C0557 2-440 - Polychloroprene 70 Durometer O-Ring (C0557-70) | Parker NA

Polychloroprene 70 Durometer O-Ring (C0557-70) | #C0557 2-440

C0557-70

Polychloroprene 70 Durometer O-Ring (C0557-70) | #C0557 2-440

Parker's polychloroprene rubber (CR) O-rings are compatible with oils and gases.


Technical Specifications

  • Inside Diameter: 0.029 to 25.940 inch
  • Width: 0.04 to 0.275 inch
  • Polymer Material Options: Polychloroprene Rubber (CR, Neoprene)
  • Minimum Operating Temperature: -35 °F
  • Maximum Operating Temperature: 250 °F
  • Durometer: 70 Shore A
  • Specifications Met: None
  • Region of Origin: North America
  • Internally Lubricated: No
  • Color: Black
  • Thermal Application Type: Standard (-30 to 250°F)
  • For Fluid Type: Refrigerants
Safety Warning

Item Information

Parker's Polychloroprene  C0557-70 provides good ozone, aging, and chemical resistance as well as being the go to material for refrigerants such as R22 and R12.   Additionally, C0557-70 has good toughness, making it a preferred material for drive belt applications.

• Heat resistance — Up to approximately 121°C (250°F)
• Cold flexibility — Down to approximately -37°C (-35°F)

Chemical resistance
• Paraffin based mineral oil with low DPI, e.g. ASTM oil No. 1
• Silicone oil and grease
• Water and water solvents at low temperatures
• Refrigerants
• Ammonia
• Carbon dioxide
• Improved ozone, weathering and aging resistance compared with nitrile
• Limited compatibility
• Naphthalene based mineral oil (IRM 902 and IRM 903 oils)
• Low molecular weight aliphatic hydrocarbons
(propane, butane, fuel)
• Glycol based brake fluids

Not compatible with:
• Aromatic hydrocarbons (benzene)
• Chlorinated hydrocarbons (trichloroethylene)
• Polar solvents (ketones, esters, ethers)

Used for Drive Belt Applications

*Custom sizes and coatings/markings are available upon request. Contact Parker O-Ring Division at 859-269-2351 for design and pricing assistance.

Read More Show Less

CAD Drawings + Files

No CAD files available

Ok

x

Related Documents

×

Quantity:
Request a Quote

The item has been successfully added to your quote cart Go to Quote Cart

x

Ok

x

Find a Distributor

Where to Buy

Local Contact

O-Ring & Engineered Seals Division

2360 Palumbo Drive

Lexington,

KY

United States

40509

Phone

859 269 2351

Fax

859 335 5128

Get your Parker account Today!

Create one account to manage everything you do with Parker, from your shopping preferences to your application access.

687PDC
687519