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Enerpac R556

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Enerpac R556 55 ton Hydraulic Cylinder

Enerpac R556; 55 ton (489.3 kN) capacity, 157.2 mm stroke, 700 bar (10,000 psi) working pressure, single-acting general purpose hydraulic cylinder.

EnerpacMFR # R556SKU # YLSWM6TMN3IOMPZ
Required Oil Capacity1130,7 cm³ (69 in³)
Ram Bore Diameter95,3 mm (3.75 in)
Maximum Operating Pressure700 bar (10,000 psi)
Collar Threads G5 - 12 in
Product TypeGeneral Purpose Cylinder
Thread.5 - 13 UNC
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About This Product

R556 is a single-acting general purpose hydraulic cylinder from the Simplex R series. It has a 55 ton (489.3 kN) capacity and a 157.2 mm stroke, with a maximum working pressure of 700 bar (10,000 psi). It has a steel body and a solid plunger. Collapsed height is 280.9 mm, extended height is 438.2 mm, body outside diameter is 127 mm, piston outside diameter is 79.5 mm, effective area is 71.2 cm² and required oil volume is 1130.7 cm³. The threaded collar on the body provides different fixturing options. It is used in general purpose industrial applications.

Features and Benefits

  • Single-acting with heavy-duty internal return spring
  • Solid, plated piston resists scoring and corrosion
  • Heat-treated grooved saddle supplied as standard
  • Stop ring prevents piston blow-out at end of stroke
  • Polyurethane wiper cleans the piston during retraction
  • Meets ANSI/ASME B30.1; load tested at 125% of nominal capacity

Enerpac R556

  • 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

Required Oil Capacity1130,7 cm³ (69 in³)
Ram Bore Diameter95,3 mm (3.75 in)
Maximum Operating Pressure700 bar (10,000 psi)
Collar Threads G5 - 12 in
Product TypeGeneral Purpose Cylinder
Thread.5 - 13 UNC
SeriesR
Pressure at Capacity687 bar (9960 psi)
Model Type55 Imperial Ton Capacity, 6.19 in. Stroke
Product LineHydraulic Tools
Weight23,1 kg (51.0 lbs)
Cylinder Class55 ton
Country of OriginUnited States
Base to Port Centerline (E)35,1 mm (1.38 in)
Body Outside Diameter (C)127 mm (5.00 in)
Cylinder Effective Area71,2 cm² (11.04 in²)
Extended Height (B)438,2 mm (17.25 in)
Capacity489,3 kN (55 ton)
Plunger TypeSolid
Collapsed Height (A)280.9 mm (11.06 in)
Cylinder MaterialSteel
Piston Outside Diameter (D)79,5 mm (3.13 in)
Collar Thread Length (G)71,4 mm (2.81 in)
Stroke157.2 mm (6.19 in)
Bolt Circle3.75 in
Return TypeSingle-Acting, Spring Return
Thread Depth0.75 in

Documents & CAD

Series documents 1· shared by this product series

CertificateEC2A-CYL-R_RevC_June2022PDF·138 KB

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Alternative Names & Search Terms

R556R-556R 556Enerpac R556Simplex R556Enerpac Simplex R556R556 hydraulic cylinderR556 general purpose cylinderSimplex R seriesEnerpac Simplex R seriesR series hydraulic cylinder55 ton hydraulic cylinder55 ton single-acting cylinder489.3 kN hydraulic cylinder157.2 mm stroke single-acting cylindergeneral purpose hydraulic cylinder700 bar single-acting cylinderspring return hydraulic cylinder55 ton 6 inch stroke cylinder

Related Searches

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