329-0412 3290412 311.86mm outer diameter lip seal of 120H NA 120K 2

1. Quick Details of  seal 329-0412:

2. 329-0412 picture:

3. Service part number :

4. FAQ

Q: What construction machine does oil seal part number 329-0412 suit for assembly?
A: The oil seal 329-0412 is manufactured for excavator rotary shaft lubrication sealing and field replacement.

Q: What raw materials are used to produce oil seal part 329-0412?
A: 329-0412 oil seal is made of oil-resistant NBR rubber sealing body and rigid metal insert for structural support.

Q: What core function does this oil seal perform on excavator rotary assemblies?
A: It retains lubricating oil inside the rotating shaft housing and stops dust, grit and moisture from leaking into the lubrication chamber.

Q: Where is this oil seal installed on the excavator equipment?
A: It is pressed into the housing bore at the shaft end of rotating assemblies such as travel motor or swing device.

Q: What performance advantage does this oil seal bring to excavator running systems?
A: It maintains stable sealing pressure under continuous shaft rotation and withstands fluctuations of working temperature.

Q: What failure symptom will show up once this oil seal ages and gets damaged?
A: Oil leakage will appear at the shaft end, and external contaminants will enter the assembly and wear gear and bearing parts.

5. Exhibition and Wearhous

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