NTN launches ceramic ball bearings for electric motor applications



NTN claims that its ceramic ball bearings are useful in a number of applications in a variety of industries. Photo: NTN

NTN Bearing Corp. of America has added ceramic ball bearings for electric motor applications to its new product offering.

NTN’s new series of ceramic ball bearings have been specially designed to prevent arcing in a variety of applications, the company says.

“We are delighted to offer another high quality bearing solution to our customers,” said James Misch, Director of Marketing and Technical Services at NTN. “The electric motor industry in particular presents many challenges due to the nature of the industry and the potential exposure of bearings to stray electric currents. This new product innovation is designed to combat multiple potential failure modes, giving our customers the peace of mind that their operations will not be affected by unplanned downtime.

NTN claims that its ceramic ball bearings are ruggedly designed with steel bushings and cages, but feature ceramic balls instead of standard steel balls. They are useful in a number of applications in a variety of industries, the company adds.

Since ceramic is non-conductive, NTN claims the material is ideal for applications where stray currents are present.

NTN’s ceramic ball bearing offering comes with two shields, electric motor grease and C3 set as standard. The company says it stocks some of the more common bearing sizes while also offering bearings with bore diameters of up to 65mm.


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