97125K33
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| Part Number | JHBCFKDD |
| Spring Type | Disc |
| Height | 0.063" |
| OD | 0.688" |
| ID | 0.322" |
| Compressed Height @ Working Load | 0.053" |
| Deflection @ Working Load | 0.01" |
| Material | 718 Nickel |
| Disc Spring Type | Belleville |
| For Shaft Diameter | 5/16" |
| Working Load | 574 lbf |
| Flat Load | 820 lbs. |
| Thickness | 0.05" |
| Temperature Range | -400° to 1100° F |
| RoHS | RoHS 3 (2015/863/EU) Compliant |
| REACH | REACH (EC 1907/2006) (06/27/2024, 241 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.
Lily Bearing’s JHBCFKDD Springs are precision-engineered to maintain critical spring force and structural integrity in environments where standard carbon steel springs would fail. Whether facing the intense heat of gas turbines or the sub-zero temperatures of cryogenic storage, our disc springs provide the consistent preload and thermal expansion compensation necessary for mission-critical assemblies.
Key Advantages of JHBCFKDD Disc Springs
- Thermal Expansion Compensation: Our Belleville washers act as a "live load" mechanism, automatically adjusting to the expansion and contraction of bolted joints in heat-intensive environments.
- Compact High-Load Design: These extreme-temperature Belleville disc springs provide massive load capacity in a fraction of the space required by coil springs.
- Anti-Vibration & Anti-Loosening: Engineered to prevent bolt yield and fastener loosening in high-vibration, high-heat applications like exhaust systems and steam valves.
- Custom Stacking Configurations: Can be stacked in Series (for more deflection), Parallel (for higher loads), or Parall-Series combinations to meet your exact engineering specifications.
What Are JHBCFKDD Disc Springs Used For?
- Oil & Gas: Downhole drilling tools and high-pressure valve live-loading.
- Power Generation: Steam turbines, boiler support systems, and heat exchangers.
- Aerospace & Defense: Jet engine components, rocket motor assemblies, and cryogenic fuel systems.
- Chemical Processing: Reactor vessels and pumping systems handling corrosive, high-temperature fluids.




