Gear bearings are, as their name implies, a combination of both gear and bearing functions in one component. Like gears, they feature teeth that intermesh with one another, and like bearings they do so to transfer radial and axial loads to bear weight and friction. Gear bearings improve drives in electrical, internal combustion, and turbine motors. The gear bearing design incorporates rifle-true anti-backlash, improved thrust bearing performance, and phase-tuning techniques for superior low-speed reduction. Because they combine both gear and bearing functions, gear bearings can reduce weight, number of parts, size and cost, and increase load capacity.
Gear bearings come with numerous benefits and advantages over conventional bearings. Because they eliminate backlash, they are smoother in operation and control. The teeth design in gear bearings gives them superior thrust bearing performance. Gear bearings can also run quieter and with less vibration and suffer fewer fatigue failures. They are also fairly cheap and simple to design and manufacture, while also being more structurally rigid and possess higher load capacity than fixed planetary designs. They can also enable all-electric actuator systems and eliminate hydraulics in many applications.
Gear bearings are used in countless applications. They can be found in almost all forms of transportation including automotive, aviation, marine, and rail. They are also vital for transmissions, electric windows, windshield wipers, steering mechanisms, alternators and generators, engines and propellers, and bearing landing gear. They can also be found in power tools like gardening equipment, chain saws, power drills, and screw drivers. In industrial machinery, they are used in power presses, lathes, and construction equipment, and in farming equipment like tractors, harvesters, and hay rollers.
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