Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | High-Grade Copper Alloy |
| Hardness Rating | HB 90-110 |
| Standard Inner Diameter | 78mm |
| Standard Outer Diameter | 95mm |
| Standard Length | 100mm |
| Dimensional Tolerance | ISO H7/f7 |
| Surface Finish | Ra 1.6μm |
| Primary Application | Hydraulic Cylinders & Pumps |
| Unit Weight | 1.2 kg |
| Customization Options | Available on Request |
Anonymous
Apr 11, 2026
Rating: 5/5
Perfect fit for our hydraulic press
We ordered these liners for a refurbishment project. The dimensions were precise and the material quality is evident. No issues during installation.
Anonymous
Apr 10, 2026
Rating: 5/5
Great support for technical questions
Was unsure about compatibility with our existing setup. The team helped verify specs before purchase. Product works flawlessly.
Anonymous
Mar 10, 2026
Rating: 5/5
Excellent wear resistance
Been using these in high-friction environments for over 6 months. They show minimal wear compared to previous suppliers. Highly recommended.
Anonymous
Mar 02, 2026
Rating: 4/5
Good quality, slight delay
The product itself is top notch and machined well. Shipping took a few days longer than expected, but the quality makes up for it.
Anonymous
Feb 19, 2026
Rating: 5/5
Custom dimensions were spot on
Needed a non-standard length for a specific machine. The custom machining service delivered exactly what was specified in the drawings.
Q: Is a special tool required for installation?
A: A standard hydraulic press or arbor press is sufficient for installation. Ensure proper alignment to avoid damage.
Q: Can this liner handle operating temperatures up to 200°C?
A: Yes, the copper alloy used in the HRB-78 is rated for continuous operation up to 200°C without losing structural integrity.
Q: Do you offer bulk discounts for orders over 50 units?
A: Yes, we provide tiered pricing for bulk orders. Please contact our sales team directly for a customized quote.
Q: Can you modify the inner diameter to 75mm?
A: Yes, we offer custom machining services. Please submit your technical drawings for a feasibility check and quote.
Q: What type of lubrication is recommended for installation?
A: Standard industrial grease or oil suitable for copper alloys is recommended to ensure smooth operation and reduce initial friction.
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