JIAXING VIIPLUS INTERNATIO NAL TRADING CO.,LTD
We Manufacture • Stock • Machining, https://www.viiplus.com/ tiffany@viiplus.com Stronger. By Self-lubricating Bearing & Cast Bronze Bushing Design Plain-bearing technology in precision with many
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Bimetal Lead-Free Plain Thin-Walled Bearings, available in both imperial and metric sizes, are designed to offer superior performance and durability without the use of lead. These bearings, also known as bushings, feature grooves that enhance lubrication and help to reduce friction, ensuring smooth and efficient operation.
Constructed from a combination of two different metals, bimetal bearings are renowned for their ability to withstand high temperatures, heavy loads, and corrosive environments. The outer layer is typically made from a high-quality steel or brass that provides strength and wear resistance, while the inner layer is composed of a softer, more porous material that allows for the formation of a thin film of oil or grease, further reducing friction and improving the bearing's overall performance.
Lead-free bearings are a more environmentally friendly option, as they do not contain lead, a toxic heavy metal that can have harmful effects on both human health and the environment. This makes them an ideal choice for applications where environmental concerns are a priority.
Whether you're looking for a bearing to fit a specific imperial or metric size, or require a bearing with grooves for enhanced lubrication, bimetal lead-free plain thin-walled bearings offer a reliable and effective solution. With their superior performance and durability, they are well-suited for use in a wide range of industries and applications, including automotive, aerospace, and heavy machinery.
The bimetal bushing is backed with high-quality low carbon steel with tin-lead-bronze alloy(CuSn10Pb10) sintered on its surface.
Wear-resistant special additive dispersed sintered bronze bearings with back metals
We believe that by being creative and constantly striving to challenge ourselves we provide the highest-quality bimetal bearing from china.
Bi metal strips Length 1000mm Width 250mm thickness 1.55mm
The bimetal bushing is steel backed with high-quality with tin-
- Con Rod Bearing Bush
- Sleeve Bush for Rocker Arm
- Cam Shaft Bearing Bush
Bimetal bearing bushes have high-performance environmentally friendly dual metal bearings that are customer-specified products. bimetal bearing bushes use low-carbon steel plate as supporting base and powder metallurgy sintering and rolling processes to form a leadless CuSn8Ni steel-copper alloy product. The materials in this product meet RoHS directory/regulation/rule, under certain circumstances can substitute for JF800 products. bimetal bearing bushes have a high load-bearing capacity and good wear-resistance. Its shortcoming is that it cannot be used without oil lubrication. In places where oil lubrication is sufficient, bimetal bearing bushes have superior performance.
Our sales assistant team will provide bronze bushings service for each of your needs.
Once we receive your request, we will contact you, and the sliding bushings qualified type will be recommended to you within 24 hours.
| The designing of oil indentations | ||||||
| In order to fully lubricate the bush when in the performance, the indentations with size as following are recommended. They should be manufactured according to the standard below if without special requirements. | ||||||
| Bush O.D | More than to | 14~22 | 22!44 | 40~50 | 50~100 | 100~180 |
| Lubricating hole | 3 | 3 | 3 | 6 | 7 | |
| The lubricating hole should be away from the butt joint and loading area and designed to be easy-oil-feeding as well. | ||||||
| Normal thickness of the JF bimetal and their tolerances | ||||||||
| Tolerance Thickness | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 5 |
| Thickness of steel backing | 0.6 | 1 | 1.4 | 1.9 | 2.3 | 2.8 | 3.2 | 4 |
| Thickness of bronze layer | 0.4 | 0.5 | 0.6 | 0.6 | 0.7 | 0.7 | 0.8 | 1.0 |
| Manufacturable wall thickness | 1+0.25 +0.15 | 1.5+0.25 +0.15 | 2+0.25 +0.15 | 2.5+0.25 +0.15 | 3+0.25 +0.15 | 3.5+0.25 +0.15 | 4+0.25 +0.15 | 4+0.25 +0.15 |
| Manufactured wall thickness | 1-0.025 | 1.5-0.03 | 2-0.035 | 2.5-0.04 | 3-0.045 | 3.5-0.05 | 4-0.055 | 4-0.06 |
| JF JF Bimetal Bushing chemical composition | ||||
| Tolerance Thickness | JF-800 | JF-720 | JF-700 | JF-20 |
| Cu | Remainder | Remainder | Remainder | 0.7~1.3 |
| Pb | 9.0~11.0 | 21.0~27.0 | 26.0~33.0 | - |
| Sn | 9.0~11.0 | 3.0~4.5 | 0.5 | 17.5~22.5 |
| Zn | 0.5 | 0.5 | 0.5 | - |
| P | 0.1 | 0.1 | 0.1 | |
| Fe | 0.7 | 0.7 | 0.7 | 0.7 |
| Ni | 0.5 | 0.5 | 0.5 | 0.1 |
| Sb | 0.2 | 0.2 | 0.2 | - |
| Ai | - | - | - | |
| Si | - | - | - | 0.7 |
| Mn | - | - | - | 0.7 |
| Ti | - | - | - | 0.2 |
| Other | 0.5 | 0.5 | 0.5 | 0.5 |
| JFBimetel Bushing Physical properties | |||||
| Physical properties | JF-800 | JF-720 | JF-700 | JF-20 | |
| Max. static load pressure N/mm2 | 150 | 130 | 120 | 100 | |
| Tensile strength N/mm2 | 150 | 150 | 200 | 200 | |
| Max. speed(oil) m/s | 5 | 10 | 15 | 25 | |
| Friction coef(Oill) | 0.06~0.14 | 0.06~0.16 | 0.08~0.16 | 0.08~0.17 | |
| PV limit N/mm2 m/s | Grease | 2.8 | 2.8 | 2.5 | - |
| Oil | 10 | 10 | 8 | 6 | |
| “Sapphire Fatigue Calss Mpa | 125 | 115 | 105 | 85 | |
Type:-Flanged
-Solid Bronze
-Welded Joint
-Split Joint
-Clench Lock
-Sintered / Powder Metal
-Graphite Impregnated
The bimetal bushing will most notably benefit transmissions and truck brakes as well as agricultural, mechanical handling and lifting applications. They boast a high load capacity and very good resistance to fatigue strength at high temperatures.
Bimetal bearings are able to handle heavy loads and shock-loading conditions. Our bimetal bearings have anti-corrosion capabilities and are easy to install, making them ideal for emergency replacements.VIIPLUS is available with stainless steel, carbon steel, or bronze backing.
Bushings are made of Steel backed lead bronze lined bushings and have the following layers:
Bimetal bearings thin-walled bushings are available with stainless steel, carbon steel, or bronze backing. Bimetal Bushings are able to handle heavy loads and shock-loading conditions. Our bimetal bearings have anti-corrosion capabilities and are easy to install, making them ideal for emergency replacements.
This is a bimetal bearing material in which aluminum alloy and copper alloy comprise a two- or three-layer structure with a steel backing. This structure, whose mechanical strength is high, can be used under lubricated conditions and high-speed/high-load operation.
It can be made from a variety of different materials, depending on the application, use conditions, and lubrication.
Load capability can be improved by oil holes, grooves, etc., depending on lubrication conditions. In some cases, a dry bearing can also be used under lubricated conditions.
Carrier Roller Bushings
Viiplus offers a broad range of sizes, forms, and materials in monometallic and bimetallic bearings. Bimetal and metal bearings offer excellent corrosion resistance in industrial outdoor applications and in water, marine, and offshore environments.
Bimetallic bearing is one of the bearing lubrication systems, the product is high-quality low carbon steel back as substrate, the bronze alloy on the surface, through several high-temperature sintering and density and rolled copper and steel bimetallic strip coiling, suitable for medium and high impact load under bush and thrust washer and so on many kinds of USES.
Bimetal Bearing Bushings are composed of two metal strips, in two different materials; The first is normally in steel/bronze / stainless steel backed with low friction and excellent wear resistance.
Oilless Bimetal Bronze Steel Bearing Bushes, Split Bush Bearing VSB-80 Standard Size Custom composite CuPb10Sn10 bimetal bush high-quality oilless JF800 Bimetal Metal Bushing
Steel backing gives exceptionally high load carrying capacity, excellent heat dissipation. Sintered bronze powder gives good wear resistance and excellent load-carrying capacity. Copper plating has good corrosion resistance.
Bimetal bearing with steel backing and bronze overlay
Lead-free bearing composition with indents as reservoir for the grease, also available without indents
High load capacity, very good resistance to fatigue strength at high temperatures
Suited to harsh operating conditions
Particularly suitable for high specific loads with oscillating motion and low frequency
Fine turned shafts suitable
This material is recommended to be used under the medium speed and medium load condition with oil or grease lubricating. It is widely used for motor rod ends, Kingpin bushing, undercarriage rollers, hydraulic cylinder rod eyes of construction machines, and spherical joint bearings of agricultural machines. Because this material is with lead, the specific parts are not allowed to be used according to certain laws or regulations. Widely used in the automotive, common industrial-like steering gear, power steering, pedal bushes, king-pin bushes, tailgate pivots, mechanical handling, lifting equipment, hydraulic motors, agricultural machines, etc.
| Dynamic load limit | 60N/mm² |
| Static Load | 120N/mm² |
| frictional coefficient | 0.08~0.2 |
| PV limit | 2.8N/mm²*m/s |
| Max Speed | ＞2m/s |
| Temp.limit | -40°C~+250°C |
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Special dimensions are available on request
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