Product Information

Precision Ground Gears

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Precision ground gears facilitate quieter running and higher loads than finish cut gears. Northern Tool & Gear provide a cost effective high quality service for precision ground gears from 50mm pcd. to 1200mm pcd. Our gears are manufactured on the latest CNC threaded wheel and form grinders, backed up with on-site heat treatment and CNC gear inspection facilities.

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About us

Founded in 1945, NTG Northern Tool & Gear Company Ltd is a privately owned company with a strong reputation for manufacturing gearing components. Currently, NTG employs 60 people, with 48 directly involved in the production of gears and tools.

NTG serves a wide range of industries, including printing machines, mining equipment, defence, diesel engines, marine, agricultural machinery, and the specialist automotive sector. We are open to expanding into additional areas. Our current contracts have helped us achieve a turnover of £5 million.

Our Products Include:

Spur Gears
Spur gears, which have straight teeth, operate in boxes with parallel shafting. Northern Tool & Gear manufactures spur gears, both finish cut and gear ground, ranging from 50mm PCD to 1200mm PCD. These are produced using the latest CNC hobbers and gear grinders, with full CNC gear inspection and in-house heat treatment capabilities.

Helical Gears
Helical gears have angled teeth, known as the helix angle, which enables parallel axis gears to transmit power more efficiently and quietly than equivalent spur gears, thanks to improved contact transmission. Northern Tool & Gear manufactures helical gears and matching pinions, both finish cut and gear ground, using advanced CNC machinery. We produce sizes ranging from 50mm to 1200mm PCD, with full CNC gear inspection and in-house heat treatment support.

Straight Bevel Gears
Straight bevels, as the name indicates, are bevel gears with straight teeth, providing a straightforward and reliable way to transfer drive through an angle, typically 90 degrees. Northern Tool & Gear can produce straight bevel gears up to 215 PCD with a 35mm face width, offering on-site heat treatment and utilising a full Gleason test facility to ensure strict quality control.

Spiral Bevel Gears
Spiral bevels feature "curved" teeth, offering an efficient, quiet, smooth, and durable way to transmit drive through an angle.

Hypoid Bevel Gears
Spur gears, characterised by straight teeth, operate within boxes with parallel shafts. Northern Tool & Gear can produce spur gears, both finish cut and gear ground, in sizes from 50mm to 1200mm PCD. Production utilizes state-of-the-art CNC hobbers and gear grinders, supported by full CNC gear inspection and an in-house heat treatment facility.

In 1989, NTG earned the BS5750 Part 2 certification and currently holds the ISO 9001:2008 standard, reflecting our commitment to quality manufacturing for diverse clients using advanced machinery. NTG takes pride in maintaining high standards and excellent customer service. To uphold these goals, we have made significant investments in the latest CNC gear manufacturing and inspection machines. For a full view of our capabilities, please see our Plant List showcasing the extensive range of machinery used in our gear production.

For more information, feel free to reach out to us at the address above or through our contact page on our website.