Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | Steel Back + Bronze Mesh + PTFE Overlay |
| Inner Diameter Options | 36mm / 38mm / 40mm / 45mm / 50mm / 55mm / 60mm / 65mm / 70mm / 80mm |
| Outer Diameter Tolerance | H7 Standard Fit |
| Wall Thickness | 1.0mm to 2.5mm (Size Dependent) |
| Dynamic Load Capacity | 140 N/mm² Maximum |
| Static Load Capacity | 250 N/mm² Maximum |
| Operating Temperature | -40°C to +110°C |
| Friction Coefficient | 0.03 to 0.20 (Dry Running) |
| Surface Treatment | Machined and Burnished |
| Application Scope | Hydraulic Cylinders, Automotive, Industrial Machinery |
Anonymous
Apr 11, 2026
Rating: 5/5
Great for hydraulics
Used these for a cylinder rebuild on my excavator. The fit was perfectly spot on and no grease is needed during operation.
Anonymous
Apr 02, 2026
Rating: 4/5
Good quality
Material feels robust and well-made. Had to use a press tool for installation due to tight tolerance, but holds well.
Anonymous
Mar 12, 2026
Rating: 5/5
Silent operation
Replaced old bronze bushings with these SF-1 liners. No more squeaking noises during movement.
Anonymous
Feb 23, 2026
Rating: 4/5
Accurate specs
Dimensions matched the drawing perfectly. Would prefer more length options available off the shelf.
Anonymous
Jan 31, 2026
Rating: 5/5
Bulk order satisfied
Ordered multiple sizes for our assembly line. Consistency across batches is excellent and shipping was prompt.
Q: Can I order a custom length for the 60mm ID?
A: Yes, please contact our sales team for custom machining requests regarding specific lengths.
Q: What is the lead time for the 80mm size?
A: Most sizes are in stock and ship within 2 business days. Large quantities may vary.
Q: Do these require any oil or grease during installation?
A: No, the PTFE layer is self-lubricating. However, a light oil film can help during press-fit installation.
Q: Are these suitable for outdoor use?
A: Yes, the composite material is resistant to corrosion and general weather exposure.
Q: What is the shaft tolerance recommendation?
A: We recommend a shaft tolerance of f7 or g7 for optimal performance and longevity.
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