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JF800 SP & SY – Metal and Bimetal – Bimetal Bearing Solutions for Lubricated Applications
Bimetal plain bearing materials each consisting of a steel backing to which is sintered a lead bronze sliding layer. available as a standard range of cylindrical wrapped bushes and thrust washers in metric sizes.
Non standard parts, strip and special forms to order.
Bimetal Bushing with Lubrication pockets.
Bimetal Bushing – JF-800 – CuPb10Sn10, Special bimetal bearing dimensions and imperial sizes are available on request!
- Sliding Layer with Lubrication Indents CuPb10Sn10
- consists of approx.
- Cu 80 %
- Pb 10 %
- Sn 10 %
Bimetallic Bearings has high load capacity, very good resistance to fatigue strength at higher temperatures. Bimetal cylindrical bearings are available on order.
Producing plain bearings and bimetal bushing to the
market, including internationally recognized polymer materials.
Bimetal bushings, also known as bimetal bearings, offer a range of beneficial properties and are suitable for various applications in harsh operating conditions. Here is some information regarding the lubrication, sliding layer, and physical and mechanical properties of bimetal bushings:
Lubrication: Bimetal bushings typically incorporate a sliding layer that provides lubrication during operation. This sliding layer is often impregnated with solid lubricants such as graphite or PTFE (polytetrafluoroethylene). These lubricating particles reduce friction and wear, improving the bushing’s performance and lifespan.
Bearing Properties: Bimetal bushings are designed to withstand high loads and exhibit excellent wear resistance. The combination of a steel backing and a sliding layer with embedded solid lubricants allows for reliable performance in challenging conditions.
Lead-Free Bearings: Some bimetal bushings are manufactured using lead-free materials, such as copper bismuth on steel. These lead-free bearings comply with environmental regulations and offer high load capacity and wear resistance while maintaining performance and reliability.
High-Speed Lubricated Applications: Bimetal bushings are well-suited for high-speed lubricated applications that require good emergency running capabilities. The specific overlay composition of the bimetal bearings enables them to operate effectively at high speeds while providing reliable lubrication and reducing friction.
Physical and Mechanical Properties: The physical and mechanical properties of bimetal bushings depend on the specific composition and design. However, common characteristics include high strength, good dimensional stability, excellent thermal conductivity, and resistance to corrosion and fatigue.
Innovative Solutions: Manufacturers continuously develop innovative bimetal bearings to meet the demands of harsh operating conditions. These advancements aim to enhance performance, durability, and reliability in a wide range of applications.
It is important to consult with suppliers or manufacturers specializing in bimetal bushings to obtain comprehensive technical information and application engineering knowledge specific to your requirements. They can provide guidance on selecting the appropriate bimetal bushings that offer the desired properties and performance for your application.
The JF800 bushing is a type of self-lubricating bearing that is widely used in various industries. It is commonly known as a “bimetal bushing” or “steel-backed bushing.” Here is some information about the JF800 bushing:
- Construction: The JF800 bushing consists of a steel backing or shell with a layer of sintered bronze on its inner surface. The bronze layer is impregnated with a solid lubricant, such as PTFE (polytetrafluoroethylene), which provides self-lubricating properties.
- Self-Lubrication: The JF800 bushing is designed to operate without the need for additional external lubrication. The solid lubricant within the bronze layer acts as a reservoir, releasing lubricating particles during movement to reduce friction and wear.
- High Load Capacity: The steel backing of the JF800 bushing provides excellent mechanical strength and high load-bearing capacity. It can withstand heavy loads and is suitable for applications with high dynamic or static loads.
- Wear Resistance: The bronze layer in the JF800 bushing offers good wear resistance, allowing for extended service life even under harsh operating conditions.
- Low Friction: The self-lubricating properties of the JF800 bushing result in low friction and smooth operation, contributing to improved efficiency and reduced energy consumption.
The JF800 bushing is commonly used in various applications, including automotive, agricultural machinery, construction equipment, and industrial machinery. It is particularly suitable for applications with moderate to high loads and intermittent or oscillating movements.
When selecting the JF800 bushing for your specific application, consider factors such as load requirements, operating conditions, temperature range, and the need for self-lubrication. It is advisable to consult with suppliers or manufacturers specializing in self-lubricating bearings to ensure the proper selection and performance of the JF800 bushing for your specific needs.
Self-lubricating bimetal bearing products, a comprehensive technical and application engineering knowledge. The specific overlay composition of bimetal bearings make them suitable for high speed lubricated applications for which good emergency running is required.
Copper bismuth on steel lead-free bearings with high load capacity and excellent wear resistance. Innovative bimetal bearing for harsh
operating conditions.
Physical and Mechanical Properties
| Type/Performance Index | JF-800 | JF-720 | JF-700 | JF-20 | JF-930 |
| Max Load Capacity P(N/mm²) | 150 | 130 | 120 | 100 | 150 |
| Tensile Strength(N/mm²) | 185 | 150 | 200 | 200 | 185 |
| Max Sliding Speed(Oil Lubrication)V(m/s) | 5 | 10 | 15 | 25 | 5 |
| Friction Coefficient | 0.05~0.20 | 0.06~0.16 | 0.08~0.16 | 0.08~0.17 | 0.06~0.16 |
| Max PV Value Limit(Grease) | 2.8 | 2.8 | 2.5 | 2.8 | |
| Max PV Value Limit(Oil) | 10 | 10 | 8 | 6 |
viiplus offers growing products of engineered Bimetal Bearings and sliding bearings products and services to keep industries moving efficiently and reliably.
- Capable of supporting high specific loads
- Excellent fatigue strength under dynamic and shock load conditions
- Suitable for oil and grease lubrication
- Superior performance under oscillating movement
- The steel backing provides strength and rigidity
- Thin wall construction permits compact bearing assembly
- Indents in the bearing surface provide a reservoir for grease and thus allow extended re-greasing intervals
- Tolerant of relatively poor mating surface finish
Prototype Services
Building components for your evaluation.
VIIPLUS.COM provides engineering, custom fabrication & manufacturing of high-performance oilless bushing & self-lubricating bearings materials.
THE TRIBOLOGICAL SOLUTION PROVIDER FOR INDUSTRIAL
PROGRESS, REGARDLESS OF SHAPE OR MATERIAL
The more and more demanding specifications of today’s high performance equipment and systems require that the bimetal bushing bearings operate not
only under severe working conditions with minimal or no maintenance but that they also offer increased reliability and durability with lower
operating costs. Bimetal Bushing Application Characteristics
| Material Trademark | Using Conditions | Use Occasions |
| JF-800 | High resistance to fatigue strength and load capacity, with high shock resistance good wearing and good corrosion resistance. | Fit for middle load, high speed, bushes, washer and connecting rod bearing in internal combustion engine used in equipment and high shock bushing. |
| JF-720 | Good resistance to fatigue strength and high load capacity, good performance of sliding, liable to be corrupted by lubrication oil. | Middle load middle speed, principle axis of internal combustion engine. |
| JF-700 | Good resistance to fatigue strength, load capacity, shock resistance. | Principle axis of internal combustion engine, connecting rod bushing. |
| JF-20 | Good performance of anti-seizing, covering eyewinker, soft alloy be plated on working surface. | High speed, middle or low load, principle axis internal combustion engine. |
| JF-930 | Moderate fatigue strength, and load capacity, good wrrosion resistance good performance of bearing sliding. | High speed, low load, internal combustion engine half bearing, bushing used in compressing and refrigerating machine. |
Bimetal-bearing solutions are known for their quality and long lifespan. Here is some technical data related to bimetal bushings:
- Load Capacity: Bimetal bushings offer high load-carrying capacity, allowing them to withstand heavy loads and pressures. The steel backing provides mechanical strength and stability, while the sliding layer contributes to the load-bearing capability.
- Wear Resistance: Bimetal bushings exhibit excellent wear resistance, making them suitable for applications where friction and abrasion are present. The combination of materials in the sliding layer helps minimize wear and extend the bushing’s service life.
- Lubrication: Bimetal bushings are designed to operate with lubrication, which can be provided through the use of oils, greases, or other lubricants. Proper lubrication ensures smooth movement and reduces friction, enhancing the bushing’s performance and longevity.
- Emergency Running: Bimetal bushings are engineered to perform well in emergency running conditions. This means that even if the primary lubrication is temporarily unavailable or interrupted, the bushing can still provide reliable operation for a limited duration.
- Temperature Range: Bimetal bushings can operate effectively within a wide temperature range, depending on the specific materials used. They are designed to withstand both high and low temperatures, ensuring consistent performance in various environments.
- Corrosion Resistance: Bimetal bushings are generally resistant to corrosion, which makes them suitable for applications exposed to moisture, chemicals, or other corrosive elements. The steel backing is typically treated or coated to enhance its resistance to rust and corrosion.
- Application Versatility: Bimetal bushings find applications in various industries, including automotive, construction, agriculture, and industrial equipment. They are used in a wide range of rotating, oscillating, and sliding applications.
It is important to note that specific technical data may vary depending on the manufacturer, design, and composition of the bimetal bushings. When considering bimetal bearing solutions, it is recommended to consult with suppliers or manufacturers who can provide detailed technical specifications and assistance in selecting the right bushing for your specific application needs.
Oil Hole Design
Oil Hole is necessary to design if bimetal bushing have lubricated sufficiently; the following oil hole design is recommended, which is also suitable for EMT series without special requirements.
| Bushing O.D. (D） | Φ14>D≤22 | Φ14>D≤22 | Φ14>D≤22 | Φ14>D≤22 | Φ14>D≤22 |
| Oil Hole Diameter (mm) | 3 | 4 | 5 | 6 | 7 |
Bimetallic Bushing Material Characteristics
| Data | Part No | |||||
| EMT Structure | ||||||
| Steel+CuPb10Sn10 | Steel+CuPb24Sn4 | Steel+CuPb,0 | Steel+AISn20Cu | Steel+CuSn8Ni | ||
| Corresponding Code | SAE-792(SAE797). JIS-LBC3. |
SAE-799.JIS-LBC6. | SAE-48.JIS-KJ3 | SAE-783.JIS-AJL． | ||
| Max Load Capacity P | 150/mm 2 | 130/mm 2 | 120/mm 2 | 100/mm 2 | 140/mm 2 | |
| Greaes Lubrication | ||||||
| Max Speed | 2.5m/s | 2.5m/s | ||||
| Maximum PVValue | 2.8N/mm2. m/s | 2.8N/mm2. m/s | 2.5N/mm2. m/s | |||
| Coefficient of friction | 0.05~0.15 | 0.06~0.16 | ||||
| (Oil)Lubrication | ||||||
| Max Speed | 10m/s | 10m/s | 15m/s | 25m/s | ||
| Maximum PVValue | 10N/mm2. m/s | 10N/mm2. m/s | 8N/mm2. m/s | 6N/mm2. m/s | ||
| Coefficient of friction | 0.05~0.12 | 0.05~0.15 | 0.06~0.17 | 0.06~0.17 | ||
| Max Working Temperature |
||||||
| Greaes Lubrication | 150°C | 150°C | 170°C | 150°C | ||
| Lubrication | 250°C | 250°C | 250°C | 250°C | 200°C | |
| Alloy Hardness | 60~100HB | 45~70HB | 30~45HB | 30~40HB | 70~120HB | |
Our Application Engineers can assist you in:
Choosing the right bimetal bearings type of plain bearing for your application.
- Design of the bimetal bearing according to standard dimensions or to customer specific requirements
- Establishing a bimetal bushing lifetime estimate
- Assembly and installation recommendations
Our advanced R&D and testing facilities help us deliver comprehensive solutions and assure their performance, reliability, and cost-effectiveness. Our high-performance bimetal bearing specialists have the experience and expertise to provide innovative solutions to even the most challenging applications.
| PART NO. | TECHNICAL DATA | |||
| VIIPLUS | Nominal Diameter | Wall Thickness s3 | Width | |
| Di | Do | max. min. |
B | |
| PM2015 Bimetal Bushing | 20 | 23 | 1.490 1.430 |
15 |
| PM2025 Bimetal Bushing | 20 | 23 | 25 | |
| PM2030 Bimetal Bushing | 20 | 23 | 30 | |
| PM2215 Bimetal Bushing | 22 | 25 | 15 | |
| PM2220 Bimetal Bushing | 22 | 25 | 20 | |
| PM2225 Bimetal Bushing | 22 | 25 | 25 | |
| PM2230 Bimetal Bushing | 22 | 25 | 30 | |
| PM2515 Bimetal Bushing | 25 | 28 | 15 | |
| PM2520 Bimetal Bushing | 25 | 28 | 20 | |
| PM2525 Bimetal Bushing | 25 | 28 | 25 | |
| PM2530 Bimetal Bushing | 25 | 28 | 30 | |
| PM2815 Bimetal Bushing | 28 | 32 | 1.980 1.920 |
15 |
| PM2820 Bimetal Bushing | 28 | 32 | 20 | |
| PM2825 Bimetal Bushing | 28 | 32 | 25 | |
| PM2830 Bimetal Bushing | 28 | 32 | 30 | |
| PM3015 Bimetal Bushing | 30 | 34 | 15 | |
| PM3020 Bimetal Bushing | 30 | 34 | 20 | |
| PM3025 Bimetal Bushing | 30 | 34 | 25 | |
| PM3030 Bimetal Bushing | 30 | 34 | 30 | |
| PM3040 Bimetal Bushing | 30 | 34 | 40 | |
| PM3230 Bimetal Bushing | 32 | 36 | 30 | |
| PM3240 Bimetal Bushing | 32 | 36 | 40 | |
| PM3515 Bimetal Bushing | 35 | 39 | 15 | |
| PM3520 Bimetal Bushing | 35 | 39 | 20 | |
| PM3525 Bimetal Bushing | 35 | 39 | 25 | |
| PM3530 Bimetal Bushing | 35 | 39 | 30 | |
| PM3535 Bimetal Bushing | 35 | 39 | 35 | |
| PM3540 Bimetal Bushing | 35 | 39 | 40 | |
| PM3545 Bimetal Bushing | 35 | 39 | 45 | |
| PM3550 Bimetal Bushing | 35 | 39 | 50 | |
| PM4020 Bimetal Bushing | 40 | 44 | 20 | |
| PM4030 Bimetal Bushing | 40 | 44 | 30 | |
| PM4040 Bimetal Bushing | 40 | 44 | 40 | |
| PM4050 Bimetal Bushing | 40 | 44 | 50 | |
| PM4060 Bimetal Bushing | 40 | 44 | 60 | |
| PM4530 Bimetal Bushing | 45 | 50 | 2.460 2.400 |
30 |
| PM4540 Bimetal Bushing | 45 | 50 | 40 | |
| PM4550 Bimetal Bushing | 45 | 50 | 50 | |
| PM4560 Bimetal Bushing | 45 | 50 | 60 | |
| PM5020 Bimetal Bushing | 50 | 55 | 20 | |
| PM5030 Bimetal Bushing | 50 | 55 | 30 | |
| PM5040 Bimetal Bushing | 50 | 55 | 40 | |
| PM5050 Bimetal Bushing | 50 | 55 | 50 | |
| PM5060 Bimetal Bushing | 50 | 55 | 60 | |
| PM5535 Bimetal Bushing | 55 | 60 | 35 | |
| PM5540 Bimetal Bushing | 55 | 60 | 40 | |
| PM5555 Bimetal Bushing | 55 | 60 | 55 | |
| PM5560 Bimetal Bushing | 55 | 60 | 60 | |
| PM6030 Bimetal Bushing | 60 | 65 | 30 | |
| PM6040 Bimetal Bushing | 60 | 65 | 40 | |
| PM6060 Bimetal Bushing | 60 | 65 | 60 | |
| PM6070 Bimetal Bushing | 60 | 65 | 70 | |
| PM6540 Bimetal Bushing | 65 | 70 | 40 | |
| PM6550 Bimetal Bushing | 65 | 70 | 50 | |
| PM6560 Bimetal Bushing | 65 | 70 | 60 | |
| PM6570 Bimetal Bushing | 65 | 70 | 70 | |
| PART NO. | TECHNICAL DATA | |||
| VIIPLUS | Nominal Diameter | Wall Thickness s3 | Width | |
| D, | Do | max. min. | B | |
| PM7030 Bimetal Bushing | 70 | 75 | 2.460 2.400 |
30 |
| PM7040 Bimetal Bushing | 70 | 75 | 40 | |
| PM7045 Bimetal Bushing | 70 | 75 | 45 | |
| PM7050 Bimetal Bushing | 70 | 75 | 50 | |
| PM7065 Bimetal Bushing | 70 | 75 | 65 | |
| PM7080 Bimetal Bushing | 70 | 75 | 80 | |
| PM7540 Bimetal Bushing | 75 | 80 | 40 | |
| PM7560 Bimetal Bushing | 75 | 80 | 60 | |
| PM7580 Bimetal Bushing | 75 | 80 | 80 | |
| PM8040 Bimetal Bushing | 80 | 85 | 40 | |
| PM8060 Bimetal Bushing | 80 | 85 | 60 | |
| PM8075 Bimetal Bushing | 80 | 85 | 75 | |
| PM8080 Bimetal Bushing | 80 | 85 | 80 | |
| PM8560 Bimetal Bushing | 85 | 90 | 60 | |
