Experiencing heavy swing chattering, erratic rotation braking, or quick piston slipper wear inside your excavator's swing motor? A worn ball guide loses its spherical concentricity, causing the retainer plate to tilt and leading to internal pump scoring. Rebuild your swing system using the high-precision RITO 138852 spherical guide ball.
Item NO.:
138852Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSQuarry parts distributors require high-quality internal motor components that hold up under continuous, high-pressure tracking and digging cycles. Our RITO 138852 guide ball delivers excellent wear resistance and reliable volumetric efficiency. Keep this high-demand service item in stock to satisfy urgent workshop repair requests instantly.

| Part Number | 138852 (Motor Frame: M2X210) |
|---|---|
| Part Name | Main Pump Guide Ball Spherical Guide Excavator Pump Repair Part |
| Compatible Brand | Tongmyung |
| Applicable Models | Excavator Swing Motors utilizing M2X210 Hydraulic Pump Internals |
| Application | Excavator hydraulic system |
| Material | High-Hardness Alloy Steel |
| Product Color | Polished Steel Silver Finish |
| Working Temperature | -30°C to 115°C |
| Key Function | Centering the internal rotating components within the swing motor axial casing |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Specialized outer treatment provides a durable, low-friction interface against the retainer plate.

Micro-polished flow channels ensure clean, unobstructed oil distribution to internal rotating parts.

Precision internal splines ensure a tight, balanced connection with the main input drive shaft.


FAQ
Q: What quality options are available?
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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