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  • Martin DF-1 Type Timing Pulley, Plain Bore, Double Flange
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by Martin

Martin DF-1 Type Timing Pulley, Plain Bore, Double Flange

Available in multiple versions

Price: $13.28 - $41.45
Product Specifications
Brand Name Martin
UNSPSC Code 26111807

This Martin DF-1 type timing pulley is suitable for use with trapezoidal to... Read full product description

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1.7600 inches 0.375 inches 1.76" OD, 1.25" Overall Length, 15 Grooves 15L050 B004BDO29M
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1.9990 inches 0.375 inches 1.999" OD, 1.375" Overall Length, 17 Grooves 17L050 B004BDO2AQ
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2.357 inches 0.375 inches 2.357" OD, 1.875" Overall Length, 20 Grooves 20L100 B004BDO2QU
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2.4770 inches 0.375 inches 2.477" OD, 1.4375" Overall Length, 21 Grooves 21L050 B004BDO2D8
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2.5960 inches 0.375 inches 2.596" OD, 1.5" Overall Length, 22 Grooves 22L050 B004BDO2DS
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2.5960 inches 0.375 inches 1.88" OD, 1.625" Overall Length, 16 Grooves 16L075 B004BDO2I8
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2.8350 inches 0.375 inches 2.835" OD, 1.5" Overall Length, 24 Grooves 24L050 B004BDO2EC
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7.1320 inches 0.375 inches 1.88" OD, 1.875" Overall Length, 16 Grooves 16L100 B004BDO2O2
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8.5640 inches 0.375 inches 1.999" OD, 1.875" Overall Length, 17 Grooves 17L100 B004BDO2OW
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9.9970 inches 0.375 inches 2.119" OD, 1.875" Overall Length, 18 Grooves 18L100 B004BDO2PG
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Product Features

  • Grooved design for applications requiring synchronous rotation
  • Steel for resistance to wear
  • For use with same-pitch trapezoidal tooth belts
  • Stock bore, does not require use of a bushing
  • Double flange to resist belt side thrust and maintain belt contact

Product Details

Product Description

This Martin DF-1 type timing pulley is suitable for use with trapezoidal tooth belts in power transmission applications that require synchronous rotation. This pulley has a plain bore and mounts to a drive shaft using setscrews. Double flanges on the pulley resist side thrust and maintain belt contact, and the steel construction resists wear. Timing pulleys are a type of drive pulley and are used in a wide range of mechanical and electronic drives, including automotive and printing industries.

Pulley drive systems consist of two or more pulleys that connect with a belt to transmit mechanical power across greater distances than systems that use gears. Pulleys (sheaves) are available in different types: V-belt, timing, round, or flat. Pulleys must match the belts that connect them (timing pulleys with trapezoidal grooves require a belt with trapezoidal teeth) and engage either on the sides of the pulley flange (classical V-belts, narrow V-belts, or round belts), on the flat outer diameter of the pulley (flat belts), or in pulley grooves that match belt teeth (timing belts, synchronous belts, or curvilinear belts). Pulleys are made of various materials, including cast iron, steel, aluminum, polycarbonate resin thermoplastic, and nylon, and they can meet a broad range of requirements, including increased torque, resistance to wear, and light weight. Pulleys are used in drive designs in the automotive, appliance, agriculture, textile, printing, mining, and office equipment industries.

Martin Sprocket & Gear manufactures power transmission products, material handling components, and industrial hand tools. The company, founded in 1951 and headquartered in Arlington, TX, meets International Organization for Standardization (ISO) standard 9001:2008.

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