U-CUP ROD INCH

6.750" x 7.375" x 0.625" (171.45 mm x 187.33 mm x 15.88 mm)

H&D SKU: UH-31206750625R-4

Product Availability : Only 1 Left

$47.19

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DESCRIPTION

The R-4 u-cup is a specialized rod seal design, developed from the standard symmetrical u-cup. It assures improved sealing performance due an interference fit in the groove that prevents movement of the seal during cylinder operation. With an improved lip design, the dynamic sealing lip has a heavier cross-section for improved high pressure capability.

SEAL INFORMATION

Durometer (Shore A): 92

Temperature Range (F): -40 TO 195

Max Pressure (psi): 5000

Extrusion Gap at Various Pressures (in):

1,500 PSI: 0.024
3,000 PSI: 0.012
5,000 PSI: 0.006

Max Speed (ft/sec): 3.0

Mating Surface Roughness - Ra (µin) - DYNAMIC: 4<>16

Mating Surface Roughness - Ra (µin) - STATIC: 32 MAX

Part Number Definition (Inch): UH-(CS)(ID)(HT)R-4

Additional Part Number Definition (Inch): 2 X 2-1/2 X 3/8 = UH-25002000375R-4

Products specifications

ID (Inch)	6.750
OD (Inch)	7.375
Height (Inch)	0.625
ID (Metric)	171.45
OD (Metric)	187.33
Height (Metric)	15.88

Alternate Product Codes

RU31-6.75-62 (1)

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