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The Baldor•Dodge high torque HT500 Synchronous Drive product line utlizes a modified curvilinear tooth profile to delivers high torque, low maintenance, and high energy efficiency with less overhung load than V-belt drives. The HT500 product family features a complete offering of synchronous sprockets with shaft attachment options including TAPER-LOCK® and QD* bushings (Fin fan); as well as minimum plain bore sprockets (MPB), and idler sprockets available from stock.


  • Available in 8mm & 14mm metric pitches covering a range from fractional to 1500HP.•
  • 5% or more energy efficient
  • More torque with less belts
  • Compact design
  • Less maintenance
  • Less belt pull
  • Synchronous belts do not need to be re-tensioned after it is installed HT500 belt runs slip free requiring less maintenance and re-tensioning (over traditional V-belts)
  • HT500 belts operate in wet, dusty, and oily environments, it also has the capability to handle higher temperature than V-belts
  • No lubrication required when compared to roller chain drives - savings opportunity
  • Ideal to convert legacy 20mm HTD drive system - cost savings opportunity with drive optimization

Modifications & Accessories

  • Materials:

    • Cast Iron
    • Ductile Iron
    • Steel
    • Stainless Steel
    • Aluminum
  • Cast Iron, Steel, Stainless Steel and Aluminum Bar stocked through 15”
  • Ductile Bar stocked through 30”
  • Larger diameters available using standard and special castings
  • Plating: Zinc & Nickel
  • Shaft attachments: TAPER-LOCK®, QD, Split-Tapered
  • Bores: Minimum-Plain-Bore (MPB) and Custom Sizes

common applications

  • Unit and bulk material conveyors
  • Air handling fans, clinker cooler fans, blowers and exhausts
  • Pumps (slurry - large HP) and compressors
  • Crushers, shredders, breakers, classifiers, shaker screens
  • Woodworking saws, mills, planers, lathes
  • Machine tools

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