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Home / Bearings & Bushings / MPBZ20A-15/20/30/40/50/60 Copper Alloy Straight Column Oil-Free Bushing Graphite Self-Lubricating Bronze Sleeve

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Material Composition Copper Alloy with Graphite Plugs
Bushing Style Straight Cylindrical
Lubrication Type Self-Lubricating (Oil-Free)
Model Series MPBZ20A
Available Inner Diameters 15/20/30/40/50/60 mm
Hardness Rating HB 200 - 250
Max Dynamic Load 150 N/mm²
Max Sliding Speed 0.5 m/s
Operating Temperature -40°C to +250°C
Surface Finish Ra 0.8 μm

5 reviews

A

Anonymous

Apr 22, 2026

Rating: 4/5

Good Value

Works well for the price. The sizing was slightly tight on the 30mm option, required a bit of force to install, but functions correctly.

A

Anonymous

Feb 23, 2026

Rating: 5/5

Perfect Fit for Machinery

Installed these bushings on our production line equipment. The fit was precise and the self-lubricating feature is working great so far.

A

Anonymous

Feb 10, 2026

Rating: 5/5

Fast Delivery

Arrived earlier than expected. Packaging was secure and all dimensions matched the specification sheet provided.

A

Anonymous

Feb 10, 2026

Rating: 5/5

No Maintenance Needed

Love the self-lubricating aspect. It saves us time on maintenance schedules. The graphite plugs are evenly distributed.

A

Anonymous

Feb 07, 2026

Rating: 5/5

Great Quality Material

The copper alloy feels very durable. We have been running them for a month without any signs of wear. Highly recommend for industrial use.

5 FAQ

Q: What is the warranty period for this item?

A: We provide a 12-month warranty against manufacturing defects under normal operating conditions.

Q: Can I use additional grease with this bushing?

A: It is not required due to the graphite plugs, but compatible greases can be used if specific conditions demand it.

Q: What is the tolerance for the outer diameter?

A: Standard H7 tolerance is applied to the outer diameter unless otherwise specified.

Q: Is this suitable for high humidity environments?

A: Yes, the copper alloy material offers good resistance to corrosion in humid conditions.

Q: Do you offer bulk discounts for large orders?

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

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