3K-0109 3K0109 bearing OF 966R 950 950G II 950F

1. Quick Details of  seal 3K-0109:

2.  3K-0109 picture:

3. Service part number :

4. FAQ

Q: What construction machine can use spare part 3K-0109?
A: 3K-0109 piston seal ring is manufactured for motor grader lift hydraulic cylinder assemblies.

Q: What is the standard part name of spare component 3K-0109?
A: The standard part name of 3K-0109 is piston seal ring.

Q: What materials are used for this piston seal ring?
A: The wear-resistant sliding layer is PTFE, paired with NBR backup ring to supply elastic support.

Q: What key function does this piston seal ring perform inside the hydraulic cylinder?
A: It maintains pressure difference on two sides of piston and prevents internal hydraulic oil cross flow.

Q: Where is this piston seal ring mounted on the hydraulic piston?
A: It is fitted into the circular precision groove machined on the outer surface of the hydraulic piston.

Q: What spare part category does this component fall into?
A: It belongs to hydraulic piston sealing spare parts for heavy-duty motor grader hydraulic working systems.

Q: What advantages does PTFE and NBR material combination bring?
A: It features low friction coefficient, good extrusion resistance and stable elasticity under repeated pressure cycles.

Q: What abnormal phenomenon will appear when this piston seal ring is worn out?
A: The grader blade cannot hold position steadily and will sink gradually when keeping fixed working height.

5. Exhibition and Wearhous

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