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- 67189192 SN21
SN 21 U-Cup
SN 21 (Piston and Rod Seals)
The SN 21 has a symmetrical design which allows it to be used as a piston seal and a rod seal. Can be installed in both split and solid housings. Please note for a solid housing application a minimum width is necessary and suitable installation tools may be required. Manufactured in NBR90 and are primarily used with low pressures as the seal lips are provided with radial pre-stress which is strengthened by the pressure of the system. Apart from applications in hydraulics, this NBR design can also be used in pneumatic applications.
Operating Conditions:
Maximum Speed: 0.5 m/s
Temperature: -30°C to 110°C (-22°F to 230°F)
Maximum Pressure: 40 MPa
Compatible With:
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Mineral oil based lubricating greases
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Hydraulic fluids
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Lubricating oils
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Highly non-flammable hydraulic fluids