U-Cups are used primarily as seals for piston rods in hydraulic cylinders. U-Cups in polyurethane are proven elements, due to their good mechanical properties, for standard cylinder construction, particularly for mobile hydraulics under rough operating conditions.
Rod/U-Cup:
Groove Diameter Outside36 mm
Signature StandardRUB500280-Z20
Quality (10th Digit)-
TSS Article Number (3 to 9)B500280
Type of Article0
Root Groove Inside Diameter28 mm
Root Groove Outside Diameter36 mm
Groove Diameter Inside28 mm
Root Groove Width7.5 mm
Article GroupRU
Groove Width7.5 mm
Compound codeZ20
Material Information for the product(s) on this page
Z20
Hardness unit:
Shore A
Gravity Unit:
g/cm³
Material Code Class:
Thermoplastic
Maximum Hardness:
93
Maximum Temperature:
110
Minimum Temperature:
-35
Material Type:
PUR
Material:
Z20
Hardness Tolerance:
+/- 3
Specific Gravity:
1.2
Shore A Hardness:
93+/- 3
Gravity Tolerance:
+/-0.02
Minimum Hardness:
93
Color:
Turquoise