411376 Galvanized Double‑Lip Rotary Shaft Oil Seal Kit for Backhoe Loader Final Drive Shaft Overhaul

1. Quick Details of  seal 411376:

2. 411376 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 see for these sealing parts?
A: Rubber components are dark charcoal black, and metal shells show bright silver tone after galvanized anti‑corrosion treatment.

Q: What lip design does this backhoe‑loader seal kit adopt?
A: It uses double‑lip combined structure. The outer dust lip blocks mixed mud, farm soil and construction‑site grit under frequently switched digging‑and‑driving conditions.

Q: What temperature range can this seal endure during mixed‑mode operation?
A: It maintains stable sealing performance from ‑39℃ up to 111℃ under variable vibration and mud‑splashing working environment.

Q: Which mechanical position is this oil seal kit fitted on?
A: It is assembled on final‑drive rotating shaft assemblies of backhoe loader multi‑purpose construction equipment.

Q: Does this full repair kit contain matched backup rings and small auxiliary gaskets?
A: Yes, complete supporting backup rings and assorted small auxiliary gaskets are included for full final‑drive system maintenance.

Q: How will this sealing kit perform while contacting final‑drive gear oil and chassis grease?
A: HNBR blended rubber keeps stable dimensional stability and maintains low‑swelling property against different mineral‑based lubricants.

Q: Can on‑site mining maintenance workers reuse these seal components after dismounting from shaft assembly?
A: Re‑installation is not recommended. Lip radial pre‑compression force will drop after removal and bring hidden leakage risk.

Q: What precautions should we take for long‑term storage of these spare seal kits?
A: Store in dry shady warehouse, avoid sharp collision, heavy stacking pressure and continuous ultraviolet rays.

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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