Engine Main Bearing and Con Rod Bearing are crucial components of any internal combustion engine. These bearings play a vital role in ensuring the smooth and efficient operation of the engine by supporting the rotating crankshaft and connecting rods.
Engine Main Bearings are located within the engine block and support the crankshaft, allowing it to rotate freely without excessive friction or wear. These bearings are precision-made to fit the specific dimensions of the crankshaft and engine block, ensuring optimal performance and durability.
Con Rod Bearings, also known as connecting rod bearings, are located at the juncture of the connecting rod and crankpin. Their function is to allow the connecting rod to pivot smoothly around the crankpin, transmitting the force generated by the exploding fuel mixture to the crankshaft, ultimately converting it into rotational power.
When selecting Engine Bearings, it's important to choose high-quality bearings that are designed for your specific engine type and application. Daido Bearing, a renowned manufacturer, offers a wide range of bearings that are precision-engineered to meet the demands of modern engines. These bearings are made from high-grade materials and undergo strict quality control procedures to ensure they meet the highest standards of performance and reliability.
Installing high-quality Engine Main Bearings and Con Rod Bearings from trusted manufacturers like Daido Bearing can significantly improve the performance and lifespan of your engine. Contact us today to learn more about our bearings and how they can enhance the performance of your engine.

Order Camshaft Bushing for your vehicle online, make your purchase, find a professional manufacturer, and get directions.

Camshaft bushings provide support and flexibility in the proper operation of a vehicle's braking system.

Bimetal bronze bushes on high quality low carbon steel substrate, the surface of sintered copper alloy with low friction characteristics (CuPb10Sn10, CuPb6Sn6Zn3, CuPb24Sn4, CuPb30, AlSn20Cu, CuSn8Ni) as bearing wear layer , copper alloy surface may need to use machining conditions of various types of sump hole, oil hole, so as not to be suitable for continuous supply or difficult situations.

• Construction machinery: sprocket wheel set, pull wheel set, tension wheel set;
• Automotive industry: balance shaft bushing, steel pin bushing, Kingpin Shaw bushings, rod bushings, valve rocker arm bushings, camshaft bushings, differential bushings, gear bushings, engine main bearings, thrust washers; And a piston side cover, side covers and other gear pump.

Engine parts Camshaft Bushings and Bushing Sets

Bimetal bronze bushes structure

1. Bi-metal sintered bronze layer: good wear resistance and excellent load-bearing capacity.
2. Steel back: The steel back forms the foundation of the bushings and offers exceptional stability, load-bearing capacity and heat dissipation properties.

Bimetal bronze bushes jf800

Bimetal bronze bushes jf800 is low-carbon steel material, the surface of the sintered steel or copper alloy products CuPb10Sn10 CuSn6Zn6Pb3 material.
The product is double the carrying capacity of the strongest alloy bearing a heavy vehicle balanced bridge bushings, gaskets; bulldozer driven pulley; automotive steel bushings are using the product.
It is a very versatile high load low speed plain bearings.

Bimetal bushing oil groove types

Bimetal Bronze Bush Hole machining and non-machining thickness tolerance

Camshaft Support Bimetal Bronze Bushes Split Bearing Steel + Lead Bronze Powder

With the processing camshaft bushes bearings of machining center, guarantee its transmission precision and interchangeability.As a kind of. general actuating mechanism, camshaft bushing has its special method of designing and manufacturing.We have complete in-house forging ,machining, grinding, Rubber moulding, Metal forming, hardening etc. facilities.Detailed Bimetal Bronze Bushings Catalogues are available on request.
What is Cam?
The CAM mechanism is composed of CAM, follower and frame.CAM is a curvilinear contour or groove of the component, generally for the active parts, for constant rotation or reciprocating linear motion.CAMSHAFT BUSHING is widely used in light industry, textile, food, transportation, mechanical transmission and other fields.
Bimetallic composite boundary lubrication bearing is a copper alloy layer with excellent wear resistance sintered on the surface of high quality low carbon steel.The surface of copper alloy layer can be processed according to the working conditions of various types of oil groove, storage pit, oil hole, etc., which is suitable for occasions where refueling is not sustainable or difficult.The copper alloy layer can provide both leaded and lead-free alloy materials.

The products are widely used in supporting and supporting wheel shaft sleeve, supporting belt wheel shaft sleeve, tensioning wheel shaft sleeve, automobile balance shaft bush, steel plate pin bush, steering knuckle main pin bush, connecting rod bush, valve rocker arm bush, camshaft bush, differential shaft sleeve, thrust gasket, plunger pump side piece, gear pump side piece and so on.

Beyond Grease: A Deep Dive into Oilless Bushings & Why Viiplus Leads the Way

Friction is the enemy of efficiency. In countless machines, from massive industrial equipment to intricate automotive components, the constant battle against wear and tear dictates performance, longevity, and maintenance costs. Traditionally, grease and oil have been the go-to solutions, but they come with their own set of challenges: frequent re-lubrication, potential contamination, environmental concerns, and limitations in extreme conditions.

Enter the world of oilless bushings, also known as self-lubricating bearings or sliding bearings. These innovative components offer a smarter way to manage friction, delivering reliable movement without the need for external lubrication.

