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 StandardPUYN000803NBM71
Type of Article1
Article Code with 6 char803
Root Groove Inside Diameter26 mm
Root Groove Outside Diameter32 mm
Compound codeNBM71
Root Groove Width4.5 mm
Groove Diameter Inside26 mm
Groove Diameter Outside32 mm
Groove Width4.5 mm
Article GroupPU
Location MarkYN
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