Product Description
Specification
The outer spherical ball bearing is actually a variant of the deep groove ball bearing, which is characterized in that the outer diameter outer surface of the outer ring ball is spherical, and can be fitted into the corresponding concave spherical surface of the bearing seat to serve as a centering function. The outer spherical bearing is mainly used to bear the radial and axial combined load mainly based on the radial load, and generally it is not suitable to bear the axial load alone.
This type of bearing can be fitted with inner ring (with full set of rollers and retainers) and outer ring
| Unit No. | Dimension (mm) | Bearing No. | Housing No. | Weight(kg) | |||||||||
| d | h | a | e | b | s | g | w | B | n | ||||
| UCP201 | 12 | 30.2 | 127 | 96 | 38 | 19 | 15 | 62 | 31 | 12.7 | UC201 | P201 | 0.63 |
| UCP202 | 15 | 30.2 | 127 | 96 | 38 | 19 | 15 | 62 | 31 | 12.7 | UC202 | P202 | 0.61 |
| UCP203 | 17 | 30.2 | 127 | 96 | 38 | 19 | 15 | 62 | 31 | 12.7 | UC203 | P203 | 0.59 |
| UCP204 | 20 | 33.3 | 127 | 96 | 38 | 19 | 15 | 65 | 31 | 12.7 | UC204 | P204 | 0.61 |
| UCP205 | 25 | 36.5 | 140 | 105 | 38 | 19 | 16 | 70 | 34 | 14.3 | UC205 | P205 | 0.74 |
| UCP206 | 30 | 42.9 | 165 | 121 | 48 | 21 | 18 | 83 | 38.1 | 15.9 | UC206 | P206 | 1.15 |
| UCP207 | 35 | 47.6 | 167 | 126 | 48 | 21 | 19 | 92 | 42.9 | 17.5 | UC207 | P207 | 1.4 |
| UCP208 | 40 | 49.2 | 184 | 136 | 54 | 21 | 19 | 98 | 49.2 | 19 | UC208 | P208 | 1.78 |
| UCP209 | 45 | 54 | 190 | 146 | 54 | 21 | 20 | 106 | 49.2 | 19 | UC209 | P209 | 2 |
| UCP210 | 50 | 57.2 | 206 | 159 | 60 | 25 | 22 | 112 | 51.6 | 19 | UC210 | P210 | 2.55 |
| UCP211 | 55 | 63.5 | 219 | 171 | 60 | 25 | 22 | 126 | 55.6 | 22.2 | UC211 | P211 | 3.2 |
| UCP212 | 60 | 69.8 | 241 | 184 | 70 | 25 | 25 | 137 | 65.1 | 25.4 | UC212 | P212 | 4.4 |
| UCP213 | 65 | 76.2 | 265 | 203 | 70 | 29 | 27 | 150 | 65.1 | 25.4 | UC213 | P213 | 5.1 |
| UCP214 | 70 | 79.4 | 266 | 210 | 72 | 31 | 27 | 156 | 74.6 | 30.2 | UC214 | P214 | 5.7 |
| UCP215 | 75 | 82.6 | 275 | 217 | 74 | 31 | 28 | 163 | 77.8 | 33.3 | UC215 | P215 | 6.3 |
| UCP216 | 80 | 88.9 | 292 | 232 | 78 | 31 | 30 | 175 | 82.6 | 33.3 | UC216 | P216 | 7.6 |
| UCP217 | 85 | 95.2 | 310 | 247 | 83 | 31 | 32 | 187 | 85.7 | 34.1 | UC217 | P217 | 9.2 |
| UCP218 | 90 | 101.6 | 327 | 262 | 88 | 33 | 34 | 2, 63192752 | |||||
| Fax: | |||||||||||||
| Address: | Mayan Industry Zone, Henghe Town, HangZhou, HangZhou, China | ||||||||||||
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| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Cast Iron |
| Samples: |
US$ 16/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Are there different grades of UCP bearings?
Yes, there are different grades or quality levels of UCP bearings, also known as pillow block bearings. These different grades are typically determined by the manufacturing standards and the specific requirements of the application. Here’s a detailed explanation of the different grades of UCP bearings:
1. Standard Grade: Standard grade UCP bearings are manufactured to meet industry-standard specifications and performance requirements. These bearings are commonly used in general industrial applications where moderate load capacities, speeds, and operating conditions are expected. Standard grade UCP bearings provide reliable performance within their specified limits and are widely available at competitive prices.
2. High-Precision Grade: High-precision grade UCP bearings are manufactured to tighter tolerances and stricter quality control standards. These bearings are designed for applications that require precise positioning, high speeds, low noise levels, and reduced vibration. High-precision UCP bearings are commonly used in industries such as robotics, machine tools, medical equipment, and optical devices. They offer superior performance and improved accuracy but are typically more expensive than standard grade bearings.
3. Specialty Grade: Specialty grade UCP bearings are designed to meet specific application requirements or industry standards. These bearings may have unique features, materials, or coatings to enhance their performance in specific environments or operating conditions. Examples of specialty UCP bearings include high-temperature bearings, corrosion-resistant bearings, food-grade bearings, and bearings for extreme load or high-speed applications. Specialty grade UCP bearings are typically selected for challenging or specialized applications and may have higher costs compared to standard grade bearings.
It’s important to note that the availability of different grades of UCP bearings may vary depending on the manufacturer and supplier. Some manufacturers may offer a range of grades to accommodate various customer needs, while others may focus on specific grades or specialize in certain industries.
When selecting UCP bearings, it’s crucial to consider the specific requirements of the application, including load capacity, operating conditions, precision requirements, and budget. Consulting with bearing manufacturers, distributors, or industry experts can help in determining the appropriate grade of UCP bearings for a particular application.
Additionally, it’s recommended to follow the manufacturer’s guidelines and specifications for the installation, lubrication, and maintenance of the selected grade of UCP bearings to ensure optimal performance and longevity.

