.578 in Outside Diameter
  • 1.25 in Finished Bore

features

  • Conforms to ANSI B29.1-1975 standards
Sprocket Style B
No. of Strands Across 1
Finished Bore 1 1/4 in
Martin No. 40BS27
Hub Length Thru 0.716 in
Inch/Metric Inch
Material Steel
Keyway w/Keyway & Set Screw
Length Through Bore 1 in
No. of Screws 2
Outside Dia. 4.5780 in
Set Screw Size 5/16-18 X 5/16
Bore Type Bored to Size
No. of Teeth 27
Keyway Size 1/4 x 1/8
Single Strand Tooth Thickness 0.284 in
Pitch Diameter [Min] 4.307 in
Outside Dia. [Min] 4.5780 in
Chain Pitch 1/2 in
Hardened Teeth Without Hardened Teeth
Chain No. 40
Pitch Diameter 4.307 in
Width Across Teeth 0.284 in
Caliper Diameter 3.9876 in
Hub Projection 0.72 in
Hub Dia. 3 1/4 in
Weight 2.66 LB
EAN or UPC 697950299594
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison