473457 Spring‑Loaded Double‑Lip Shaft Oil Seal Kit for Wheel Excavator Hub Assembly Overhaul

1. Quick Details of  seal 473457:

2. 473457 picture:

3. Service part number :

4. FAQ

Q: Can this oil seal work steadily on rotating shaft assemblies?
A: Yes, the specially designed sealing lip fits rotary shafts to block internal lubricant leakage.

Q: What color can we observe for these sealing spare parts?
A: Rubber components are matte black, and metal shells show silver‑grey finish after anti‑rust treatment.

Q: What sealing‑lip design does this oil seal kit adopt?
A: It uses double‑lip structure, the outer auxiliary lip prevents muddy water and fine gravel from entering hub interior.

Q: What temperature scope can this seal sustain under frequent travelling operation?
A: It delivers reliable sealing performance from ‑37℃ up to 108℃ under varied site environmental conditions.

Q: Which key installation position does this seal kit suit for machinery?
A: It is mainly fitted for wheel hub rotating shaft assemblies on wheel excavator equipment.

Q: Are supporting backup rings and assorted small gaskets included inside this full kit?
A: Yes, matched backup rings and auxiliary gaskets are supplied for complete hub overhaul maintenance.

Q: What risk will scratch damage bring to electrophoretic coated shell?
A: Once the coating layer is scratched off, bare steel will corrode gradually, which may lead to seal loosening and unexpected oil leakage.

Q: How well can this full sealing kit block mud, gravel dust and hot gear oil mist on muddy outdoor road job sites?
A: The multi-layer flexible rubber lip scrapes thick mud off the shaft surface, the fully enclosed plated metal shell blocks coarse dust particles, and inner auxiliary rubber layers isolate high-temperature oil mist to protect internal precision gears.

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