Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | High-Carbon Steel / GUF Bronze |
| Inner Diameter | 65 mm (Customizable) |
| Outer Diameter | 80 mm (Customizable) |
| Overall Length | 70 mm (Customizable) |
| Hardness | HRC 45-50 |
| Surface Treatment | Quenched & Tempered |
| Compatibility | Excavator Boom & Arm Joints |
| Tolerance Standard | ISO H7/g6 |
| Unit Weight | Approx. 1.2 kg |
| Warranty | 6 Months Manufacturer Warranty |
Anonymous
Apr 13, 2026
Rating: 5/5
Reliable Replacement Parts
Bought a bulk set for our fleet. Consistency across all units is good. Will order again for future maintenance.
Anonymous
Apr 04, 2026
Rating: 5/5
Custom Size Worked Flawlessly
Needed a non-standard length. Support team confirmed dimensions quickly. Custom part arrived exactly as specified.
Anonymous
Apr 02, 2026
Rating: 4/5
Good Value Direct from Factory
Price is unbeatable compared to local dealers. Took a week to arrive but worth the wait. One sleeve had minor scratches.
Anonymous
Mar 21, 2026
Rating: 5/5
Exact Fit for My Komatsu
Ordered the 65x80x70 size for my Komatsu PC200. Fitment was perfect without needing reaming. Steel quality feels solid.
Anonymous
Feb 10, 2026
Rating: 5/5
Durable Under Heavy Load
Using these on a demolition excavator. They handle the stress and vibration well. No excessive wear after 3 months.
Q: What is the lead time for custom sizes?
A: Standard custom sizes typically ship within 3-5 business days. Complex geometries may take up to 10 days.
Q: Can you provide material certification documents?
A: Yes, material test reports can be provided upon request for industrial buyers.
Q: Is this compatible with Hitachi EX200 models?
A: Yes, provided the pin diameter and housing bore match the sleeve dimensions specified.
Q: What lubrication do you recommend for installation?
A: We recommend using high-pressure grease suitable for heavy-duty construction equipment during installation.
Q: Do you offer bulk discounts for orders over 50 units?
A: Yes, please contact our sales team via message for a customized quote on bulk orders.
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