Attributes

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

5 reviews

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.

5 FAQ

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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