Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Composition	High-Strength Copper Alloy with Graphite
Bushing Type	Straight-Column Oil-Free Sleeve
Lubrication Method	Self-Lubricating (Solid Graphite Plugs)
Available Inner Diameters	10mm, 12mm, 15mm, 20mm, 25mm, 30mm
Operating Temperature	-10°C to 150°C
Hardness Rating	HB 90-120
Surface Finish	Precision Polished
Recommended Applications	Hydraulic Cylinders, Automotive, Machinery
Manufacturing Standard	ISO 3547 / DIN 1494 Compatible
Packaging	Individual Plastic Bag + Protective Box

5 reviews

Anonymous

Apr 20, 2026

Rating: 5/5

Perfect fit for hydraulic press

Ordered the 20mm size for a repair job. The tolerances were spot on and the graphite plugs are well embedded. No need for constant greasing anymore.

Anonymous

Apr 14, 2026

Rating: 4/5

Solid construction

Heavy duty copper alloy. Seems like it will last a long time. Make sure you measure your housing carefully before selecting the outer diameter size.

Anonymous

Mar 27, 2026

Rating: 4/5

Good quality, slow shipping

The bushing itself is solid copper and feels durable. Installation was straightforward. Only giving 4 stars because delivery took longer than expected.

Anonymous

Mar 25, 2026

Rating: 5/5

Reliable supplier

This is our third order of MPBZ13 bushings. Consistent quality across all batches. The 15mm variant fits our shafts perfectly without too much friction.

Anonymous

Mar 19, 2026

Rating: 5/5

Excellent self-lubricating performance

We use these in high-cycle machinery. They handle the heat well and the self-lubricating feature actually works, reducing maintenance downtime significantly.

5 FAQ

Q: Is this suitable for underwater applications?

A: While the material is corrosion-resistant, these bushings are not designed for continuous submerged use. They are best suited for dry or occasional exposure environments.

Q: What is the maximum load capacity for the 25mm size?

A: The dynamic load capacity varies by specific dimensions. For the 25mm inner diameter, please refer to the technical datasheet or contact us for detailed load charts.

Q: What is the tolerance class for the inner diameter?

A: Our standard tolerance for the inner diameter is typically H7, but this can vary based on the specific size selected. Please check the product specification table.

Q: Can you customize the length of the bushing?

A: Yes, we offer customization services for length and other dimensions. Please reach out to our sales team with your specific requirements for a quote.

Q: Do I need to add oil during installation?

A: No, these are oil-free bushings. The solid graphite plugs provide lubrication during operation. However, a light coat of oil on the outer diameter can help during press-fit installation.

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