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Home / Bearings & Bushings / MPBZ25A-12/15/20/30/40/50 Copper Alloy Straight Column Oil-Free Bushing with Graphite Self-Lubricating Copper Sleeve

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Composition High Strength Copper Alloy with Graphite
Lubrication Type Self-Lubricating (Oil-Free)
Bushing Shape Straight Cylindrical
Inner Diameter Selection 12, 15, 20, 30, 40, 50 mm
Outer Diameter Tolerance H7 Standard
Inner Diameter Tolerance F7 Standard
Max Load Capacity 100 N/mm²
Max Sliding Speed 2.5 m/s
Temperature Range -40°C to +250°C
Typical Applications Industrial Machinery and Automation

5 reviews

A

Anonymous

Apr 18, 2026

Rating: 5/5

Excellent durability

We have been running these in high dust environments. The graphite lubrication works well without attracting debris.

A

Anonymous

Apr 16, 2026

Rating: 5/5

Perfect fit for our conveyor

Ordered the 30mm size. Fit was precise and installation was smooth. No lubrication needed so far.

A

Anonymous

Mar 26, 2026

Rating: 5/5

Reliable for automation

Using these in robotic arms. Smooth motion and no maintenance required during scheduled checks.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Great replacement part

Replaced old oily bushings with these. Much cleaner operation and consistent performance.

A

Anonymous

Feb 02, 2026

Rating: 4/5

Good quality, slight delay

The bushings are high quality copper alloy. Shipping took a day longer than expected but product is solid.

5 FAQ

Q: Do I need to add grease during installation?

A: No, the graphite plugs provide self-lubrication. However, initial light greasing does not harm.

Q: What is the recommended shaft tolerance?

A: We recommend a shaft tolerance of h9 for optimal performance with these bushings.

Q: Is the 50mm size in stock?

A: Yes, all sizes listed in the title are currently in stock and ready to ship.

Q: Do you offer bulk discounts?

A: Yes, please contact our sales team for pricing on orders over 100 units.

Q: Can these handle outdoor weather?

A: Yes, the copper alloy is corrosion resistant and works within -40°C to +250°C.

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