Martin

Martin 40BS12 1 Bored-to-Size Type BS Single Pitch Roller Chain Sprocket With Keyway, 1 in Dia Bore, 2.166 in OD, #40 Chain, 12 Teeth, 1/2 in Pitch, Steel

40B12X1-MAR MFG #: 40BS12 1
$26.62 / EA
Non-Stock Item
Martin 40BS12 1 Bored-to-Size Type BS Single Pitch Roller Chain Sprocket With Keyway, 1 in Dia Bore, 2.166 in OD, #40 Chain, 12 Teeth, 1/2 in Pitch, Steel
  • Bore Diameter: 1 in
  • Chain Size: #40
  • Country of Origin: US
  • Hub Diameter: 1.593 in
  • Keyway Size: 1/4 x 1/8 in
  • Length Through Bore: 7/8 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Steel
  • Number of Teeth: 12
  • Outside Diameter: 2.166 in
  • Pitch: 1/2 in
  • Pitch Diameter: 1.932 in
  • Screw Size: 1/4-20 x 1/4 in
  • Type: Bored-to-Size Type BS
These finished bore sprockets are shaft ready and come complete with keyways and setscrews. The keyways are on center line of the tooth. Bored to size sprockets with 1/2 in bores and smaller are stocked with (2) setscrews only.
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  • Includes
  • Standards
  • Item Features
(2) Setscrews
PROP65: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov
  • Keyway is on center line of tooth
  • Stock finished bores
  • Non-hardened teeth
  • Precise machining and processes ensure consistent finish and high quality
  • Bores are concentric to pitch line, minimizing run out
  • 2 set screws keyed on centerline of tooth