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- Has Triple the Resistance to Magnetic Fields!
NTN Corporation has developed a rotation sensor bearing that is less susceptible to the strong magnetic fields generated from electrically driven motors and other items into which sensor bearings are now integrated. NTN is manufacturing this as a new standard series of bearings and sales will start in mid-April, 2005.
In recent years industrial machinery has been shifting towards the use of electrical control to make machinery simpler, automate processes, and reduce the load on the environment. The sensors required for this kind of electrical control are now widely used. Demand has increased for bearings with these built-in rotation sensors since the equipment can be made more compact and installing the sensor is not a problem.
The rotation sensor bearing made by NTN is proving popular with the majority of customers who say it is "resistant to surrounding magnetic fields" . In an ordinary rotation sensor bearings, problems such as a loss of the sensing function or no output signal occur due to the strong magnetic field generated during startup of high-output motors.
The new NTN bearing is highly resistant to magnetic fields. This was achieved by reviewing the design of the structural components, the material of the magnetic encoderNote1) and the magnetic sensor itselfNote2). A high precision rotation sensor bearing resistant to strong surrounding magnetic fields was successfully developed in this way.
These bearing models come in six types from bearing number 6202 through 6209.
Features
| Product Model | Inside Diameter | Outside Diameter | Thickness |