World Leader in Bearing Inspection & Testing

No other source has the experience, capacity or capability to service your bearing qualification needs like NES — the World Leader.

• Global bearing sourcing and bearing qualification
• 20 years’ experience
• Bearing inspection, modeling and testing
• Evaluate bearing design, manufacturing capability, overall quality of workmanship

MPC® Synchronous Sprockets for Curvilinear Belts

Stocking over 350SKU of quality MPC Synchronous Sprockets in over 30 North American locations, delivering made-to-order parts in days not weeks. Martin MPC Synchronous sprockets are compatible with all leading curvilinear belts. Martin is the Synchronous Sprocket supplier you can rely on. Request more information about MPC® Synchronous Sprockets today!

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Torque Coupling For Quick Socket Interchange

This slip clutch coupling is attached to a drill press and the male output connects to various sockets. Both ends are fastened with an o-ring retained pin. An example of Mach III's rapid custom design capabilities, this unit was designed and quoted within 24 hours and manufactured in 3 weeks.

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Power Transmission Solutions by SDP/SI

Stock Drive Products/Sterling Instrument's timing belts and pulleys are used in many power transmission applications. We manufacture high-quality machined parts and molded components that are available off-the-shelf or customized to meet your needs. For all your small inch and metric mechanical components visit www.sdp-si.com.

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Couplings by Nordex, Inc.

A coupling is used to connect two shafts together with the purpose of transmitting power. Couplings provide for misalignment, reduce transmission of shock loads, protect against overloads, alter vibration characteristics, connect driving and driven part, slips when overload occurs.

There are many different types of couplings to choose from depending on your application.

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Timing Pulley Stock Guaranteed Shipping in 72 Hours*

• Preferred choice for pulley stock by OEMs for over 45 years.
• Popular pulley tooth designs including Trapezoidal inch and metric; AT metric; HTD® metric curvilinear; Gates PowerGrip® GT; and, Zero Backlash.
• Complete line of matching flanges.
• *See Pulley Stock Program details.


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Learn how SKF can improve gearbox performance.

SKF offers the unique ability to combine high-level engineering services with high-performance products and condition monitoring systems. Working together with SKF, you can achieve superior gear unit operation and drive performance.

• Increase operational reliability
• Increase transmitted torque
• Increase external load carrying capacity

BEARINX™ Easy Pump Calculation Tool from Schaeffler

Now available online — free of charge! The latest module from Schaeffler's popular BEARINX-online calculation software, Easy Pump is the only online calculation tool specifically designed for bearing arrangements in fluid pumps. With Easy Pump, users can quickly and easily select suitable rolling bearings for vertical and horizontally mounted hydraulic pumps.

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Inline speed reducer has flexible input

When shipping your machines domestically or around the world, you typically need a different gearbox if you want the motor frame to correspond to the destination. Not with the Varvel from DieQua. This video shows how the exact same reducer handles NEMA, IEC or servo motors.

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Gearbox Combines Speed, Efficiency and Low Noise

PSBN gearboxes are planetary units optimized for high-speed operation without excess noise or heat generation. Some models can handle input speeds up to 14,000 RPM yet still run quietly at just 57 dBA. Heat generation is also kept to a bare minimum—with efficiency ratings as high as 98% at full load.

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Renew Today and Rest Easy

Subscribe (or re-subscribe) today to keep your Power Transmission Engineering coming without interruption. Digital subscriptions are free, anywhere in the world (mailed copies are free in North America). Do this today, and we won’t bother you with pesky renewal notices or telemarketers for a full year!

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Smalley Expands Wave Spring Series

The question you are asking should not be how many miles did I ride or how many steps did I take, but "how did someone make a wave spring that small?" As engineers around the world design smaller and smaller assemblies, the question becomes, where can I find the compact components to support my designs?

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