An unground bearing without a flange is a type of bearing that has not undergone the final grinding process typically used to achieve precise surface finishes. This type of bearing is often more economical than precision-ground bearings and is suited for less demanding applications where extreme accuracy, low noise, or high speeds are not critical. The absence of a flange makes it more versatile for use in applications where the bearing can be mounted in various configurations.
Key Characteristics of Unground Bearings Without Flanges:
Unground Finish:The bearing raceways and surfaces are not precision ground, meaning that they may have a rougher surface compared to precision bearings. This makes the bearing suitable for applications where high tolerances and low friction are not essential.
Because of the unground surfaces, these bearings typically operate at lower speeds and under lighter loads compared to their ground counterparts.
unground bearing without flanged
|
Model |
d mm |
D mm |
h mm |
H mm |
W kg |
|
|
6.35 |
17.45 |
6.35 |
6.35 |
0.01 |
|
|
6.35 |
22.23 |
6.35 |
6.35 |
0.01 |
|
|
7.92 |
22.23 |
6.35 |
6.35 |
0.01 |
|
|
9.53 |
22.23 |
6.35 |
6.35 |
0.01 |
|
|
9.53 |
23.8 |
7.98 |
7.98 |
0.02 |
|
|
6.35 |
26.97 |
6.35 |
6.35 |
0.02 |
|
|
9.53 |
26.97 |
6.35 |
6.35 |
0.02 |
|
|
9.53 |
26.97 |
9.53 |
9.53 |
0.02 |
|
|
9.53 |
28.58 |
9.53 |
9.53 |
0.04 |
|
|
11.10 |
28.58 |
9.53 |
9.53 |
0.03 |
|
|
12.70 |
28.58 |
9.40 |
10.31 |
0.03 |
|
|
7.92 |
32.54 |
7.92 |
7.92 |
0.04 |
|
|
9.53 |
32.54 |
7.92 |
7.92 |
0.04 |
|
|
12.70 |
32.54 |
7.92 |
7.92 |
0.04 |
|
|
12.70 |
34.93 |
11.94 |
12.70 |
0.05 |
|
|
15.88 |
34.93 |
11.94 |
12.70 |
0.05 |
|
|
12.70 |
38.10 |
11.10 |
12.70 |
0.07 |
|
|
15.88 |
38.10 |
11.10 |
12.70 |
0.06 |
|
|
19.05 |
41.28 |
9.53 |
9.53 |
0.06 |
|
|
19.05 |
44.45 |
14.27 |
14.27 |
0.10 |
|
|
25.40 |
50.80 |
14.53 |
15.88 |
0.14 |
|
|
31.75 |
66.68 |
17.45 |
17.45 |
0.34 |
|
|
38.10 |
69.85 |
19.05 |
19.05 |
0.36 |
|
|
44.45 |
78.56 |
22.23 |
22.23 |
0.50 |
|
|
50.80 |
85.73 |
23.80 |
23.80 |
0.61 |
Lack of Flange:
A flange is usually a protruding edge on one side of the bearing that helps with mounting or aligning the bearing in its housing. Without a flange, this type of bearing can be used in configurations where a flush or unrestrained fit is required.
The absence of a flange allows more flexibility in positioning and alignment, but also means that axial positioning (side-to-side movement) may need to be controlled by external components.
Cost-Effectiveness:
Since they do not undergo the costly grinding process and may be made with less precision, unground bearings are often more affordable.
These bearings are a good choice for low-cost, lower-speed applications where precision is not a primary concern.
Material and Durability:
Unground bearings can still be made from durable materials such as hardened steel, but they will have a shorter lifespan in high-load or high-speed applications due to the rougher surfaces and higher friction.
They may also require more frequent lubrication to operate smoothly over time.
Applications of Unground Bearings Without Flanges:
Agricultural Equipment: These bearings are often found in lower-speed machinery like plows, tillers, or harvesters, where cost efficiency and durability are more important than high precision or speed.
Conveyor Systems: In conveyor belts or roller systems that operate at slow to moderate speeds, unground bearings are often used because they are economical and still provide adequate support for the rollers.
Low-Speed Rotational Machinery: For machines that do not require high precision or operate at relatively low speeds (such as basic industrial tools, or fans), unground bearings without flanges can be ideal.
Furniture and Sliding Mechanisms: These bearings can be used in sliding or rotational parts in furniture, casters, or other mechanisms where fine tolerances are not needed.
Advantages:
Cost Efficiency: The unground bearing is more affordable due to the simpler manufacturing process.
Flexible Installation: Without a flange, the bearing can be installed in a wide variety of positions and configurations, providing versatility for engineers and designers.
Disadvantages:
Lower Precision: Unground bearings have rougher surfaces and less precision, which can result in higher friction, more noise, and reduced smoothness in operation.
Limited Speed and Load Capacity: These bearings are generally not suited for high-speed or heavy-load applications, as the lack of precision leads to more wear and tear over time.
