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Pitch:

Bore Diameter:

Number of Teeth:

Hub Diameter (if applicable):

Outside Diameter:

Length Through Bore:

Weight:

Material:

Sprocket Style:

Idler Sprocket?

Idler Style:

Standard Hubs:

Specialty Hubs:

Shaft Mounting:

Help with ANSI Roller Chain Sprockets specifications:

Pitch
   Pitch      English roller chain and sprockets are categorized according to ANSI B 29.1M. The number can be used to identify pitch in the following way: the first digits identify the pitch in 1/8" increments, and the last digit is 0 for standard proportions, 1 for lightweight chain, and 5 for rollerless bushed chain. A #41 sprocket is therefore for 1/2"-pitch lightweight chain, a #120 sprocket is for 1-1/2" pitch chain, etc.
   Your choices are...         
   Subminiature (<0.1475")       Sprocket pitch is classified as subminiature, or less than 0.1475". 
   Miniature (0.1475")       Sprocket pitch is classified as miniature, or 0.1475" 
   25 (1/4")       Sprocket pitch is 1/4" and is used for rollerless bushed chain. 
   35 (3/8")       Sprocket pitch is 3/8" and is used for rollerless bushed chain. 
   41 (1/2")       Sprocket pitch is 1/2" and is used for lightweight chain. 
   40 (1/2")       Sprocket pitch is 1/2" and is used for standard roller chain. 
   50 (5/8")       Sprocket pitch is 5/8" and is used for standard roller chain. 
   60 (3/4")       Sprocket pitch is 3/4" and is used for standard roller chain. 
   80 (1")       Sprocket pitch is 1" and is used for standard roller chain. 
   100 (1 1/4")       Sprocket pitch is 1 1/4" and is used for standard roller chain. 
   120 (1 1/2")       Sprocket pitch is 1 1/2" and is used for standard roller chain. 
   140 (1 3/4")       Sprocket pitch is 1 3/4" and is used for standard roller chain. 
   160 (2")       Sprocket pitch is 2" and is used for standard roller chain. 
   180 (2 1/4")       Sprocket pitch is 2 1/4" and is used for standard roller chain. 
   200 (2 1/2")       Sprocket pitch is 2 1/2" and is used for standard roller chain. 
   240 (3")       Sprocket pitch is 3" and is used for standard roller chain. 
   320 (4")       Sprocket pitch is 4" and is used for standard roller chain. 
   400 (5")       Sprocket pitch is 5" and is used for standard roller chain. 
   >5"       Sprocket pitch is greater than 5". 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Dimensions
   Bore Diameter:       Diameter of center bore for shaft mounting. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Number of Teeth:       Number of teeth for a specified pitch will determine sprocket size and drive ratio. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Hub Diameter (if applicable):       Outside diameter of desired hub. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Outside Diameter:       This is the diameter of the sprocket including teeth. It is primarily of concern if clearance is an issue. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Length Through Bore:       The total width of the sprocket, including hub(s). 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Weight:       The unit weight of the sprocket. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Material
   Material:      Material selection is dependent on factors such as required power transmission and speed, environmental factors such as temperature and exposure to corrosive elements, and other factors such as noise generation. Consult with a sprocket manufacturer on a specific application to optimize material selection.
   Your choices are...         
   All Plastic       Teeth, web, and hub are all plastic; used where component weight is a design consideration, for quiet running, and in light-to medium duty applications. 
   Plastic Teeth / Metal Insert       Plastic teeth allow for lightness and corrosion resistance.  Metal is used for the hub or hub insert to allow closer tolerance fit onto shafts, press-on applications, etc. 
   Steel - Standard       A commercial iron that contains carbon in any amount up to about 1.7 percent as an essential alloying constituent. It is malleable when under suitable conditions, and is distinguished from cast iron by its malleability and lower carbon content. 
   Steel - Hardened       Steel may be hardened in a number of ways, including a variety of quenching techniques in oil and water, being passed through induction chambers, etc. Quickly cooling steel during processing freezes, traps and packs the carbon atoms inside the shrunken iron crystals, thereby producing a very hard and brittle metal. Although very hard, it is less resistant to shock or impact. 
   Steel - Stainless       Stainless steel refers to a broad family of steels that is chemical and corrosion resistant; is typically not hardened or hardenable to the same extent as standard carbon steels. 
   Other       Unlisted or specialized sprocket material. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Sprocket Style
   Sprocket Style       
   Your choices are...         
   Single       One sprocket on one hub. 
   Double       Two sprockets on one hub. 
   Triple       Three sprockets on one hub. 
   Quadruple       Four sprockets on one hub. 
   Quintuple and Higher       Five or more sprockets on one hub. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Idler Style
   Idler Sprocket       Idler sprockets rotate freely while taking up slack and providing tension to a chain drive system. They are used as tensioners and occasionally to provide chain clearance around a machine component. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Idler Style:       
   Your choices are...         
   Bronze Bushing       Bronze bushings are typically impregnated with oil. 
   Ball Bearing       Center ball bearing allows idler free rotation. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Hub Style
   Standard Hubs       
   Your choices are...         
   Type A (Hubless)       Hubless; designed for attachment via interference press, adhesive attachment, etc. 
   Type B (Hub One Side)       Hub projects from only one side of the sprocket. 
   Type C (Hub Both Sides)       Hub projects from both sides of the sprocket. 
   Type D (Detachable Bolt-on Hub)       Detachable bolt-on hub; suitable for removing for frequent sprocket changes, maintenance, etc. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Specialty Hubs       
   Your choices are...         
   Tapered Bushing       Tapered bushings are tightened down onto the shaft like a collet to minimize shaft marring. 
   Shear Pin Hub       Shear pin provides protection against drive system jamming or overload. Torque is carried by shear pin, which is necked to shear when safe load is exceeded. 
   Other       Select for hub style not listed. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Shaft Mounting
   Shaft Mounting       
   Your choices are...         
   Set Screw(s)       Screws tighten directly onto shaft for sprocket attachment. 
   Keyway       One or more square-edged cutouts designed to mate with a shaft key. 
   Simple Bore       Simple bore sprockets are typically designed for press-fit or adhesive mounting. 
   Other       Proprietary or specialized shaft attachment design. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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