Martin 20L050 JA Solid Type EF-1 Stock Timing Pulley, 0.5 to 1.688 in QD® Bushed Bore, 2.357 in OD, 20 Grooves, 2.387 in Dia Pitch, 0.562 in W Face

20L050-JA-MAR MFG #: 20L050 JA
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Non-Stock Item
  • Bore Diameter: 0.5 to 1.688 in
  • Bore Type: QD® Bushed
  • Bushing Type: JA
  • Country of Origin: US
  • Face Width: 0.562 in
  • Flange Diameter: 2-5/8 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Steel
  • Number of Grooves: 20
  • Outside Diameter: 2.357 in
  • Overall Length: 1-5/16 in
  • Pitch: 3/8 in
  • Pitch Diameter: 2.387 in
  • Suitable For Use With: 1/2 in W Type L Belt
  • Type: Solid Type EF-1
Martin timing pulleys are manufactured to extremely close specifications and are stocked in minimum plain bore, taper bushed, QD bushed styles depending on size and pitch. Synchronous sprockets are non-slip toothed drives that require no lubrication. These sprockets have a wide speed range, are very efficient and make less noise than chain drives. Teeth on the belts are molded to conform with and engage the teeth on a mating sprocket.
  • Item Features
  • Exhibit many of the best features of chain drives and belt drives
  • Non-slip toothed drive with no metal to metal contact
  • No lubrication needed
  • Precise machining and processes ensure consistent finish and high quality