Phosphor Bronze Self-Lubricating Wear-Resistant Bearing Bush

Phosphor Bronze Self-Lubricating Wear-Resistant Bearing Bush BUNDBUCHSE – Applications and Features

Introduction
The BUNDBUCHSE is a high-performance bearing bush made from phosphor bronze (CuSn8) or brass (CuZn31Si) materials, designed for self-lubricating, wear-resistant applications. It is a rolled sleeve (bundbuchse) that conforms to DIN 17660 standards. The bearing features dimensions of an outer diameter of 90mm, an inner diameter of 95mm, a flange diameter of 110mm, and a length of 30mm, with perforations and flanged designs. It operates without the need for external lubrication, storing grease in its diamond-shaped oil grooves or perforations, offering low friction and high wear resistance.

Key Features

• Materials

  • CuSn8 (Phosphor Bronze): Contains 8% tin, with high hardness, excellent wear resistance, and a load capacity greater than 100MPa, ideal for heavy-duty applications. It also offers good corrosion resistance and operates within a temperature range of -40°C to 150°C.

  • CuZn31Si (Silicon Brass): Known for its high strength and good machinability, suitable for medium-load applications.

• Self-Lubricating Design: The bearing is designed to run without external lubrication, providing a low-maintenance solution with a long service life (up to tens of thousands of hours). It meets DIN 1494/ISO 3547 standards.

Applications in Agricultural Machinery
The BUNDBUCHSE bearing is commonly used in agricultural machinery to withstand dirt, dust, and damp conditions. Its key applications include:

1. Tractors and Harvesters

   • Used in hinge connections, steering systems, and lifting mechanisms (e.g., plow or cutter frame supports) to provide smooth rotation and reduce wear.

2. Seeding/Tillage Equipment

   • Applied in wheel axle bearings and folding arm bushings, offering resistance to impact and vibration.

3. Irrigation/Harvesting Machines

   • Used in pump shaft supports and conveyor roller bearings, with excellent anti-corrosion properties.

In these applications, the perforation design of the bearing bush allows initial grease filling, followed by self-lubrication during field operations, reducing maintenance costs.

Applications in Construction Machinery
In construction equipment, which demands high load-bearing capacity and durability, the BUNDBUCHSE is used in sliding components for digging, transportation, and lifting equipment. Key applications include:

1. Excavators and Loaders

   • Used in bucket hinge connections, boom joints, and slew bearings, handling heavy loads and shock impacts.

2. Cranes/Forklifts

   • Applied in boom pins and steering linkages, with the flanged design enhancing axial positioning.

3. Paving/Mining Equipment

   • Used in crusher bearings and vibrating screen supports, offering dust and corrosion resistance.

For these environments, the wear resistance of CuSn8 ensures stable operation in high-dust and humid conditions, minimizing downtime.

Application Fields and Key Benefits

Customization and Sourcing
The BUNDBUCHSE bearing can be customized for specific sizes and lubrication groove patterns. It is widely supplied by manufacturers like VIIPLUS and Bronzelube. For pricing or CAD drawings, it is recommended to contact a specialized bearing manufacturer.

Conclusion
The BUNDBUCHSE phosphor bronze self-lubricating bearing bush offers a reliable and durable solution for a wide range of industrial applications, particularly in agricultural and construction machinery. Its unique design ensures minimal maintenance, high performance, and a long operational lifespan, making it a crucial component in demanding environments.