Bearing Disc Spring for Angular Contact Bearings: Stable Preload Control, Vibration Damping, and 50CrVA Alloy Steel Construction
Product Details
| Maximum Speed: | 20,000 RPM | Rotational Accuracy: | ≤0.002mm Runout |
|---|---|---|---|
| Vibration Amplitude: | ≤0.01mm Peak-to-peak | Tolerance Class: | IT5 |
| Load Force Variance: | ±2% | Preload Adjustment Range: | 500N To 5000N |
| Axial Runout: | ≤1μm | Material: | 50CrVA Alloy Steel |
| Tensile Strength: | 1250-1400MPa | Hardness: | HRc 45-50 |
| Surface Treatment: | Black Oxide | Salt Spray Resistance: | 72-hour |
| Preload Force Variation: | ±3% | Fatigue Cycles: | 10⁷ |
| Power Range: | 1.5kW To 15kW | Vibration Reduction: | 30% |
| Maintenance Extension: | 40% | Disc Stack Range: | 2-8 Discs |
| Load Distribution: | Uniform | Bearing Specification: | ISO 104 |
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Product Description
Our Bearing Preload Disc Spring serves as the ideal dedicated component for angular contact bearing assemblies operating at high speeds up to 20,000 RPM. Engineered to maintain rotational accuracy (≤0.002mm runout) and minimize vibration amplitudes (≤0.01mm peak-to-peak), this precision component ensures optimal performance in demanding applications.
- Available in grooved (high-speed) and grooveless (heavy-load) series
- Precision-machined annular design with tolerance class IT5
- Perfect interface with angular contact bearing raceways (ISO 104 specification)
- Uniform load force distribution with ±2% variance in parallel stacks of 2-8 discs
- Load multiplication with the same displacement for stepless preload adjustment (500N to 5000N)
Constructed from 50CrVA alloy steel with tensile strength of 1250-1400MPa and hardness HRc 45-50. Features black oxide surface treatment compliant with MIL-DTL-13924, providing 72-hour salt spray resistance. Maintains stable preload force (±3% variation) over 10⁷ fatigue cycles.
Field validation in CNC machine tool spindles (e.g., DMG MORI NTX series) and precision servo motors (1.5kW to 15kW) demonstrates 30% reduction in bearing vibration and 40% extension in maintenance intervals compared to conventional wave washers. Accommodates diverse precision requirements from ultra-precision spindles (≤1μm axial runout) to heavy-duty gearboxes.
Product Highlights
Precision disc spring for angular contact bearings. Ensures stable preload control, reduces vibration by 30%, and extends maintenance intervals by 40%. Made from 50CrVA alloy steel with 10⁷ fatigue life. Ideal for CNC spindles and servo motors.
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