High-precision bearings for X-ray tube rotor assemblies enabling smooth rotation and minimal vibration in medical imaging equipment.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Width | 10-30 mm | |
| Clearance | C3/C4 for thermal expansion | |
| Lubrication | High-temperature grease or oil-mist systems | |
| Speed Rating | Up to 15,000 RPM | |
| Bore Diameter | 10-50 mm | |
| Load Capacity | Dynamic: 5-20 kN, Static: 3-15 kN | |
| Outer Diameter | 30-100 mm | |
| Precision Grade | ABEC 7 or higher (P4/P2) | |
| Operating Temperature | -40°C to 300°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
The X-ray tube rotor assembly is a critical rotating component within medical X-ray tubes used in diagnostic imaging equipment.
Compact electric motor for circulating air across refrigerator evaporator coils.
A rotating cylindrical component that removes moisture from materials through heat transfer and evaporation.
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X-ray tube bearings operate in vacuum or controlled environments, withstand higher temperatures (up to 300°C), require specialized high-temperature lubricants, and must maintain extreme precision (ABEC 7 or higher) to prevent image artifacts from mechanical vibration.
Typically 3-7 years depending on usage intensity, but monitoring through vibration analysis and thermal imaging can predict failure. Preventive replacement is recommended when wear indicators exceed manufacturer specifications.
Yes, ceramic hybrid bearings (silicon nitride balls with steel races) reduce friction, handle higher temperatures better, and have longer service life, though at higher initial cost.
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