401107-02121 40110702121 Pump Oil Seal For Excavator Hydraulic Pump Shaft
1. Quick Details of seal 401107-02121 :
| Part NO. | 401107-02121 |
| Machine | Excavator |
| Size | OEM |
| Material | NBR |
| Oil seal type | HYD PUMP SEAL KIT |
2. 401107-02121 picture:
3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 707-51-14110 | 707-98-26520 | 707-98-36630 |
| 707-98-64410 | 707-98-26540 | 707-98-66410 |
| 707-99-74120 | 707-98-26550 | 707-98-56210 |
| 707-99-74140 | 707-98-64450 | 707-98-56600 |
| 707-99-74200 | 707-98-36700 | 707-98-56610 |
| 707-99-74230 | 707-99-77250 | 707-51-95650 |
4. FAQ
Q: Which construction machine can part number 401107-02121 be applied to?
A: Part number 401107-02121 pump oil seal is specially designed for excavator hydraulic pump shaft.
Q: What is the part name and product category of spare part 401107-02121?
A: The part name of 401107-02121 is pump oil seal and it belongs to pump oil seal category.
Q: What materials are used for manufacturing this pump oil seal?
A: It consists of NBR rubber sealing lip and rigid metal shell for interference installation.
Q: What is the core function of this pump oil seal on hydraulic pump?
A: It prevents hydraulic oil leaking out from pump shaft and keeps dust from entering pump interior.
Q: Where is this pump oil seal mounted on the excavator hydraulic pump?
A: It is pressed into the pump housing, fitting tightly around the rotating drive shaft.
Q: What working speed can this oil seal lip endure during continuous operation?
A: The NBR lip can adapt to the regular rotating speed of excavator main pump under normal load.
Q: What preparation should we do before pressing this oil seal into position?
A: Clean the housing bore and shaft surface, and apply a thin layer of hydraulic oil on the seal lip.
Q: What failure signs will show up once this pump oil seal is damaged?
A: Visible oil leakage appears at the pump shaft end, and dust may get inside to wear pump components.
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