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Spur Gears Helical Bevel Gears Ring Screw Gear Racks Miter & Worm Wheels Gearheads Couplings Ratchets
Spur Gears, Helical Gears, Bevel Gears, Ring Gears, Screw Gears, Gear Racks, Miter Gears, Worms, Worm Wheels, Gear Couplings, Involute Splines, Ratchets & Pawls


KHK Stock Gears are proudly produced by Kohara Gear Industry of Saitama Japan and stocked in North America by Quality Transmission Components


Spur Gears, Bevel Gears, Gear Racks, Miter Gears, Worms, Worm Wheels, Gearheads
Formulas and Equations for gear geometry and strength.

Elements of Gear Technology
Comprehensive Technical Reference Section
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 Timing Belts, Timing Pulleys, Roller Chains, Sprockets, Tensioners, Planetary Gearheads, Diametral Pitch gears
   Q470 Catalog


Metric Spur Gears, metric Bevel Gears, Metric worm gears, Metric gear racks, Metric ring Gears
   Q420 Catalog
Metric Planetary Gearheads
 
 

Selecting stock metric gears has been simplified since the introduction of our latest catalog, Q420: The Handbook of Metric Gears. In addition to the product offerings, this 528-page catalog contains a comprehensive technical reference section entitled "Elements of Gear Technology". The topics covered include the principles of involute gearing, gear dimension calculations, the definition of backlash, plastic gear design, elements of gear accuracy, principles of surface contact, methods of lubrication and methods for noise reduction. The product section includes detailed specifications for our complete offering of:

These products are offered in sizes from module 0.5 thru module 10, in materials that include alloy steel, carbon steel, stainless steel, cast iron, aluminum bronze, brass, cast bronze, nylon, and acetal.

QTC also offers over 9,000 off-the-shelf timing belt pulleys, belts, belt and roller chain tensioners and other power transmission components. These products designed for use in prototypes or for production applications are featured in our companion catalog Q470.

The 368 page catalog features Econobelt brand timing belts and pulleys in 11 different profiles: MXL, XL, L, HTD3, HTD5, HTD8, T2.5, T5, T10, AT5 and AT10. The belts are made of fiberglass-reinforced neoprene and the pulleys are made of steel, aluminum and nylon. Also available are belt clamps and clamping kits.

The catalog also includes over 330 Zetasassi belt and chain tensioners which are designed to improve performance by keeping constant tension in your chain or belt drive. These maintenance-free tensioners are designed to reduce noise, transmit torque more efficiently, decrease wear, plus increase the life of your belts and chain.

Other new products include spur, worm and miter gears in 4 DP thru 64 DP. These gears are available in steel, brass and acetal. The catalog also includes roller chain, roller sprockets, taper bushings and a section detailing Planetary Gearheads, size 52, 78 and 98 in single and double stage design. All of our products can be viewed at: http://www.qtcgears.com for metric gears and http://www.econobelt.com for all other power transmission components.

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