Shaoxing Shangyu Flight Seiko Machinery Co., Ltd. (FTM), founded in 2006, is China Unground Bearing Without Flange Suppliers and Wholesale Unground Bearing Without Flange Factory.And it an enterprise focusing on the R&D, manufacturing, and customization of non-standard bearings, high-precision bearings (import substitution), and bearing accessories and mechanical parts. With more than 30 years of technical design experience, FTM has earned an excellent reputation in the field of high-quality bearings. Our professional technical team provides domestic and foreign customers with high-quality bearing solutions in engineering machinery, textile machinery, and other fields.
Relying on years of professional manufacturing and technical skills, FTM actively introduces advanced CNC machine tools from Japan to ensure product processing accuracy and stability. In addition, FTM's bearing product research is guided by a doctor of tribology. We adhere to the corporate philosophy of innovation and development, and our products are exported to many countries and regions around the world. We have long been supporting and producing various types of bearings for many world-renowned companies, maintaining good production relationships. Spin into eternity, inherit excellence, and create the future together. Choose FTM, and we will be your best choice for bearing solutions.
Understanding the Fundamentals of Ball Bearings Ball bearings are precision components designed to reduce friction between moving parts of industrial machinery. They consist of four essential elements...
Introduction to Roller Bearing Technology Roller bearings are fundamental mechanical components engineered to facilitate rotational or linear motion while reducing friction and handling significant st...
The Fundamental Role of Cam Roller Bearings in Modern Machinery Cam roller bearings are indispensable components in the landscape of mechanical engineering and automated manufacturing. Unlike standard...
The unground bearing without a flange is a highly versatile and cost-effective mechanical component designed for applications where functional reliability is required without the premium cost of precision-ground finishes. Unlike standard precision bearings that undergo rigorous final grinding to achieve micron-level tolerances, unground bearings are manufactured through a streamlined process. This makes them an ideal choice for high-volume industrial needs that prioritize economic efficiency and robust performance in low-to-moderate speed environments.
By eliminating the mounting flange, these bearings offer a sleek, cylindrical outer diameter. This design provides engineers with greater flexibility in housing integration, allowing for press-fit installations or customized mounting configurations that flanged alternatives cannot accommodate.
Understanding the distinction between unground and precision-ground components is essential for selecting the right part for your machinery. Below is a comparison to help guide your engineering decisions.
| Feature | Unground Bearing (Non-Flanged) | Precision Ground Bearing |
|---|---|---|
| Surface Finish | Machined or cold-rolled raceways | Micro-ground and polished |
| Tolerance Level | Moderate (Standard industrial grade) | High (ABEC 1 to ABEC 9) |
| Load Capacity | Optimized for light to medium loads | Designed for high-stress loads |
| Speed Rating | Low to moderate RPM | High-speed rotation |
| Cost Efficiency | Extremely High (Budget-friendly) | Premium Pricing |
| Common Use | Conveyors, casters, textile rollers | Aerospace, high-end robotics |
With over 30 years of technical design expertise, Shaoxing Shangyu Flight Seiko Machinery Co., Ltd. (FTM) bridges the gap between cost-effectiveness and industrial reliability. Our advantages include:
1. What are the primary benefits of choosing an unground bearing over a ground one
The primary benefit is cost reduction. In applications like gravity conveyors or manual sliding systems where high-speed precision is not required, unground bearings provide the necessary mechanical rotation at a fraction of the cost of ground alternatives.
2. Can these bearings be customized for specific dimensions
Yes. As a specialist in non-standard bearings, FTM can adjust the inner diameter, outer diameter, and width of unground bearings to meet your specific mechanical drawings, even for low-volume production runs.
3. Why would I choose a bearing without a flange
A non-flanged bearing allows for a smooth, flush installation within a housing. This is particularly useful when the assembly requires the bearing to be submerged within a part or when the mounting surface must remain unobstructed.
4. What industries typically use unground bearings without flanges
These are widely utilized in textile machinery, material handling systems, overhead door tracks, agricultural equipment, and various consumer goods where moderate load and speed are the standard operating parameters.
5. How does FTM ensure quality for unground products
Quality control at FTM is not limited to surface finish. We perform rigorous checks on material hardness, dimensional consistency, and internal ball fitment to ensure that every unground bearing provides smooth, reliable operation throughout its service life.
If you have any questions or would like to know more about bearings, please feel free to contact us!
We use first- and third-party cookies including other tracking technologies from third party publishers to give you the full functionality of our website, to customize your user experience, perform analytics and deliver personalized advertising on our websites, apps and newsletters across internet and via social media platforms. For that purpose, we collect information about user, browsing patterns and device.
By clicking "Accept All Cookies", you accept this, and agree that we share this information with third parties, such as our advertising partners. If you prefer, you can choose to continue with "Only Required Cookies". But keep in mind that blocking some types of cookies may impact how we can deliver tailored content that you might like.
For more information and to customize your options, click on "Cookie settings". If you want to learn more about cookies and why we use them, visit our Cookie Policy page at any time. Cookie Policy
English
中文简体
عربى
Download Catalog
