Attributes

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

5 reviews

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.

5 FAQ

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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