English
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. This is a Custom Article Number with a Customer Specific Design.
Piston/U-Cup:
Signature StandardPUYK000008NBM71
Type of Article1
Article Code with 6 char8
Root Groove Thickness4.5 mm
Root Groove Inside Diameter10 mm
Root Groove Outside Diameter16 mm
Compound codeNBM71
Groove Diameter Inside10 mm
Groove Diameter Outside16 mm
Groove Thickness4.5 mm
Article GroupPU
Location MarkYK
Material Information for the product(s) on this page
NBM71
Maximum Hardness:
85
Hardness unit:
Shore A
Maximum Temperature:
110
Hardness Tolerance:
+/- 5
Gravity Unit:
g/cm³
Shore A Hardness:
85+/- 5
Minimum Hardness:
85
Color:
Black
Gravity Tolerance:
+/-0.03
Material:
NBM71
Material Type:
NBR
Material Code Class:
Elastomer
Minimum Temperature:
-30
Specific Gravity:
1.28