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Century Spring

B7-47CS - 2.72" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 8.25 coils and closed & ground ends. This spring features an O.D. of 1.125", and an I.D. of 0.845".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name B7-47
Ends Closed & Ground
Finish None
Free Length 2.72 in
Inside Diameter 0.845 in
Material 302/304 Stainless Steel
Outside Diameter 1.125 in
Part Type Standard
Rate 82 lbs/in
SKU B7-47CS
Solid Length 1.16 in
Suggested Max Deflection 0.81 in
Suggested Max Load 67 lbf
Total Coils 8.25
Wire Diameter 0.14 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name B7-47
Ends Closed & Ground
Finish None
Free Length 69.09 mm
Inside Diameter 21.46 mm
Material 302/304 Stainless Steel
Outside Diameter 28.58 mm
Part Type Standard
Rate 14.36 N/mm
SKU B7-47CS
Solid Length 29.46 mm
Suggested Max Deflection 20.57 mm
Suggested Max Load 298.02 N
Total Coils 8.25
Wire Diameter 3.56 mm
The B7-47CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.14" diameter 302/304 stainless steel, the B7-47 spring design exhibits reliable strength across its 8.25 active coils, withstanding repeated compression cycles with a maximum load of 67 lbf without succumbing to fatigue.

We manufacture the B7-47 design to provide a compression spring that is 2.72" long at rest and provides a consistent rate of 82 lbs/in along its recommended maximum of 0.81" deflection. For best results, your application should fully accommodate the inner (0.845") and outer (1.125") diameters of this spring and be designed for its closed & ground end configuration.

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