Highlight:
142.53mm rubber support ring
, O ring seal for 235D 385C
, rubber support ring with warranty
1. Quick Details of seal 8J-1717:
| Part NO. |
8J-1717 |
| Machine |
excavator |
| Size |
142.53mm |
| Material |
HNBR rubber |
| Oil seal type |
O RING |
2. 8J-1717 picture:
3. Service part number :
| PART NO. |
PART NO. |
Part NO. |
| 3K-0360 |
6V1454 |
7F8268 |
| 9X-7735 |
095-1633 |
1H-6227 |
| 6K6307 |
2N5243 |
6V3830 |
| 304606 |
5P8211 |
095-1728 |
| 4J5140 |
2M1309 |
095-1633 |
| 4J5267 |
6F6673 |
136-2942 |
| 6F6673 |
4J5267 |
2M1309 |
| 8M5249 |
6V5049 |
6F6673 |
| 6V6609 |
095-0598 |
2K8198 |
| 8T9528 |
1038255 |
1199443 |
4. FAQ
Q: Can this O-ring be installed on all types of engineering machinery?
A: It is specially designed for excavator hydraulic pumps. It cannot fit grader hydraulic pipelines or wheel loader multi-way valves.
Q: What kinds of construction sites are suitable for this sealing component?
A: It works steadily in municipal engineering and quarry sites, coping with continuous pressure changes inside hydraulic pump assemblies.
Q: What core function does this component play during equipment running?
A: It fills assembly clearances to stop hydraulic medium leakage and block outside moisture from entering joint gaps.
Q: Can this O‑ring sustain long‑time immersion in high‑temperature hydraulic fluid?
A: HNBR material tolerates elevated oil temperature well and maintains stable elasticity under continuous working conditions.
Q: Are these O‑rings manufactured in accordance with standard groove size tolerance?
A: Each piece is precision‑dimensioned to match standard installation grooves for heavy‑duty machinery hydraulic assemblies.
Q: Will frequent pressure fluctuation lead to heavy permanent compression deformation?
A: Improved rubber compound lowers compression‑set value and keeps reliable sealing after repeated pressure cycles.
Q: Could this O‑ring be applied both for static joints and limited dynamic reciprocating spots?
A: It works great for static sealing; short‑stroke slow dynamic movement is acceptable, yet avoid high‑speed cyclic friction.
Q: Will repeated pressure cycles cause permanent deformation on this rubber ring?
A: Optimized rubber formula reduces compression‑set, retaining elasticity under cyclic pressure changes.
Q: Is this O‑ring suitable for static connection only or can it be used for dynamic moving positions?
A: It performs best for static sealing joints; frequent high‑speed reciprocating motion will shorten its service life.
Q: What engineering scenarios frequently need this O-ring set for routine replacement?
A: It is widely used for maintenance of hydraulic pipeline connectors on large crawler excavators, including large open-pit mining, port cargo handling, mountain road excavation and urban large infrastructure projects.
5. Exhibition and Wearhous
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More
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