U250-0.500-250B polyurethane Hydraulic U-Cup seal 1/2" ID x 1" OD x 1/4" HT

Qty Discounts Prices
1-9 $5.960	10-99 $4.770	100+ $4.180

$5.960

Model: U250-0.500-250B
Dimensions: 1/2" ID X 1" OD X 1/4" HT
Actual: 0.500" ID X 1.000" OD X 0.250" HT
Metric: 12.70mm ID X 25.40mm OD X 6.30mm HT
114 in Stock

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Made from high-performance polyurethane (92 durometer, Disogrin AU 9250), this seal provides excellent abrasion resistance, strength, and durability. It is a strong upgrade over standard rubber seals, especially in hydraulic and pneumatic applications where wear and pressure are constant.

Get a dependable seal that handles pressure and keeps your system running without leaks. The U250-0.500-250B symmetric U-Cup is designed for bidirectional sealing, helping reduce downtime, improve efficiency, and extend the life of your equipment.

Operating Temperature

Operating temperature: -40° to +225°F (–40° to +107°C)

This polyurethane compound is built for long service life, low compression set, and consistent sealing performance in dynamic applications.

Material & Performance Details:

Compound: Polyurethane (Disogrin AU 9250)
Durometer: 92 Shore A
Color: Natural
Excellent resistance to:
- Hydraulic oils
- Mineral oils
- Abrasion and wear
- Compression set
Limited capability with:
- Water-based fluids
- Mild chemicals
Not compatible with:
- Strong acids
- Strong bases
- High-temperature steam

Sizes & Measurements

Dimensions: 1/2" ID X 1" OD X 1/4" HT
Actual: 0.500" ID X 1.000" OD X 0.250" HT
Metric: 12.70mm ID X 25.40mm OD X 6.30mm HT
Cross Section (CS): 6.30mm (0.250")
Inside Diameter (ID): 12.70mm (0.500")
Outside Diameter (OD): 25.40mm (1.000")
Part Number: U250-0.500-250B
Profile: SYM-005
Material Code: 92 AU 9250
Cross Reference: SYM-005, Symmetric U-Cup 005 Series, Disogrin AU 9250

Applications & Use Cases

This symmetric U-Cup is designed for both rod and piston sealing where pressure can come from either direction. It performs well in compact hydraulic systems and pneumatic equipment where reliable sealing and durability are critical.

Typical applications include: