Cast Bronze Sleeve Bearings,Bronze Bushing & Bearings, Special tolerances or machined-to-print parts are availableChina Online Size | View Our Catalog.

Bronze Sleeve Bearings: Reliable Bronze Sleeve Bushing manufacturer in china C932 or SAE 660) cast bronze sleeve bearings.

Applications include bronze bearings and bronze bushings.

In Stock, No Minimum Order. Order Online Now. ISO Certified Business. View Catalog. Quality Bronze Bushings. Request A Quote. Sliding Bearings Solutions Experience. Highlights: Offering Quality Bronze Bearing, Chat Support Available.

CONTINUOUS CAST BRONZE BUSHINGS MADE TO ORDER C93200 (SAE 660) Bearing Bronze ISO4379

Standard plain bearings made of waterproof solid bronze, aluminum bronze or brass. These bearings will be manufactured in accordance with ISO 4379 and according to the customer's drawing.

·Available with and without lubrication grooves.

·Suitable for grease and oil lubrication.

It has excellent load capacity and antifriction qualities that make it a preferred alloy for a wide variety of applications such as machine tools, power transmission equipment, electric motors, automotive equipment, tractors, cranes, hoists, elevators and many types of accessory and special equipment. C93200 bearing bronze has good machining characteristics, resists many chemicals and is generally recommended for medium speed, medium load applications. Conforms to continuous cast specification ASTM B 505.

Self-lubrication C93200 Bearing Bronze

C93200 (SAE 660) Sliding Bearing Bronze material is considered the standard bearing Cylindrical bushes, thrust washers, strip and non-standard parts as the clients supplied drawing etc. material for light duty applications.
While it is easily machined, the bronze alloy is hard, strong and resistant to wear.

C93200 (SAE 660) is considered the "standard" bearing material for lead-tin bronze.The alloy has excellent machining performance, good hardness, strength and wear resistance, excellent wear resistance.Typical applications include bearings, gaskets, bushing, auto parts, main shaft bearing, machine tool bearings, crane bearing, trunnion bearing, roller bearing neck, rolling mill bearings, sleeve is fuel pump and pump shaft sleeve, diesel engine piston pin bushing, forging toggle lever bearing, stuffing box hydraulic press, hydraulic press main lining, pump impeller, gm liner, fitting, pump assembly, outer spherical bearings, and so on.

VIIPLUS Provide non-standardized Solid Bronze Alloy Bearings according to ISO 4379 products:Cylindrical bushes, flanged bushes, thrust washers, flat strip material, half bearing, wear plate.

The material C93200 tin bronze copper sleeve mechanical properties and USES
With high strength, good sliding friction resistance, excellent cutting performance and good welding performance, in the atmosphere, fresh water has good corrosion resistance.Mainly used in manufacturing aviation,Parts that bear the brunt of friction in automobile and other industrial sectors, such as cylinder piston pin bushing, bearing and bushing linings, secondary connecting rod bushing, disc and washer, etc.

BUSHINGS FOR TOOL/DIE,PLASTIC MOLD TOOLING,HEAVY DUTY EQUIPMENT,INDUSTRIAL MACHINERY,OIL/GAS,AEROSPACE
MARINE/DEFENSE.

"Full range solutions of cast bronze sleeve bushings technology Solid Bronze Alloy Bearings according to ISO 4379 products"

Products Categories

Self-lubrication graphite flanged oilite bronze bushings

Introduction

Self-lubrication allows this type of sliding bearing to work under hydrodynamic conditions,

resulting in a very low friction coefficient.

Chemical composition

Solid Bronze Alloy Bearings and bronze sleeve bushings according to ISO 4379.

Characteristics

·Reliability

The constant oil presence eliminates the risk of seizure,and allows the bearing to work during thousands of hours without wear.

·Economy

Maintenance-free,no need for lubricants & Design.

·Performance

Heavy load working.

Able to work under loads of up to 10 MPa, and speeds up to 2.5 m/s. The maximum working PV is is the range of 2.45 N/mm2•m/s, but can be surpassed in special cases. The dimensional precision is very high (up to IT 5 in diameter), and produces extremely low noise.

BUSHING TYPES

·Cylinder bushing

·flange bushing

·spherical bushing

·spherical ring bushing

Avalibility

Custom bearing forms: bronze alloy cylindrical bushes according to ISO 4379, special parts according to ISO, DIN or according to customer design, special alloys.

Application

1. Automotive electrical or mechanical equipment, such as Starters,Brakes, steering,

transmission, shock absorbers, Radiator, fans, cooling systems, Fuel pumps, Wipers...

2. Universal or customized electric motors and gearboxes of medium-low power.

3. Linear and rotary actuators, pneumatic, hydraulic and electromagnetic.

4. Household appliances: Washing machines, fans,

extractor fans, shaving machines, depilators,

juicers, rostisserie, air conditioning, handtools, coffee machines, wishking machines, vacuum cleaners, lawnmowers, boilers, etc.

5. Home appliances: Locks, garage doors, awnings, roller shutters, sliding windows, office swivel

chairs, trolley rolling wheels, hinges, furnitures, gardening, etc.

6. Industrial: Bottling machinery, carpenter machinery, assembly machinery in general, automation, key duplicating machines, sewing machines, industrial vehicles, electrical switchgears, mobility, medical, catering, farm machinery, toys, etc.

Use Note

1.Use standard specifications when possible;

2.Please pay attention to the presence of foreign bodies on the surface during assembly.

3.After using the sliding surface, the surface is black or gray-black due to the oil film formed by the solid lubricant. Please do not scrub and use as usual.

4.Before assembly, if the lubricating oil is applied to the grinding parts, the short running period can be reduced, which is conducive to the mechanical operation and operation.

5.When assembling, press in slowly, and do not knock, so as to avoid damaging the bearing and causing deformation.

6.When designing, different parts should be made of appropriate materials, so as to improve the mechanical properties and prolong the service life of the bearings.

7.In high load and reciprocating motion, screw fixation is recommended.

8.Stainless steel or chrome plating is recommended for grinding shafts in fresh water, sea water and at sea.

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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.

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.

• 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.

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.

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.