Grooveless Bearing Disc Spring High Load Heavy Duty 60Si2MnA Steel Clutch Diaphragm
Product Details
| Wall Thickness: | 3.5-8.0mm | Radial Stiffness: | 280-450N/mm |
|---|---|---|---|
| Load Variance: | ±2% | Stack Quantity: | 4-12 Pieces |
| Load Multiplication Ratio: | 4.2-6.8x | Compression At Ratio: | 1.2mm |
| Preload Range: | 5-25kN | Axial Play: | <0.02mm |
| Material Composition: | 60Si2MnA Spring Steel (0.62%C-2.05%Si-1.05%Mn) | Heat Treatment: | 870°C Quenching + 480°C Tempering |
| Hardness: | HRC 47-51 | Tensile Strength: | 1900MPa |
| Plating Thickness: | 60-80μm | Surface Hardness: | 450HV |
| Salt Spray Resistance: | 1000-hour Per ASTM B117 | Operating Temperature: | -30°C To 150°C |
| Shock Load Resistance: | 300% Of Rated Load | Fatigue Life: | 5×10⁶ Cycles |
| Preload Decay: | <8% | Bearing Compatibility: | Timken 32000 Series, SKF BT2 Series |
| Highlight |
Grooveless Bearing Disc Spring,Bearing Disc Spring 60Si2MnA,Steel clutch diaphragm |
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Product Description
- Heavy load uniform preload - Solid annular structure with enhanced wall thickness (3.5-8.0mm) and high radial stiffness (280-450N/mm)
- Uniform load force distribution - ±2% load variance across bearing rollers when multiple thickened discs (4-12 pieces) are parallel-stacked
- Load multiplication with same displacement - Achieving load multiplication ratios of 4.2-6.8x at 1.2mm compression
- Extends bearing service life by 35% compared to conventional spring washers
- Prevents bearing axial play (<0.02mm) and improves assembly stability
| Material | High-strength 60Si2MnA spring steel (0.62%C-2.05%Si-1.05%Mn) |
|---|---|
| Heat Treatment | 870°C quenching + 480°C tempering |
| Hardness | HRC 47-51 |
| Tensile Strength | 1900MPa |
| Surface Treatment | Mechanical zinc plating (60-80μm thickness) |
| Surface Hardness | 450HV |
| Corrosion Protection | 1000-hour salt spray resistance per ASTM B117 |
Shock Load Resistance: Up to 300% of rated load
Fatigue Life: 5×10⁶ cycles with <8% preload decay
Preload Requirements: 5-25kN for heavy-duty tapered roller bearings
Compatible Bearings: Timken 32000 series, SKF BT2 series
Product Highlights
Grooveless disc spring for tapered roller bearings. Provides uniform preload (5-25kN), 35% longer bearing life, and handles extreme conditions (-30°C to 150°C). Made from 60Si2MnA spring steel with zinc plating for durability.
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