Brass Self-Lubricating Sleeve Bushing – 4/5mm Bore, Oil-Free

Brass Self-Lubricating Sleeve Bushing – Oil-Free, Wear-Resistant

Keep your machinery running smoothly with this precision-made brass self-lubricating sleeve bushing. Engineered from brass-filled lubricating material, this oil-free guide bushing eliminates the need for constant re-oiling while delivering reliable shaft guidance, friction reduction, and long service life across a wide range of applications.

Made in Mainland China.

Key Features

• Oil-Free Self-Lubricating Design: Built-in lubricating material keeps components running without additional oiling or frequent maintenance.
• Durable Brass Construction: Brass-filled lubricating material provides excellent load capacity, wear resistance, and stable operation under continuous use.
• Sleeve Bushing Design: Precisely guides shafts and reduces friction in linear or sliding applications, ideal for replacing worn bushings.
• Excellent Environmental Resistance: Good corrosion resistance, heat resistance, strength, and toughness ensure a long, dependable service life.
• Wide Application Range: Suitable for electrical equipment, household appliances, printing machinery, machine tools, motors, conveyors, and agricultural machinery.

Specifications

What's in the Box

• 1× Brass Self-Lubricating Sleeve Bushing

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Frequently Asked Questions

Q: What is a self-lubricating brass sleeve bushing and how does it work?

A: A self-lubricating brass sleeve bushing is a cylindrical bearing component made from brass filled with lubricating material. It is installed around a shaft or fastener to reduce friction and guide movement without requiring external oil application. The embedded lubricant is released gradually during operation, keeping surfaces smooth and reducing wear over time.

Q: What machines or applications is this brass bushing suitable for?

A: This brass bushing is suitable for a wide variety of applications including electrical equipment, household appliances, printing machinery, machine tools, motors, conveyors, and agricultural machinery. It is also ideal for DIY projects where worn bushings need replacing or new shaft guides are required.

Q: How do I choose the right size bushing for my application?

A: Sizes are given in the format ID × OD × L (Inner Diameter × Outer Diameter × Length). Measure your shaft's outer diameter — this should match the bushing's inner diameter (ID). The outer diameter (OD) fits into the housing bore, and the length (L) should match or slightly exceed the bearing surface needed. Example: for a 4mm shaft in a 6mm bore, choose a 4×6×Xmm bushing.

Q: Does this bushing require any special installation tools?

A: No special tools are required for most installations. The bushing can typically be pressed or lightly tapped into position by hand or with basic workshop tools. Ensure the housing bore is clean and correctly sized before installation for a secure, stable fit.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.