Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Copper Alloy with Graphite Inserts |
| Lubrication Type | Self-Lubricating (Solid Graphite) |
| Inner Diameter Range | 22mm - 25mm |
| Outer Diameter Range | 28mm - 35mm |
| Length Range | 20mm - 30mm |
| Max Operating Temperature | 250°C (482°F) |
| Load Capacity | High Static and Dynamic Load |
| Hardness | HB 90-120 |
| Surface Finish | Precision Machined |
| Common Applications | Hydraulic Cylinders, Automotive Linkages, Industrial Machinery |
Anonymous
Apr 12, 2026
Rating: 4/5
Good quality metal
Solid construction and accurate dimensions. The fit was slightly tight initially but seated well after installation. Good value for the price.
Anonymous
Mar 16, 2026
Rating: 5/5
No maintenance needed
Installed these on my farm equipment linkage. It has been months and no greasing required. The graphite plugs work exactly as described.
Anonymous
Feb 18, 2026
Rating: 5/5
Withstands heat well
Used in a high-temperature environment near an engine block. No signs of wear or degradation after several weeks of operation. Very durable.
Anonymous
Feb 01, 2026
Rating: 5/5
Perfect for hydraulic ram repair
These bearings fit perfectly in my hydraulic cylinder setup. The self-lubricating feature saves me time on maintenance. Highly recommend for industrial use.
Anonymous
Jan 28, 2026
Rating: 4/5
Accurate dimensions
Measured the inner and outer diameters with calipers and they matched the specs perfectly. Shipping was fast and packaging protected the items well.
Q: What is the recommended shaft tolerance for installation?
A: We recommend a standard h9 shaft tolerance for optimal fit and performance with these copper sleeve bearings.
Q: Can these be used in underwater or wet environments?
A: Yes, the copper alloy material offers good corrosion resistance, making them suitable for wet or mildly corrosive environments.
Q: Is a press-fit installation required?
A: Yes, a standard interference fit is recommended to ensure the bearing remains secure during operation without rotating in the housing.
Q: Which model number fits a 25mm shaft?
A: Models 253225 and 253230 are designed for a 25mm inner diameter shaft. Please check the length requirement to choose between them.
Q: Do these bearings require regular greasing?
A: No, these are self-lubricating bearings with solid graphite plugs that provide continuous lubrication without additional grease.
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