Rocker Arm Bushing Bimetal Bearing Bushes
Rocker Arm Bushing Bimetal Bearing Bushes are specialized components designed to provide smooth and reliable operation in rocker arm mechanisms. These bushings are constructed from bimetal materials, which consist of two different metals joined tog to create a unique combination of properties.
The bimetal design offers several advantages. The outer layer, often made of a harder metal, provides excellent wear resistance and durability, ensuring a long service life for the bushing. The inner layer, typically made of a softer metal, offers improved lubrication and reduces friction, enhancing the overall performance of the rocker arm mechanism.
Rocker arm bushings play a crucial role in the smooth operation of internal combustion engines and other mechanical systems. They support and guide the rocker arm as it moves, reducing wear on the mating surfaces and minimizing friction losses. This helps maintain efficient power transmission and reduces the risk of mechanical failure.
The precision manufacturing of rocker arm bushings ensures a snug fit within the rocker arm mechanism. This tight fit helps prevent vibrations and misalignment, further enhancing the reliability and performance of the system.
In summary, Rocker Arm Bushing Bimetal Bearing Bushes are high-performance components designed to provide smooth and durable operation in rocker arm mechanisms. Their unique bimetal design offers a combination of wear resistance, lubrication, and precision fit, making them an essential part of any mechanical system that relies on efficient power transmission.
Rocker Arm Bushing
We are the professional Rocker arm bush producers. Our products perform well under high load conditions. Our bushings maintain tight dimensional tolerances, have an excellent surface finish, are machine-friendly, and have a tapered wire at each end for easy installation.
Rocker Arm Bushing
Two available Materials:
Copper Lead
· High-quality general polish
· Minimal relief between bearing layer and steel backing to facilitate the assessment of the bond integrity.
· Fully developed and polished islands of Lead to ensure consistency of comparative analysis with standards.
| SAE | Chemical Composition |
| 792 | CuPb10Sn10 |
| CuPb17Sn5 | |
| 797 | CuPb24Sn4 |
| 49 | CuPb24Sn |
| 48 | CuPb30 |
Aluminium Tin
· High-quality general polish.
· Minimal relief between bearing layer, intermediate foil, and steel backing in order to facilitate the assessment of
the bond integrity.
· Also to ensure consistent comparative analysis of type, size, and distribution of different
phases present in the range of alloys.
| SAE | Low Friction Bushing | Daido | Miba | Chemical Composition |
| AlSn6Cu | ||||
| A600/A590 | AlSn6Si4CuMnCr | |||
| A500 | AlSn8Si2.5Pb2CuCr | |||
| SAE770 | AlSn6.5Cu | |||
| SAE783 | AS16 | AlSn20Cu | ||
| AS20 | AlSn6Si2.5CuNiMnV | |||
| SAE788 | A17X | AlSn12Si2.5Pb1.7Cu | ||
| SA260 | AlSn7CuSi2.5CrZr | |||
| AS104 | AlSn10Si4Cu | |||
| A370 | AlSn20CuMn | |||
| AlZn4.5Mg | AlZn4.5Mg |
Find here online price details of bimetal bushings which are produced from bimetallic strips with sintered copper-lead-bronze coating and steel as support material.The steel back provides extra strength, while the sintered bronze coating provides a bearing surface which results in reduced friction and wear. Bimetal bushings are widely used for applications with vibrating loads, impacts and friction area.
Types of Oil Pockets for bimetal bushings
Sintered Bimetal Bearings SAE799 Layer + Steel Backed Bushings + Copper Plating / Tin-Plating
Bimetal bearing is a steel-backed bushing plate as the matrix, the surface of sintered CuPb24Sn4 alloy material products. The bimetal bushings have good anti-fatigue strength and bearing capacity. Suitable for medium speed medium load. There are occasions for oil sliding. When the surface is plated with soft alloy, it can be used as bearing and connecting rod bushing for the high-speed internal combustion engines to achieve good wear resistance and fatigue resistance.
Technical parameters
| Maximum dynamic load | 120P N/mm² | MAX Temperature°C | Grease lubrication | 150°C | |
| Maximum linear velocity | Grease lubrication | 2.5Vm/s | Fluid lubrication | 250°C | |
| MAX PV | 2.8N/mm². m/s | Match the diameter of axle | HRC | ≥ 48 | |
| μ | 0.05~0.15 | Ra | 0.16~0.63 | ||
| Maximum linear velocity | Fluid lubrication | 10 | Alloy layer hardness | 45~70 | |
| MAX PV | 10 | Coefficient of thermal conductivity | 60W/mk | ||
| μ | 0.04~0.12 | Linear expansion coefficient (axial) | 19×10-6/K | ||
Thickness tolerance between inner hole machining and non-machining for bimetal bearings
Nominal Thickness |
Tolerances of Series B (non-machinable) |
Tolerances of Series C (non-machinable) |
| 1.0 | -0.025 | +0.25 +0.15 |
| 2.0 | -0.030 | +0.25 +0.15 |
| 2.5 | -0.035 | +0.25 +0.15 |
| 3.0 | -0.040 | +0.30 +0.15 |
| 3.5 | -0.045 | +0.30 +0.15 |
| 3.5 | -0.050 | +0.30 +0.15 |
Bimetallic boundary lubricated bearings, engine bearings
Manufacturer of Self Lubricating Bushing - Self Lubricating Graphite Bush, Self Lubricating Bimetal Bushings
We take quality as the core value of the enterprise.
Bimetal Bearing Material
Bimetal composite bearings with high-quality low carbon steel as substrate, the surface of the sinter with low friction properties of copper alloy CuPb24Sn4 as wear-resisting layer of bearing.
Bimetal Bearing Raw material to produce
Bimetal Bearing Design
We can design bimetal bearings according to the operating conditions of copper alloy surface processing of various types of oil tank, oil hole, hole, etc., in order to suit cannot continue to go hard or go occasion. Good bonding strength and optimum bearing capacity can be obtained by secondary sintering and secondary extrusion.
Types of Oil Pockets for bimetal bushings
1.Oil Holes Form
2.Diamond Form
3.Smooth (No Oil Pocket)
Types of Oil Grooves for bimetal bushings
Types of Butt Jionts for bimetal bushings (Slit & Clinch)
Bimetal Bearings Bushings Buckle Form
The Bimetal Bearings Bushing Solution
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The Bimetal Bearings Bushing Solution
Bimetal Bearings Design
Manufacture based on clients’ drawings
Integrated production
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