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General-Purpose Spring Loaded Single Lip Parker Oil Seals (SB SC SA)
Brand: Parker HannifinGeneral purpose spring loaded single lip oil seals are available from Parker in materials of construction which include varying metal case OD configurations to suit the application.
A garter spring provides constant, uniform load of the lip on the shaft for the life of the seal.
The spring keeps the elastomer lip in contact with the shaft during higher shaft speeds and also helps offset normally occurring compression set and wear of the lip material.
Standard Designs:
SB Profile: Spring loaded elastomer ID lip. Metal case with ParKote™ bore sealant or ground OD. Most common and economical
SC Profile: Spring loaded elastomer ID lip. Rubber covered metal case OD for improved OD sealing in bores with minor imperfections and in soft alloy housings.
SA Profile: Spring loaded elastomer ID lip. Double metal case where inner case provides structural rigidity for large cross-sections. ParKote™ coating is standard.
Specifications
Brand
Function
- Fluid Retention
Maximum (STBM) Misalignment
- 0.010”
Maximum Pressure (psi)
- 0 to 7
Maximum Shaft Dynamic Runout (TIR)
- 0.010”
Maximum Surface Speed (ft/min)
- 2000 to 3200 (10.2 to 16.3 m/sec)
Maximum Working Temperature (°F)
- 400° F
Minimum Working Temperature (°F)
- -40° F
Polymer Family
- NBR (Nitrile-Butadiene), FKM, FPM (Fluorocarbon)
Seal Type
- Metal or Rubber-Covered Metal Seal Casing
Shaft Diameter (inch)
- 0.250 to 10.000
Shaft Seal Material
- Rubber