What is the price range for UCP bearings?
The price range for UCP bearings, also known as pillow block bearings, can vary depending on several factors, including the manufacturer, quality, size, material, and specific features of the bearing. Here’s a detailed explanation of the factors that influence the price range of UCP bearings:
- Manufacturer: Different manufacturers may offer UCP bearings at varying price points based on their brand reputation, manufacturing processes, and market positioning. Established and well-known bearing manufacturers often command higher prices compared to lesser-known or generic brands.
- Quality and Performance: UCP bearings that are manufactured to higher quality standards and offer superior performance characteristics may be priced higher than lower-quality alternatives. Factors such as precision, load capacity, speed rating, and durability can influence the price of the bearing.
- Size and Bore Diameter: The physical size and bore diameter of the UCP bearing can affect its price. Larger bearings or those with larger bore diameters generally require more materials and manufacturing processes, which can result in higher pricing compared to smaller bearings.
- Material: The material used for the bearing housing and the bearing insert can impact the price. UCP bearings made from materials such as cast iron, ductile iron, stainless steel, or ceramic may have different price ranges due to variations in material costs and manufacturing complexity.
- Features and Options: UCP bearings may come with additional features or options that can influence the price. These features can include specialized seals, coatings, lubrication systems, or self-aligning capabilities. Bearings with more advanced features or options may be priced higher than basic models.
Due to the various factors mentioned above, the price range for UCP bearings can vary significantly. As an estimate, the price for UCP bearings can range from a few dollars for smaller, basic models to several hundred dollars for larger, high-performance bearings with advanced features. It’s important to consider the specific requirements of your application and balance them with the available budget when selecting UCP bearings.
To get accurate and up-to-date pricing information, it’s recommended to consult with bearing suppliers, distributors, or manufacturers. They can provide you with specific pricing details based on the desired UCP bearing specifications, quantities, and any additional requirements you may have.
Keep in mind that the prices mentioned above are for general reference only, and actual prices may vary depending on the market conditions, geographical location, and other factors at the time of purchase.

What are the dimensions of standard UCP bearings?
Standard UCP bearings, also known as pillow block bearings, come in various sizes and configurations to accommodate different shaft diameters. The dimensions of UCP bearings are typically specified by the bore diameter, overall length, width, and mounting hole spacing. Here’s a detailed explanation of the dimensions commonly associated with standard UCP bearings:
- Bore Diameter: The bore diameter refers to the inner diameter of the bearing, which determines the size of the shaft that can be accommodated. Standard UCP bearings are available in a range of bore diameters, such as 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, and larger. The specific bore diameter required for your application will depend on the size of the shaft you are working with.
- Overall Length: The overall length of a UCP bearing refers to the distance between the outermost points of the bearing’s housing. It includes the length of the bearing itself and any additional extensions or flanges that may be present. The overall length can vary depending on the specific design and manufacturer, but it is typically standardized within certain size ranges.
- Width: The width of a UCP bearing refers to the measurement from one side of the bearing to the opposite side. It represents the thickness of the bearing’s housing. Similar to the overall length, the width can vary depending on the specific design and manufacturer, but it is often standardized within certain size ranges.
- Mounting Hole Spacing: UCP bearings have mounting holes on their base or flange, which are used to secure the bearing to a mounting surface. The mounting hole spacing refers to the distance between the centers of the mounting holes. This dimension is crucial for proper installation and compatibility with the corresponding mounting arrangement.
It’s important to note that the dimensions of UCP bearings can vary between manufacturers and series. Therefore, it is essential to consult the specific manufacturer’s documentation or product specifications to obtain accurate and detailed information about the dimensions of a particular UCP bearing model.
In summary, the dimensions of standard UCP bearings include the bore diameter, overall length, width, and mounting hole spacing. These dimensions can vary depending on the specific design and manufacturer. Refer to the manufacturer’s documentation for precise information on the dimensions of a particular UCP bearing model.


editor by CX 2024-04-16