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.
Rod/U-Cup:
Groove Diameter Outside79.5 mm
Signature StandardRUWJ000144NBM71
Article Code with 6 char144
Location MarkWJ
Type of Article1
Root Groove Outside Diameter79.5 mm
Article GroupRU
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