Product Description
Product Describe
| Bearing Unit No. | Shaft Dia d | Dimensions(mm) | Bolt Used | Bearing No. | Housing No. | Housing Wt (kg) |
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| h | a | e | b | S2 | S1 | g | w | t | Z | Bi | n | (mm) | (in) | ||||||
| (in) | (mm) | ||||||||||||||||||
| UCP201-8 | 1/2 | 30.2 | 127 | 95 | 38 | 19 | 13 | 14 | 62 | 2 | 51 | 31 | 12.7 | M10 | 3/8 | UC201-8 | P203 | 0.33 | |
| UCP202-9 | 9/16 | UC202-9 | |||||||||||||||||
| UCP202-10 | 5/8 | UC202-10 | |||||||||||||||||
| UCP203-11 | 11/16 | UC203-11 | |||||||||||||||||
| UCP201 | 12 | UC201 | |||||||||||||||||
| UCP202 | 15 | UC202 | |||||||||||||||||
| UCP203 | 17 | UC203 | |||||||||||||||||
| UCP204-12 | 3/4 | 33.3 | 127 | 95 | 38 | 19 | 13 | 14 | 65 | 2 | 51 | 31 | 12.7 | M10 | 3/8 | UC204-12 | P204 | 0.46 | |
| UCP204 | 20 | UC204 | |||||||||||||||||
| UCP205-13 | 13/16 | 25 | 36.5 | 140 | 105 | 38 | 19 | 13 | 15 | 71 | 2 | 57 | 34.1 | 14.3 | M10 | 3/8 | UC205-13 | P205 | 0.60 |
| UCP205-14 | 7/8 | UC205-14 | |||||||||||||||||
| UCP205-15 | 15/16 | UC205-15 | |||||||||||||||||
| UCP205-16 | 1 | UC205-16 | |||||||||||||||||
| UCP205 | UC205 | ||||||||||||||||||
| UCP206-17 | 1-1/16 | 30 | 42.9 | 165 | 121 | 48 | 21 | 17 | 17 | 83 | 2 | 62 | 38.1 | 15.9 | M14 | 1/2 | UC206-17 | P206 | 0.97 |
| UCP206-18 | 1-1/8 | UC206-18 | |||||||||||||||||
| UCP206-19 | 1-3/16 | UC206-19 | |||||||||||||||||
| UCP206-20 | 1-1/4 | UC206-20 | |||||||||||||||||
| UCP206 | UC206 | ||||||||||||||||||
| UCP207-20 | 1-1/4 | 35 | 47.6 | 167 | 127 | 48 | 21 | 17 | 18 | 93 | 3 | 72 | 42.9 | 17.5 | M14 | 1/2 | UC207-20 | P207 | 1.00 |
| UCP207-21 | 1-5/16 | UC207-21 | |||||||||||||||||
| UCP207-22 | 1-3/8 | UC207-22 | |||||||||||||||||
| UCP207-23 | 1-7/16 | UC207-23 | |||||||||||||||||
| UCP207 | UC207 | ||||||||||||||||||
| UCP208-24 | 1-1/2 | 40 | 49.2 | 184 | 137 | 54 | 21 | 17 | 18 | 98 | 3 | 82 | 49.2 | 19.0 | M14 | 1/2 | UC208-24 | P208 | 1.30 |
| UCP208-25 | 1-9/16 | UC208-25 | |||||||||||||||||
| UCP208 | UC208 | ||||||||||||||||||
| UCP209-26 | 1-5/8 | 45 | 54 | 190 | 146 | 54 | 21 | 17 | 20 | 106 | 3 | 82 | 49.2 | 19.0 | M14 | 1/2 | UC209-26 | P209 | 1.40 |
| UCP209-27 | 1-11/16 | UC209-27 | |||||||||||||||||
| UCP209-28 | 1-3/4 | UC209-28 | |||||||||||||||||
| UCP209 | UC209 | ||||||||||||||||||
| UCP210-29 | 1-13/16 | 50 | 57.2 | 206 | 159 | 60 | 25 | 20 | 21 | 114 | 3 | 87 | 51.6 | 19.0 | M16 | 5/8 | UC210-29 | P210 | 1.83 |
| UCP210-30 | 1-7/8 | UC210-30 | |||||||||||||||||
| UCP210-31 | 1-15/16 | UC210-31 | |||||||||||||||||
| UCP210-32 | 2 | UC210-32 | |||||||||||||||||
| UCP210 | UC210 | ||||||||||||||||||
