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Bimetal bearing
Bimetal bearings are a type of oil-free sliding bearing that combine the strength of a metal substrate with the wear-resistant properties of a sintered surface layer. These bearings are typically manufactured using high-quality low-carbon steel as the base, with a lead-tin bronze layer sintered onto the surface. Through multiple high-temperature sintering and rolling processes, the copper and steel form a strong bimetallic strip, offering excellent mechanical properties.
Bimetal bearings are known for their high contact strength, large load capacity, and good wear resistance, making them ideal for medium-speed, medium-load applications as well as low-speed, high-load environments. They can be customized with various oil grooves and oil holes on the friction surface, allowing for optimal lubrication in different operating conditions. These bearings are widely used in automotive engines, chassis systems, motorcycle clutches, gear pumps, and lifting equipment.
In addition to standard bimetal bearings, there is also the metal-based inlaid solid self-lubricating bearing (commonly referred to as JDB). This innovative bearing combines the advantages of both traditional metal bearings and self-lubricating bearings. It features a metal substrate with a specially formulated solid lubricant material that provides high lubricity, impact resistance, and heat resistance. It is particularly suitable for heavy-duty, low-speed, or reciprocating motion applications where oil film formation is difficult. These bearings are also resistant to water and acidic environments, making them ideal for harsh industrial settings.
Users have reported that inlaid bearings not only improve fuel efficiency and reduce energy consumption but also significantly extend service life compared to conventional sliding bearings. Today, these bearings are extensively used in metallurgical continuous casting machines, rolling mills, mining equipment, ships, steam turbines, hydraulic turbines, injection molding machines, and production lines.
Whether you're looking for reliable performance in demanding environments or seeking energy-efficient solutions, bimetal bearings offer a versatile and durable option. Their unique construction and advanced manufacturing techniques make them a preferred choice in a wide range of industrial applications.
For more information on bearings and related topics, visit our knowledge section. Don't forget to check out our other articles on plain bearings, bearing installation methods, and maintenance tips.
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