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Home / Other Fertilizers / Round Flange Embedded Graphite Wear-Resistant Copper Bushing, Copper Alloy Oil-Free Bushing MPTZ-16-20-25

Attributes

Brand -
Category Agricultural Supplies / Other Fertilizers
Origin -
Material High-Strength Copper Alloy with Embedded Graphite
Model Number MPTZ-16-20-25
Type Round Flange Self-Lubricating Bushing
Inner Diameter 16 mm
Outer Diameter 20 mm
Total Length 25 mm
Lubrication Oil-Free (Solid Graphite Plugs)
Max Load Capacity High Dynamic Load Rating
Operating Temperature -40°C to +250°C
Application Heavy Machinery, Hydraulic Cylinders, Industrial Equipment

6 reviews

A

Anonymous

Mar 31, 2026

Rating: 5/5

Perfect fit for our hydraulic press

These bushings replaced our old oil-lubricated ones perfectly. The graphite inserts provide excellent lubrication even under heavy loads. No more messy oil leaks.

A

Anonymous

Mar 28, 2026

Rating: 5/5

Excellent for dirty environments

Since they don't require external oil, dust and debris don't stick to the mechanism anymore. This has significantly reduced our maintenance downtime.

A

Anonymous

Mar 27, 2026

Rating: 4/5

Good value for money

Solid construction. They handle the lateral load well thanks to the round flange. Delivery was fast and packaging protected the items well.

A

Anonymous

Mar 18, 2026

Rating: 5/5

Solved our overheating issue

Previous bushings would overheat due to friction. These graphite-embedded units run cool and smooth. Installation was straightforward.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Great quality copper alloy

The material feels premium and robust. Dimensions were exactly as specified (16x20x25). Highly recommend for any industrial maintenance project.

A

Anonymous

Mar 01, 2026

Rating: 4/5

Durable and reliable

We have been running these in a high-vibration environment for three months now with zero wear visible. The flange design makes installation very secure.

5 FAQ

Q: Can I use this for a shaft with a diameter slightly larger than 16mm?

A: The inner diameter is precision-machined to 16mm. For proper fit and longevity, we recommend using a shaft with an h6 or h7 tolerance class close to 16mm.

Q: What is the maximum operating temperature for this copper alloy?

A: This specific copper-graphite composite can safely operate in temperatures ranging from -40°C up to +250°C without losing structural integrity.

Q: Does this bushing require regular greasing or oiling?

A: No, the MPTZ-16-20-25 features embedded solid graphite plugs that provide self-lubrication throughout its lifespan, making it completely oil-free.

Q: Is the flange removable if I don't need it?

A: No, the round flange is cast as an integral part of the bushing to provide axial location and support. It cannot be removed without damaging the unit.

Q: Are these resistant to corrosion in outdoor applications?

A: Yes, the copper alloy base offers good natural corrosion resistance. However, for harsh chemical environments, additional protective coatings may be advisable.

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