Babbitt Bearings
Your Professional Babbitt Bearings Supplier！
Wenzhou Zhengbang Bearing Co., Ltd. was established in 2007 and is located in Wenzhou, Zhejiang. Focus on providing the production and sales of high-quality plain bearings, babbitt bearings, bearings and mechanical non-standard accessories. Known for their superior wear resistance and low maintenance requirements, babbitt bearings are suitable for a variety of industrial applications, including marine, oil and gas, power generation, heavy industrial machinery, and more.
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![Babbitt Flanged Bearings]()
Babbitt Flanged BearingsBabbitt Bearings are manufactured using premium Babbitt alloy through precision casting and modern machining techniques, designed to provide exceptional lubrication performance, wear resistance,...read more -
![Babbitt Bearing]()
Babbitt BearingBabbitt Bearings are manufactured using premium Babbitt alloy through precision casting and modern machining techniques, designed to provide exceptional lubrication performance, wear resistance,...read more -
![Sleeve Babbitt Bearing]()
Sleeve Babbitt BearingBabbitt Bearings are manufactured using premium Babbitt alloy through precision casting and modern machining techniques, designed to provide exceptional lubrication performance, wear resistance,...read more
Why Choose Us
Quality Control
Our products use advanced production technology and strict quality control processes to ensure that each bearing can meet or even exceed customer expectations.
Our Certifications
Our company has passed the ISO9001:2015 quality management system certification.
Rapid Delivery
We are able to keep items in stock for repeat customers, offering rapid delivery for those clients. Otherwise, standard lead times are typically five weeks.
Our Service
We have a professional customer service team to provide a full range of services from technical consultation, customized services, and after-sales support.
Babbitt bearings are a type of plain bearing that utilize a soft, low-melting-point alloy called Babbitt metal as a bearing surface. These bearings are known for their ability to withstand high speeds and loads, while also providing self-lubricating and anti-friction properties. Babbitt bearings are typically used in conjunction with stronger materials like cast iron, steel, or bronze, which form the bearing shell.
Product Specification
We provide the following product specifications：
|
Bearing Size |
Bearing OD (mm^2) |
Bearing ID (mm^2) |
Pad Thickness (mm^2) |
Housing OD (mm^2) |
Bearing Height (mm^2) |
Key Length (mm^2) |
Bearing Area (mm^2) |
|
6 inch |
152.4 |
82.6 |
19 |
162 |
52.3 |
16.8 |
11850 |
|
8 inch |
203.2 |
109.5 |
25.4 |
212.7 |
68.3 |
23.9 |
21068 |
|
9 inch |
228.1 |
124 |
28.6 |
238.1 |
76.2 |
23.9 |
26664 |
|
10.5 inch |
266.7 |
144.5 |
31.8 |
279.4 |
85.9 |
28.5 |
36293 |
|
12 inch |
304.8 |
165.1 |
35 |
317.5 |
95.3 |
30.2 |
47403 |
Premium Babbitt Alloy Material
Cast with high-quality Babbitt alloy to ensure the bearing surface possesses excellent lubrication, wear resistance, and fatigue resistance, thereby ensuring long-term stable operation.
Precision Machining Process
Utilizing advanced CNC machining technology to strictly control product dimensions and surface finish, ensuring perfect compatibility with other bearing components and enhancing overall system efficiency.
Efficient Lubrication Design
The unique lubricating layer structure minimizes direct metal-to-metal contact by forming a stable oil film, effectively reducing friction losses and energy consumption.
Outstanding Durability
Engineered to meet extreme operating conditions and high-load requirements, featuring excellent thermal management and fatigue resistance to greatly extend equipment lifespan.
Customized Services
Offers a range of specifications, geometries, and material choices tailored to customer needs, with personalized customization available to meet the specific requirements of various operating environments.
Materials of Babbitt Bearings
Tin
Tin-based Babbitt alloys are desirable due to their ability to conform and embed easily. They bond more strongly with steel backings, thus able to tolerate slight shaft misalignment or eccentricities. Tin-based Babbitts usually contain about 88-90% tin, 7-8% antimony, and 3-4% copper, which provide a combination of strength and softness suitable for low-load high-speed applications.
Antimony
Antimony is included in Babbitt alloys to make them harder and able to bear more weight. In conjunction with tin, it forms a strong matrix that resists wear. The usual composition contains between 7-8% of antimony, making the alloy better able to withstand higher loads without deformation. This makes it ideal for moderate-speed applications where durability is critical.
Copper
Copper is present to further increase the bearing's strength while improving its thermal conductivity in Babbitt alloy. The presence of copper, typically around 3-4%, ensures uniform heat distribution and maintains the structural integrity of bearings during operation under different conditions. Such an addition allows the bearing to withstand higher temperatures, preventing thermal fatigue.
Preparation of Bearing Housing
Careful and thorough cleaning and preparation of bearing housing is required to ensure that it bonds well with Babbitt alloy. The process often includes aggressive sanding and degreasing so as to eliminate all impurities.
Melting the Babbitt Alloy
The melting point for this Babbitt metal usually lies between 450°F 600°F (232°C and 316°C). However, this temperature varies slightly depending on the composition of the alloys, so close temperature monitoring is crucial at this stage.
Pouring the Alloy
Then, molten Babbitt alloy is poured slowly into the bearing housing. This must be done accurately, or air bubbles may form, negatively impacting the bearing's performance.
Cooling and solidification
After pouring, the heavy liquid must cool down. During this time, there should be no shrinkage, cracking, or surface depression whatsoever. Cooling, therefore, ensures an even strong connection over the entire bearing case.
Machining to Final Dimensions
In its final solid form, machining is carried out for sizing purposes as per specifications provided during the design stage. Precision boring and turning should be applied according to accurate tolerances to fit into its intended use.
Final Inspection and Testing
The completed bearing undergoes inspection and testing stages where it must meet all dimensional accuracy tests while also checking for good surface finish, among other defects that could arise in applying such a nature. All technical specifications plus performance standards still need to be met by a finished product from here.
Certifications
FAQ
We're professional babbitt bearings manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to buy customized babbitt bearings from our factory. Contact us for free sample.
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