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Primary and Secondary Drives | Nuttall Gear

The drivetrains are positioned near the pivot point of the center swing section. Counterweights are not required to balance the center span for this type of bridge, however, for larger spans increased stiffness in the construction can result in significant weight increases.

Product Features

  • Through-hardened or carburized helical gearing
  • Carburized or through-hardened bevel gearing
  • Welded steel housings for strength and durability
  • All welds inspected by an Independent Certified Weld Inspector (CWI)
  • In-house no-load testing and load testing to 500 HP
  • “Buy USA” requirement, including country of origin for the steel
  • ASTM A668 and ASTM A829 key steel stock
  • Premium primers and top coats
  • Easily-removed protective coatings for non-painted surfaces
  • Chemical CMTRs for all components, both rotating and stationary, including gearing, shafts and case material.
  • Physical CMTRs for rotating components
  • Gearing inspected per AGMA 6010-E88
  • Hygroscopic or moisture trap breathers
  • Minimum L10 bearing life rating (typically 40,000 hours)
Click on image below to download pdf. To order hard copies of literature click here.

Product Catalog

  • Gear Drives Speed Reducers, Speed Increasers, & Gearmotors

Related Literature

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Contact Info

Nuttall Gear
2221 Niagara Falls Blvd.
Niagara Falls, NY 14304-5710
Phone: 1-716-298-4100
Email: info@nuttallgear.com

Nuttall Gear Primary Secondary Drives
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