High-precision bearings designed for minimal friction and maximum accuracy in rotating machinery applications.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Width | 9-23 mm | |
| Speed Limit | 15,000-40,000 rpm | |
| Axial Runout | < 3 μm | |
| Bore Diameter | 10-50 mm | |
| Radial Runout | < 2 μm | |
| Precision Class | ABEC 7/9 or ISO P4/P2 | |
| Outside Diameter | 30-90 mm | |
| Static Load Rating | 5-25 kN | |
| Dynamic Load Rating | 10-45 kN | |
| Operating Temperature | -30°C to +120°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
A precision rotating assembly that holds and positions the coil form during the winding process in a motor winding machine.
A precision rotating assembly that holds and drives optical lenses during polishing operations
A precision rotating assembly that holds and positions the winding spindle in an electric motor stator winding machine.
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Precision bearings feature tighter tolerances (ABEC 7/9 or higher), superior surface finishes, controlled internal clearances, and optimized geometry to minimize vibration and heat generation at high speeds—critical for maintaining consistent tension and material quality in winding operations.
Lubrication intervals depend on operating speed, load, and environment. Typically, regreasing is required every 1,000-3,000 operating hours. Sealed bearings may require less frequent maintenance, but monitoring temperature and vibration is essential to determine optimal schedules.
Yes, ceramic (silicon nitride) rolling elements offer advantages including lower density, higher stiffness, reduced thermal expansion, and electrical insulation. They enable higher speeds with less lubrication but at higher cost. Hybrid bearings (ceramic balls with steel races) provide a balanced solution.
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