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Century Spring

5557CS - 7.25 Inch Spring Steel Extension Spring

Inventory Status
Estimated Lead Time

Regular extension spring in Spring Steel. This spring features an O.D. of 1 Inch and an initial tension of 9 Pound.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 5557
Ends Machine Hook
Finish Zinc
Initial Tension 9 lb
Length 7.25 in
Material Spring Steel
Outside Diameter 1 in
Part Type Standard
Rate 7 lbs/in
SKU 5557CS
Sugg Max Deflection 5.3 in
Sugg Max Load 46 lbf
Wind Direction Left
Wire Diameter 0.115 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 5557
Ends Machine Hook
Finish Zinc
Initial Tension 4.08 kg
Length 184.15 mm
Material Spring Steel
Outside Diameter 25.4 mm
Part Type Standard
Rate 1.23 N/mm
SKU 5557CS
Sugg Max Deflection 134.62 mm
Sugg Max Load 204.61 N
Wind Direction Left
Wire Diameter 2.92 mm

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