GZ Yuexiang Engineering Machinery Co., Ltd.
Quality assurance and high-quality after-sales service
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Belparts excavator SE220LC Swing Bearing Replacement for Volvo excavator
| Appliion | Crawler excavator parts |
| Part name | Excavator swing bearing |
| Machine model | SE220LC |
| part number | / |
| Brand | belparts |
| Warranty | 6 months |
| Quality | High-accuracy |
Abnormal noises (grinding, clicking) during rotation.
Increased rotation resistance or jerky movement.
Visible wear or pitting on raceways.
Grease leakage or contamination.
| Failure Mode | Cause | Solution |
|---|---|---|
| Raceway spalling | Overload, poor lubrication | Replace bearing, adjust loads |
| Seal damage | Debris, aging | Install new seals |
| Gear tooth wear | Misalignment | Realign pinion gear |
| Corrosion | Water ingress | Improve sealing, regrease |
Lubrication
Use ISO VG 150–220 grease (e.g., Mobilith SHC 460).
Interval: Every 500 operating hours (varies by manufacturer).
Inspection Checklist
Check seal integrity.
Monitor grease for metal particles (indicates wear).
Measure gear backlash (should be <0.3mm).
Disassembly
Secure the excavator on a flat surface.
Remove upper structure bolts (typically M24–M36).
Lift the house using a crane.
Installation
Clean mating surfaces.
Torque bolts in a star pattern (preload: 70% of yield strength).
Prime lubrication system.
Tool Requirements:
Hydraulic torque wrench.
Dial indicator (for gear alignment).
Overhead crane (10–50T capacity).
FAQ:
1. If I only know the excavator model, but can not offer parts No., what should I do ?
If possible, you can send us pictures of old products, nameplate or the size for reference.
2. What is the warranty of the parts after I purchased?
The warranty is 6/12 Months based on the item details.
3. How can I pay the order?
We can receive payment through T/T, Paypal(for small amount),Alibaba trade assurance.
4. When will get the items after I place order?
Once your payment is confirmed, we will arrange the goods within 24 hours; if not in stock , we will inform you before placing the order.
5. How can I do if there is something wrong with the items?
First of all , I have confidence in the quality of our products ,if you really found something wrong ,pls provide pictures for us and we will check. After it is confirmed, pls return to us , we will offer the correct item.
6. What is your main products ?
We are specialized in the excavator spare parts, such as travel motor gearbox/parts, swing gearbox/motor/parts, hydraulic pump /parts and gear parts. If you need other excavator parts, we also can supply as your requirements.