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SY650 Front Idler A229900012650 With Fully Sealed Oil Circuit For Long-hour Continuous Rock Excavation Work
| MOQ: | 1PCS |
| Price: | US$105-221 |
| Standard Packaging: | Standard Export Packaging |
| Delivery Period: | 7-15Days |
| Payment Method: | T/T,L/C |
| Supply Capacity: | 10000PCS/Months |
This A229900012650 SY650 front idler is a heavy-duty track guiding component optimized exclusively for large excavator long-hour continuous rock excavation and harsh stony site operation. Different from conventional idlers with ordinary semi-sealed structures that easily suffer oil leakage and lubrication failure under high-load rock working conditions, this front idler adopts an upgraded fully enclosed sealed oil circuit system. The integrated oil storage and fully sealed structure locks internal lubricating oil stably for a long time, effectively resisting high-temperature friction, strong vibration and rock impact. It maintains consistent track guiding performance and flexible tension adjustment during non-stop heavy rock excavation, greatly reducing undercarriage failure rate and extending overall chassis service life.
| Parameter Item | Factory Verified Specification |
|---|---|
| Part Number | A229900012650 |
| Applicable Equipment | SY650 Series Large Excavator |
| Core Advantage | Fully Sealed Integrated Oil Circuit Structure |
| Surface Hardness | HRC 52-58 |
| Dimensional Tolerance | ±0.02mm |
| Structural Feature | Oil-leakage Proof, Dust-proof, Long-term Constant Lubrication |
| Applicable Scenarios | Rock excavation, quarry operation, long-hour continuous heavy-load work |
Most ordinary front idlers adopt semi-sealed or single-layer sealing design, which cannot adapt to long-duration rock excavation vibration and harsh dusty environments. After a period of continuous operation, external rock dust and muddy water easily penetrate the seal, causing lubricating oil deterioration and leakage, further leading to dry friction, shaft stuck and idler scrappage.
This A229900012650 front idler upgrades to a complete fully sealed oil circuit structure with multi-layer protective sealing and integrated oil storage cavity. Every finished idler passes strict air tightness testing and long-cycle vibration simulation tests, ensuring zero oil seepage and stable internal lubrication even under 24-hour continuous rock breaking and excavation working conditions.
- Unique fully sealed oil circuit system completely solves common failure problems of oil leakage and insufficient lubrication
- Stable internal lubrication system reduces rotating resistance and wear
- Maintains track tension and guiding accuracy for extended periods
- Prevents track deviation and abnormal chassis loss
- Precise industrial dimensional standards support direct replacement without on-site modification
- Improves maintenance efficiency with standardized production
- Excellent batch stability for high-intensity, uninterrupted heavy-load operation
This A229900012650 fully sealed front idler is specially designed for SY650 series large excavator quarry and rock excavation undercarriage replacement and routine maintenance. All products are treated with professional anti-rust oil, waterproof and dust-proof film wrapping, and packed with thickened reinforced wooden boxes to prevent structural damage during long-distance sea transportation.
We support sample inspection, small-batch trial orders and bulk wholesale, providing long-life, low-failure and continuous-operation available undercarriage parts for global engineering equipment users and maintenance teams.