| PM9040 Bimetal Bushing | 90 | 95 | 40 | |
| PM9070 Bimetal Bushing | 90 | 95 | 70 | |
| PM9090 Bimetal Bushing | 90 | 95 | 90 | |
| PM10040 Bimetal Bushing | 100 | 105 | 40 | |
| PM10050 Bimetal Bushing | 100 | 105 | 50 | |
| PM10060 Bimetal Bushing | 100 | 105 | 60 | |
| PM10080 Bimetal Bushing | 100 | 105 | 80 | |
| PM10095 Bimetal Bushing | 100 | 105 | 95 | |
| PM12050 Bimetal Bushing | 120 | 125 | 50 | |
| PM13560 Bimetal Bushing | 135 | 140 | 60 | |
| VIIPLUS | Inside φ Dj max. min. |
Outside φ Do max. min. |
Thickness ST max. min. |
Dowel Hole φ Dd max. min. |
| WC30 Bimetal Washer | 32.00 32.25 |
54.00 53.75 |
1.45 1.41 |
4.125 4.375 |
| WC35 Bimetal Washer | 38.00 38.25 |
62.00 61.75 |
||
| WC40 Bimetal Washer | 42.00 42.25 |
66.00 65.75 |
||
| WC45 Bimetal Washer | 48.00 48.25 |
74.00 73.75 |
1.95 1.92 |
|
| WC50 Bimetal Washer | 52.00 52.25 |
78.00 77.75 |
||
Bimetal bushings are renowned for their self-lubricating properties and long lifespan. They are maintenance-free bearing solutions suitable for various applications. Here are some technical details about bimetal bushings:
- Structure: Bimetal bushings have a bimetallic structure, consisting of a support material and a sliding layer. The support material is typically steel, copper-plated, or tin-plated, while the sliding layer is made of CuPb10Sn10, a bronze alloy.
- High Mechanical Strength: The bimetal structure of the bushing provides exceptional mechanical strength, making it highly resistant to fatigue and wear. This makes bimetal bushings suitable for applications subjected to extreme loads, including shock loads and low-speed oscillating movements.
- Lubrication: Bimetal bushings are designed to be self-lubricating, thanks to the sliding layer’s embedded solid lubrication pockets. This eliminates the need for additional external lubrication and ensures consistent lubrication throughout the bushing’s lifespan.
- Material Properties:
- Specific Load Capacity (Static): ≤ 250 [N/mm2]
- Specific Load Capacity (Dynamic): ≤ 140 [N/mm2]
- Sliding Speed: ≤ 2.5 [m/s]
- Friction Value: 0.04 [µ] to 0.12 [µ]
- Temperature Strain: -40 [°C] to +250 [°C]
- Max. PV-Value: 2.8 [N/mm² x m/s]
- Percentage Contact Area: > 75 [%]
- Tolerance Details:
- Housing Diameter: H7
- Bushing Inner Diameter (After Mounting): H9
- Shaft Tolerance: f7 to h8
Bimetal bushings, such as the JF-800 CuPb10Sn10, offer reliable performance in lubricated applications under extreme loads and conditions. They are versatile solutions for various industries.
When selecting bimetal bushings, it is recommended to consider specific application requirements and consult with suppliers or manufacturers who can provide detailed technical guidance and assistance in choosing the appropriate bushing for your needs.
JF800 Alloy Code & Corresponding International Code
| Product Code | Alloy Code | Alloy Hardness | Corresponding International Code |
| JF800 | CuPb10Sn10 | 69-90 HB | DIN-CuPb10Sn, SAE-797, JIS-LBC3 |
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BIMETAL BUSHING APPLICATIONS
Engine bearings, automotive parts, general industrial machinery, food machinery and household electric appliances.
-
Agricultural machinery, earth-movers, textile machinery,
- pneumatic equipment, king pin bushes, brake caliper bushes,
- mechanical handling and lifting equipment, hydraulic cylinders,
- off-highway equipment etc.
