Description
Reviews
| Brand | - |
| Category | Electronic Components Market / Other Components |
| Origin | - |
| Material | High-Grade Steel and Copper Alloy |
| Package Quantity | 4 Sets |
| Compatible Model | Excavator EWR Series |
| Primary Dimension | 50mm Outer Diameter |
| Secondary Dimension | 35mm Length |
| Finish Type | Polished Micro-Steel Surface |
| Application | Heavy Machinery Pivot Points |
| Durability Rating | High Wear Resistance |
| Installation Type | Press-Fit Sleeve Design |
| Country of Origin | Imported |
Anonymous
Mar 22, 2026
Rating: 5/5
Solved my squeaking issue
My excavator had a persistent squeak at the pivot point. Replacing the old bushings with these steel sleeves completely eliminated the noise. Very satisfied.
Anonymous
Mar 18, 2026
Rating: 5/5
Fast shipping and great quality
Needed these urgently for a repair job. They arrived quickly and the micro-steel finish is top-notch. No issues with fitting them into the housing.
Anonymous
Mar 17, 2026
Rating: 5/5
Excellent wear resistance
We have been using these in a high-friction environment for three months now, and they show minimal signs of wear. Highly recommended for heavy-duty use.
Anonymous
Mar 16, 2026
Rating: 4/5
Reliable replacement parts
These work well as replacements for the original equipment. The dimensions are accurate to the millimeter. Just make sure to lubricate properly during install.
Anonymous
Mar 09, 2026
Rating: 4/5
Good value for the price
Solid construction and the copper sleeves seem durable. I deducted one star because the packaging was slightly damaged upon arrival, but the parts inside were fine.
Anonymous
Mar 02, 2026
Rating: 5/5
Perfect fit for my EWR excavator
These bushings matched the specifications exactly. The steel quality feels robust, and installation was straightforward. My machine is running smoother than before.
Q: Are these bushings compatible with the EWR140 model?
A: Yes, these bushings are designed to fit the EWR series, including the EWR140, provided the specific dimensions match your current setup.
Q: What is the hardness rating of the steel used?
A: The steel sleeves are manufactured with a standard industrial hardness suitable for heavy machinery applications, ensuring longevity under stress.
Q: Can these be used in underwater applications?
A: While the steel is treated for corrosion resistance, prolonged submersion may require additional sealing measures. They are primarily designed for standard outdoor construction environments.
Q: Do I need special tools to install these?
A: A standard hydraulic press or a appropriate drift punch and hammer are typically required for press-fit installation. No proprietary tools are needed.
Q: Is grease pre-applied to the copper sleeves?
A: No, the sleeves are shipped dry. We recommend applying a high-quality molybdenum-based grease before installation for optimal performance.
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