9717K52
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| Part Number | JHBHKFC |
| Spring Type | Disc |
| Height | 0.125" |
| OD | 0.728" |
| ID | 0.344" |
| Compressed Height @ Working Load | 0.063" |
| Deflection @ Working Load | 0.062" |
| Material | High-Carbon Steel |
| Number of Fingers | 6 |
| Disc Spring Type | Finger |
| For Bearing Type | Ball |
| For Bearing Trade Number | R4A, 626, 635 |
| Working Load | 8 lbf |
| Thickness | 0.006" |
| RoHS | RoHS 3 (2015/863/EU) Compliant |
| REACH | REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant |
| DFARS | Specialty Metals COTS-Exempt |
| Country of Origin | China |
| USMCA Qualifying | No |
NOTE：All other trademarks are the property of their respective owners.
All other trademarks mentioned herein are used for the purpose of compatibility description and product identification only. Lily Bearing is not affiliated with, endorsed by, or sponsored by the holders of these trademarks.
The JHBHKFC Finger Disc Spring is a highly flexible, light-load spring washer specifically designed for the precision preloading of ball bearings. Unlike standard disc springs that rely on a solid conical surface, the model features a unique "finger" design. These fingers act as independent spring levers, providing a soft, uniform pressure that is ideal for reducing noise and vibration in rotating assemblies.
Manufactured to exacting tolerances, the JHBHKFC spring helps eliminate axial end-play and compensates for thermal expansion or contraction, ensuring that your bearings maintain optimal contact and run smoothly throughout their service life.
Key Advantages of the JHBHKFC Finger Disc Spring
- Noise & Vibration Reduction: By applying a gentle, constant axial load, the JHBHKFC spring prevents bearing "skidding" and significantly lowers the operational noise of electric motors.
- High Flexibility: The finger architecture allows for a larger deflection range with a relatively low spring rate, making it more forgiving than solid disc springs in sensitive assemblies.
- Thermal Compensation: Effectively absorbs the expansion and contraction of shafts and housings caused by temperature fluctuations during high-speed operation.
- Extended Bearing Life: Ensures the balls remain seated in the raceways, reducing wear and preventing premature bearing failure.
Typical Applications for JHBHKFC Finger Disc Springs
The JHBHKFC disc spring is a critical component for high-speed and precision equipment, including:
- Electric Motors: Used as a preload washer to ensure quiet, smooth shaft rotation.
- Precision Instruments: Maintaining tension in delicate optical or measuring devices.
- Gearboxes & Transmissions: Absorbing axial movement in high-precision gear sets.
- Pumps and Fans: Reducing vibration in rotating impellers and fan assemblies.
- Domestic Appliances: Used in vacuum cleaners, blenders, and washing machine motors for noise control.
