Trelleborg’s bearings keep MRI machines rotating
Durobal® allows 360-degree smooth rotation of the MRI scanner table and very importantly, made entirely of thermoplastics and glass, the bearing eliminates potential magnetic interference.
Trelleborg Sealing Solutions developed and supplies a custom Durobal® bearing to a major MRI equipment manufacturer for its MRI scanner table. Because the scanner operates in a very strong magnetic field, the table’s bearing had to be completely non-metallic. The Durobal® allows the table to move in/out and laterally smoothly on the machine’s bearing surface, providing added comfort and extra security to the patient during MRI procedures.
Unique Features and Benefits
“Life sciences applications are a key focus for Trelleborg Sealing Solutions,” says Ralf Gergen, Segment Manager, Life Sciences Europe. “Durobal® is not a new product but we are finding that its unique features are providing benefits in new applications. With non-metallic solutions available, such as the one used in the MRI scanner, we see potential for further medical uses.”
For the MRI scanner the two bearing roller elements were mounted in a flanged housing. Unique features of this design include low friction, self-lubrication and zero maintenance.
Durobal® rolling element bearings are ideal for high speed, low-load applications and being constructed of plastic, offer significant advantages over traditional metal components. The bearing can be designed as a single bearing and sealing element that often consolidates a number of components. This can lower total cost, improve integrity and enhance overall product performance, providing customers with real competitive advantage.
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