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Enerpac SURD121

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Enerpac SURD121 11.6 kN Swing Clamp

Enerpac SURD121; 11.6 kN (2,600 lbs) clamping force, 12.7 mm clamp stroke, 350 bar max pressure, double-acting right-turning upper flange swing clamp.

EnerpacMFR # SURD121SKU # CEY-7B4B2D99D76B
Dimension N25,1 mm (0.99 in)
Dimension GSAE #4
Dimension W85,9 mm (3.38 in)
Mounting StyleUpper Flange
Country of OriginUnited States
Dimension F22,2 mm (0.87 in)
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About This Product

SURD121 is a double-acting, right-turning upper flange swing clamp from the Enerpac SU series of workholding products. It delivers 11.6 kN (2,600 lbs) of force, with a 12.7 mm clamp stroke. Operating pressure ranges from 35 to 350 bar (500–5,000 psi). Hydraulic connection is made through the SAE #4 port or the integrated manifold O-ring ports; the manifold O-ring is 568-011. The mounting thread is 3/8-16 UNC and swing angles are 30 and 60 degrees. Unclamp oil capacity is 22.94 cm³. Its double-acting design provides hydraulic clamping and unclamping, and it is used in manifold-based fixtures and machine tool setups.

Features and Benefits

  • Flexible design for manifold or threaded port connection
  • Low-profile mounting lets the body sit below the mounting surface
  • Easy installation with 3 or 4 mounting bolts and simple preparation
  • Double oil connection: threaded port or manifold mount
  • Symmetrical rectangular flange allows clamping on three sides of the cylinder
  • Double-acting operation: hydraulic clamping and unclamping

Enerpac SURD121

  • Genuine, certified Enerpac product
  • Fast sourcing through a worldwide supply network
  • Product selection and compatibility support from our technical team
  • Equivalent and alternative product suggestions
  • Quotation and lead time tailored to your request

Specifications

Dimension N25,1 mm (0.99 in)
Dimension GSAE #4
Dimension W85,9 mm (3.38 in)
Mounting StyleUpper Flange
Country of OriginUnited States
Dimension F22,2 mm (0.87 in)
Dimension D47,5 mm (1.87 in)
Dimension V8,8 mm (0.347 in)
Minimum Depth J220,3 mm
Oil Capacity (Unclamp)22,94 cm³
Dimension C27,4 mm (1.08 in)
Dimension P51,4 mm (2 in)
Dimension U63,5 mm (ø2.50 in)
Maximum Operating Pressure350 bar (5,000 psi)
Cylinder Effective Area (Unclamp)7,94 cm² (1.23 in²)
Dimension B85,7 mm (3.37 in)
Dimension T61,8 mm (2.44 in)
Dimension Q.375-16 unc mm
ApplicationsClamp
Dimension K30,4 mm (1.2 in)
Clamping Stroke12,7 mm (0.5 in)
Dimension Z60 degrees
Minimum Operating Pressure35 bar (500 psi)
Dimension H9,9 mm (0.39 in)
Product TypeSwing Clamp - Upper Flange
Dimension Y30 degrees
Rotation DirectionRight
Fixture Hole D349,0
Dimension X18,2 mm (0.717 in)
Return TypeDouble-Acting
SeriesSU
Dimension D166,4 mm (2.62 in)
Dimension C155,3 mm (2.18 in)
Cylinder Effective Area (Clamp)4,06 cm² (0.63 in²)
Maximum Oil Flow1,6 l/min (100 in³/min)
Stroke27.9 mm (1.1 in)
Manifold O-Ring (ARP No)568-011
Model Type2600 lbs, D/A, Right, 0.5 in. Clamp Stroke
Dimension D273,2 mm (2.88 in)
Standard Clamp ArmCAS121
Oil Capacity (Unclamp)1.4 in³
Dimension A171,5 mm (6.75 in)
Dimension S52,0 mm (2.048 in)
Product LineWorkholding Tools
Weight1,6 kg (3.5 lbs)
Oil Capacity (Clamp)11,47 cm³ (0.7 in³)
Mounting Thread J.312-24 UNF
Clamping Force11,6 kN (2600 lbs)

Documents & CAD

Series documents 1· shared by this product series

BrochureWorkholding Swing Clamps, EnglishPDF·1.8 MB

CAD Files 5

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Alternative Names & Search Terms

SURD121SURD-121SURD 121Enerpac SURD121Enerpac SURD-121SURD121 swing clampSURD121 hydraulic clampEnerpac SU seriesEnerpac SU series swing clampEnerpac workholding clamp11.6 kN swing clamp2600 lbs swing clampdouble-acting swing clampright turning hydraulic swing clampupper flange swing clamp350 bar hydraulic swing clampSAE #4 port swing clamp12.7 mm clamp stroke hydraulic clamp

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