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Century Spring

BB-25CS - 1.5" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 20 coils and closed & ground ends. This spring features an O.D. of 0.25", and an I.D. of 0.156".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name BB-25
Ends Closed & Ground
Finish None
Free Length 1.5 in
Inside Diameter 0.156 in
Material 302/304 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 41 lbs/in
SKU BB-25CS
Solid Length 0.94 in
Suggested Max Deflection 0.35 in
Suggested Max Load 14 lbf
Total Coils 20
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name BB-25
Ends Closed & Ground
Finish None
Free Length 38.1 mm
Inside Diameter 3.96 mm
Material 302/304 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 7.18 N/mm
SKU BB-25CS
Solid Length 23.88 mm
Suggested Max Deflection 8.89 mm
Suggested Max Load 62.27 N
Total Coils 20
Wire Diameter 1.19 mm
The BB-25CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.047" diameter 302/304 stainless steel, the BB-25 spring design exhibits reliable strength across its 20 active coils, withstanding repeated compression cycles with a maximum load of 14 lbf without succumbing to fatigue.

We manufacture the BB-25 design to provide a compression spring that is 1.5" long at rest and provides a consistent rate of 41 lbs/in along its recommended maximum of 0.35" deflection. For best results, your application should fully accommodate the inner (0.156") and outer (0.25") diameters of this spring and be designed for its closed & ground end configuration.

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