Anonymous
Apr 13, 2026
Rating: 5/5
Excellent Customization
They machined custom dimensions perfectly according to our drawings. Great communication throughout the process.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | High-Grade Copper Alloy HRB-78 |
| Hardness Rating | 70-90 HB |
| Inner Diameter Range | 20mm - 200mm |
| Outer Diameter Range | 25mm - 210mm |
| Length Options | 50mm - 500mm |
| Surface Finish | Ra 1.6 μm |
| Dimensional Tolerance | ISO H7/g6 |
| Recommended Application | Hydraulic Machinery, Automotive, Industrial |
| Unit Weight | Varies by Dimension |
| Production Method | Centrifugal Casting and Machining |
Anonymous
Apr 13, 2026
Rating: 5/5
Excellent Customization
They machined custom dimensions perfectly according to our drawings. Great communication throughout the process.
Anonymous
Apr 08, 2026
Rating: 5/5
Reliable Supply
Ordered multiple times for our maintenance department. Consistency in quality makes these sleeves a staple for us.
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect for Retrofit
Fit exactly as specified for our hydraulic press repair. The wear resistance is noticeable compared to our previous supplier.
Anonymous
Mar 01, 2026
Rating: 4/5
Good Value
Quality is good and pricing is competitive. Shipping took a day longer than expected but the product itself is solid.
Anonymous
Feb 09, 2026
Rating: 5/5
Durable Material
Withstanding high friction environments very well. We have been running these for three months without signs of degradation.
Q: Can I request a material certificate with my order?
A: Yes, material certificates are available upon request at the time of purchase.
Q: Do you offer volume discounts for large quantities?
A: Yes, tiered pricing is available for large quantity orders. Please inquire via our contact form.
Q: Do you ship internationally for bulk orders?
A: Yes, we offer international shipping for bulk orders. Please contact us for specific freight quotes.
Q: What is the maximum operating temperature for these sleeves?
A: The HRB-78 alloy is suitable for continuous operation up to approximately 200°C.
Q: Is an installation guide included with the parts?
A: Yes, a basic installation and maintenance guide is included with every shipment.