At Viiplus (www.viiplus.com), we don't just supply these components; we engineer solutions. Leveraging deep expertise in metallurgy and tribology (the science of friction, wear, and lubrication), we've become a leading name in sliding bearing technology. But what exactly are oilless bushings, and why should they be on your radar? Let's dive deeper.

What Exactly Are Oilless Bushings? The Science of Self-Lubrication

Unlike traditional ball or roller bearings that rely on rolling elements and require constant lubrication films, oilless bushings operate on the principle of sliding motion. Their "magic" lies in their material composition and structure, designed to provide their own lubrication at the bearing surface. This can be achieved through several key technologies:

1. Solid Lubricants Embedded: Materials like graphite, MoS₂, or PTFE are embedded directly into the metallic matrix (often bronze) of the bushing. As the shaft rotates or slides, a minuscule amount of this solid lubricant is transferred to the mating surface, creating a low-friction film.

2. Porous Metal Structures: Sintered bronze or iron materials are created with microscopic pores. These pores are vacuum-impregnated with oil during manufacturing. In operation, slight heating causes the oil to expand and seep onto the bearing surface, providing lubrication. When it cools, the capillary action draws the oil back in, creating a closed-loop system.

3. Layered Composites: These often feature a strong backing (like steel), an intermediate sintered layer (like bronze), and a low-friction overlay (often PTFE-based). The PTFE layer provides the primary sliding surface, offering extremely low friction.

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Contrasting Logic: Oilless vs. Traditionally Lubricated Bearings

The Tangible Benefits: Why Make the Switch?

Choosing oilless bushings isn't just about eliminating grease guns. It's about unlocking significant operational advantages:

• Drastically Reduced Maintenance: This is the most obvious benefit. No re-greasing means less labor, less scheduled downtime, and simplified maintenance protocols. Imagine the savings across a factory floor!

• Enhanced Reliability: Lubricant starvation is a major cause of bearing failure. Self-lubricating bearings ensure consistent lubrication, leading to predictable performance and longer service life, especially in hard-to-reach locations.

• Superior Performance in Harsh Conditions: Oilless bushings excel where traditional lubricants fail:

  • High Temperatures: Certain types can operate at temperatures far exceeding the limits of conventional greases.

  • Low Temperatures: No grease means no stiffening or freezing issues.

  • Contaminated Environments: The absence of sticky grease reduces the ingress of dirt, dust, and debris.

  • Vacuum or Underwater: Ideal for applications where liquid lubricants are impractical or impossible.

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• Cost Savings (Total Cost of Ownership): While the initial purchase price might sometimes be higher, the TCO is often significantly lower due to savings on lubricants, labor, downtime, and potential component failure replacement.

• Environmental Friendliness: Eliminating oil and grease leakage prevents contamination of products, machinery, and the environment. Crucial for industries like food processing, pharmaceuticals, and textiles.

• Compact & Simplified Designs: Without the need for lubrication systems (nipples, lines, reservoirs), machine designs can be more compact and streamlined.

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Exploring Viiplus's Portfolio: Finding Your Solution

Viiplus offers a comprehensive range of self-lubricating bearings designed to meet diverse application needs. Understanding the different series helps in selection:

• JDB Series (Graphite Plugged Bronze): Excellent for high-load, low-speed applications, intermittent motion, and high temperatures. The graphite plugs provide continuous solid lubrication. Ideal for heavy machinery, molds, and hydraulic components.

• SF Series (PTFE-Based Composite): Typically metal-backed (SF-1: steel, SF-2: steel/bronze) with a PTFE-based lining. Offers very low friction, good wear resistance, and suitability for dry running or marginal lubrication. Common in automotive, office equipment, and hydraulics.

• JF Series (Bimetal Bushings): Combines a steel backing with a sintered bronze or lead-bronze lining. Good load capacity and fatigue strength. Often used with grease or oil but can operate marginally lubricated. Found in engines, chassis parts, and agricultural machinery.

• FB Series (Wrapped Bronze): Often made from bronze strip, sometimes with lubrication pockets or through-holes. A cost-effective solution for medium loads and speeds, typically requiring initial greasing but offering extended re-lubrication intervals.

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Quick Comparison Chart (General Guide):

(Note: This is a simplified guide. Always consult specific product data sheets or Viiplus experts for precise application requirements.)

Uncertain which material or type suits your project? Our Bushing Material Selection Guide is designed to help, or Contact Us for a Free Quote and Expert Advice.

Why Partner with Viiplus? Expertise Meets Quality

Choosing the right supplier is as critical as choosing the right bushing. Here’s why companies worldwide trust Viiplus:

• Deep Expertise: Our foundation in metallurgy and tribology, coupled with a talented R&D team, means we understand the science behind reliable movement. We don't just sell; we solve friction challenges.

• Uncompromising Quality: We employ advanced manufacturing techniques (including sand casting, centrifugal casting, metal casting, investment casting) and a rigorous quality management system, ensuring every bushing meets the highest standards.

• Comprehensive Range: From standard metric sizes in JDB, SF, JF, and FB series to custom solutions including cylindrical, flange, double flange bushings, wear plates, and guide rails – we have the portfolio to match your needs.

• Global Reach, Seamless Logistics: Based in China, we ship sliding bearings worldwide. Our professional team handles customs clearance efficiently, ensuring smooth, timely delivery with all necessary documentation.

• Customer-Centric Approach: We believe in ethical practices and building trust. We offer flexible production (single units to large series), competitive pricing, and  online support.

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