Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 06B Chain Size, 9.525mm Pitch, 32 Teeth, 12mm Bore Dia., 102.42mm OD, 5.21mm Width

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US$21.92
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Management number 221104991 Release Date 2026/05/03 List Price US$21.92 Model Number 221104991
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The Martin metric type A sprocket is suitable for use with series ISO 06B-1/metric 35 chain with 9.525 mm (0.375”) pitch. This sprocket has a narrow profile and no hub extension, and is easily adaptable for bushings, bearings, and sleeves. Varying numbers of teeth, pitch diameter, and stock bore size offer application flexibility. Made from high carbon steel, it has high strength and durability.The chain data for this class of sprockets is BS 228/3, ISO 06B-1; pitch is 9.53 mm (0.375”); roller diameter is 6.35 mm (0.250”); roller width is 5.72 mm (0.225”); and tensile strength is 910 kg (2,000 lbs.).The options for this class of sprocket are: number of teeth from 15 to 114; pitch diameter from 45.81 mm to 345.68 mm; stock bore size of 8 mm to 18 mm; and approximate weight from 0.07 kg to 3.13 kg. The nominal tooth width is 5.31 mm (0.209”). Maximum bores will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at angle to keyseat. All Martin sprockets meet or exceed ANSI standards.A sprocket is a wheel with teeth around the perimeter that meshes with a chain, track, or other perforated or indented material. Unlike gears that mesh with another gear, sprockets mesh with a chain, which then interacts with another sprocket. Gears can be used to transmit power around a corner, based on how they fit together. Sprockets with chains only work in straight lines. Some common benefits of chain-drive systems include minimal slippage, a fixed ratio between rotating shafts, and versatility with many different chain attachments and sprocket material selections. An example of a power transmission system is a standard bicycle, which has a sprocket and a chain to deliver power from the rider’s legs to the wheels making the bike move.Martin Sprocket & Gear, founded in 1951, manufactures power transmission and conveying products using machining, fabrication, forging, casting, plastic injection molding, and powered metal technology. It has facilities throughout the U.S., as well as in Canada, Mexico, China, and Brazil.

  • For use with 06B-1 chain, 9.525 mm pitch, meets ISO metric standards
  • Type A sprocket offers flexibility in mounting arrangements
  • Shaft diameter size from 8 to 18 mm for a variety of applications
  • Can be used with large-diameter shafts, and drilled for mounting or welded directly to other apparatuses
  • High carbon steel for strength and durability
Item Weight 9.6 ounces
Manufacturer MARTIN
Package Dimensions 4 x 4 x 0.5 inches

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