Product Announcements:
Gears and Gearing

KHK USA Inc. is Factory Direct with our manufacturer in Japan and offers a 3 Day Factory Shipment (without paying customs charges) for just a flat $25.00 expedite fee. Read more...

To design gears, it is necessary to have technical knowledge of gears as mechanical element. This is true even when using already designed standard gears.

Among the required knowledge are various formulas for calculating gear strengths and sizes, knowledge regarding the gear types and specialized vocabulary, gear train's speed ratios and rotational directions, teeth forms and teet... Read more...

KHK Gears (Kohara Gear Industry) is a leading manufacturer of stock gears in JAPAN handling production and distribution of a large variety of stock gears.

While many gear manufacturers make gears only after receiving orders, our strength is having stock for quick delivery. By offering secondary operations on stock gears you have the convenience of being able to buy even one piece... Read more...

We introduce many gear applications on this page. In order to effectively use gears in mechanical designs, it is necessary to have ideas and experiences besides having the knowledge of strength and size calculations and understanding of mechanical drawings. Read more...

KHK has invested over 87 years into the production of metric gears. This dedication to one product line has resulted in the sourcing of world-class equipment, and the training of our personnel in world-class production methods. The videos below detail some of the daily activities on the factory floor. Read more...

Please click here to access the FREE Gear Calculation Software and FREE Gear Drafting Software programs created by Kohara Gear Industry (KHK). With a few known parameters, these programs will help you design the best gear geometry for your unique application. Please contact us at 516-248-3850, to discuss the production of your design. Read more...

Upload your detailed drawing, 3D model, or description Read more...

KHK USA Inc offers 200 styles of stock gearing products with over 26,000 unique configurations available. KHK's product offering includes metric spur gears, metric helical gears, metric internal ring gears, straight and helical metric gear racks, metric circular pitch (CP) racks and pinions, straight, spiral, zerol & hypoid tooth metric bevel gears, straight, spiral, & zerol toot... Read more...

Stock Drive Products/Sterling Instrument stock gear racks are available in a wide range of pitches, modules, and materials, including steel, hardened steel, brass, stainless steel, machined cast nylon, molded acetal, and aluminum. Shop SDP/SI - One single source! Read more...

SDP/SI stock planetary gearheads include the high performing, extremely efficient PAC series (S91..(A,T)MPAC) and PAN series (S91..(A,T)MPAN) equipped with a NEMA output flange. For dependable performance, design, mounting, and value shop SDP/SI for gearheads, motors, and motion control products. Read more...