English
Back-up Ring Type BD / concave, cut is a high-performance support ring designed to prevent seal extrusion in high-pressure applications. Featuring a concave profile and a cut design for easy installation, it is used behind O-Rings to enhance sealing reliability. Ideal for static and dynamic applications, this back-up ring offers excellent pressure resistance and extends seal life in hydraulic and pneumatic systems.
BU Concave cut OD:
Ring Width1.6 mm
Ring Diameter Outside48.9 mm
TSS Article Number (3 to 9)16N0489
Signature StandardBD16N0489-PT004
Type of Article0
Quality (10th Digit)-
Article GroupBD
Root Ring Outside Diameter48.9 mm
Root Ring Thickness1.6 mm
Root Ring Width1.6 mm
Ring Thickness1.6 mm
Compound codePT004
Material Information for the product(s) on this page
PT004
Specific Gravity:
2.16
Color:
White
Maximum Hardness:
50
Shore D Hardness:
50+/- 5
Material Type:
PTFE
Minimum Temperature:
-200
Hardness unit:
Shore D
Material Code Class:
Thermoplastic
Hardness Tolerance:
+/- 5
Material:
PT004
Gravity Unit:
g/cm³
Gravity Tolerance:
+/-0.02
Minimum Hardness:
50
Maximum Temperature:
260