707-52-91150 7075291150 BUSHING OF D575A-2 PC650LC-3

1. Quick Details of  seal 707-52-91150:

2. 707-52-91150 parts on group :

3. 707-52-91150 picture:

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5. FAQ

Q: What color will I receive for this sealing component?
A: The main sealing body shows light grey tone, and the inner elastic supporting element is deep black.

Q: Where will this piston seal ring be assembled on equipment?
A: It fits into the piston groove inside hydraulic cylinder, blocking hydraulic oil from flowing across piston and maintaining stable working pressure for excavator cylinders.

Q: Can this seal ring endure frequent reciprocating motion under heavy digging load?
A: Yes, it can stand repeated pressure impact and friction during rock excavation, lifting and swing movement cycles.

Q: Does one unit contain matched supporting accessories for installation?
A: Yes, each single seal ring is equipped with corresponding elastic backup element for full piston sealing assembly.

Q: What temperature range can this seal ring keep stable working performance?
A: It maintains dependable sealing effect from ‑28℃ up to 140℃ under changeable open‑air construction‑site surroundings.

Q: What prominent strengths does poplar fiber reinforced HNBR have compared with conventional rubber materials?
A: It has excellent shock resistance and stable compression resilience, adapting to frequent angle adjustment movement of grader tilt cylinders.

Q: What engineering projects commonly require replacement of this piston seal ring?
A: It serves routine maintenance of hydraulic cylinder piston sealing assemblies on medium crawler excavators, widely used in urban infrastructure, highway subgrade construction, small quarry loading and residential foundation excavation projects.

6. Exhibition and Wearhous

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