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Century Spring

QQ-53 - 1.88 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 14 coils and Closed ends. This spring features an O.D. of 0.5 Inch, and an I.D. of 0.406 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name QQ-53
Ends Closed
Finish Zinc
Free Length 1.88 in
Inside Diameter 0.406 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 6.3 lbs/in
SKU QQ-53CS
Solid Length 0.71 in
Suggested Max Deflection 1.2 in
Suggested Max Load 7.4 lbf
Total Coils 14
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name QQ-53
Ends Closed
Finish Zinc
Free Length 47.75 mm
Inside Diameter 10.31 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 1.1 N/mm
SKU QQ-53CS
Solid Length 18.03 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 32.92 N
Total Coils 14
Wire Diameter 1.19 mm
The QQ-53 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality hard drawn and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The QQ-53CS compression spring is designed with a free length of 3" total of 30 coils, and a rate of 6.9 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The QQ-53 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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