Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | High-Grade Copper Alloy |
| Model Series | HRB-78 |
| Inner Diameter | 50mm ± 0.05mm |
| Outer Diameter | 65mm ± 0.05mm |
| Total Length | 100mm ± 0.1mm |
| Surface Treatment | Polished and Deburred |
| Load Capacity | High Static Load |
| Operating Temperature | -50°C to 200°C |
| Package Contents | 2 x Copper Liners, 1 x User Manual |
| Country of Origin | United States |
Anonymous
Apr 10, 2026
Rating: 4/5
Good Fit
Product matches the description well. Had to do minor polishing on the edges but overall a solid purchase for the price.
Anonymous
Apr 06, 2026
Rating: 4/5
Solid Build
Durable construction. The dimensions were accurate according to our calipers. Good value for manufacturer direct pricing.
Anonymous
Mar 07, 2026
Rating: 5/5
Fast Shipping
Arrived earlier than expected. Packaging was secure and the liners were protected from damage. Very satisfied with the service.
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent Quality
These liners fit perfectly into our hydraulic press. The copper quality is top-notch and shows no signs of wear after weeks of heavy use.
Anonymous
Feb 18, 2026
Rating: 5/5
Heavy Duty
Using these in industrial machinery. They handle the heat and friction very well. Would recommend for heavy-duty applications.
Q: Can these be customized to different lengths?
A: Custom lengths are available upon request. Please reach out to our sales team for a quote.
Q: Do these require special lubrication?
A: Standard industrial grease is recommended for optimal performance and longevity of the copper sleeves.
Q: Is there a warranty included?
A: Yes, all HRB-78 liners come with a 12-month manufacturer warranty against defects.
Q: What is the lead time for bulk orders?
A: Bulk orders over 50 units typically ship within 5-7 business days. Please contact us for larger quantities.
Q: Are these compatible with HRB-77 models?
A: No, the HRB-78 liners are specifically designed for HRB-78 housing units and are not interchangeable with HRB-77.
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