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:
Groove Diameter Outside21 mm
Signature StandardPUYG000009NBM71
Article Code with 6 char9
Location MarkYG
Type of Article1
Root Groove Outside Diameter21 mm
Root Groove Thickness7.35 mm
Root Groove Width3.15 mm
Article GroupPU
Groove Thickness7.35 mm
Groove Width3.15 mm
Compound codeNBM71
Material Information for the product(s) on this page
NBM71
Maximum Hardness:
85
Material Type:
NBR
Hardness unit:
Shore A
Material Code Class:
Elastomer
Hardness Tolerance:
+/- 5
Gravity Unit:
g/cm³
Shore A Hardness:
85+/- 5
Maximum Temperature:
110
Minimum Hardness:
85
Gravity Tolerance:
+/-0.03
Specific Gravity:
1.28
Material:
NBM71
Minimum Temperature:
-30
Color:
Black