| UCP211-32 | 2 | 55 | 63.5 | 219 | 171 | 60 | 25 | 20 | 23 | 126 | 4 | 92 | 55.6 | 22.2 | M16 | 5/8 | UC211-32 | P211 | 2.4 |
| UCP211-33 | 2-1/16 | UC211-33 | |||||||||||||||||
| UCP211-34 | 2-1/8 | UC211-34 | |||||||||||||||||
| UCP211-35 | 2-3/16 | UC211-35 | |||||||||||||||||
| UCP211 | UC211 | ||||||||||||||||||
| UCP212-36 | 2-1/4 | 60 | 69.8 | 241 | 184 | 70 | 25 | 20 | 25 | 138 | 4 | 102 | 65.1 | 25.4 | M16 | 5/8 | UC212-36 | P212 | 2.8 |
| UCP212-37 | 2-5/16 | UC212-37 | |||||||||||||||||
| UCP212-38 | 2-3/8 | UC212-38 | |||||||||||||||||
| UCP212-39 | 2-7/16 | UC212-39 | |||||||||||||||||
| UCP212 | UC212 | ||||||||||||||||||
| UCP213-40 | 2-1/2 | 65 | 76.2 | 265 | 203 | 70 | 29 | 25 | 27 | 151 | 4 | 107 | 65.1 | 25.4 | M20 | 3/4 | UC213-40 | P213 | 3.5 |
| UCP213-41 | 2-9/16 | UC213-41 | |||||||||||||||||
| UCP213 | UC213 | ||||||||||||||||||
| UCP214-42 | 2-5/8 | 70 | 79.4 | 266 | 210 | 72 | 31 | 25 | 27 | 157 | 74.6 | 30.2 | M20 | 3/4 | UC214-42 | P214 | 4.45 | ||
| UCP214-43 | 2-11/16 | UC214-43 | |||||||||||||||||
| UCP214-44 | 2-3/4 | UC214-44 | |||||||||||||||||
| UCP214 | UC214 | ||||||||||||||||||
| UCP215-45 | 2-13/16 | 75 | 82.6 | 275 | 217 | 74 | 31 | 25 | 28 | 163 | 77.8 | 33.3 | M20 | 3/4 | UC215-45 | P215 | 4.9 | ||
| UCP215-46 | 2-7/8 | UC215-46 | |||||||||||||||||
| UCP215-47 | 2-15/16 | UC215-47 | |||||||||||||||||
| UCP215-48 | 3 | UC215-48 | |||||||||||||||||
| UCP215 | UC215 | ||||||||||||||||||
| UCP216-50 | 3-1/8 | 80 | 88.9 | 292 | 232 | 78 | 31 | 25 | 30 | 175 | 82.6 | 33.3 | M20 | 3/4 | UC216-50 | P216 | 5.8 | ||
| UCP216 | UC216 | ||||||||||||||||||
| UCP217-52 | 3-1/4 | 85 | 95.2 | 310 | 247 | 83 | 31 | 25 | 32 | 187 | 85.7 | 34.1 | M20 | 3/4 | UC217-52 | P217 | 6.9 | ||
| UCP217 | UC217 | ||||||||||||||||||
| UCP218-56 | 3-1/2 | 90 | 101.6 | 327 | 262 | 88 | 33 | 27 | 33 | 200 | 96.0 | 39.7 | M22 | 7/8 | UC218-56 | P218 | 8.10 | ||
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| Rows Number: | Single |
|---|---|
| Material: | Bearing Steel |
| OEM: | Acceptable |
| Quality: | P0, P6, Z1V1, Z2V2 |
| Certificate: | ISO9001 |
| Bearing Production History: | 17year |
| Samples: |
US$ 30/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

What is the temperature tolerance of UCP bearings?
The temperature tolerance of UCP bearings, also known as pillow block bearings, can vary depending on several factors, including the bearing materials, lubrication, and seal design. Here’s a detailed explanation of the temperature tolerance of UCP bearings:
1. Bearing Materials: The materials used in the construction of UCP bearings play a significant role in determining their temperature tolerance. Common materials for UCP bearings include chrome steel, stainless steel, and cast iron. Chrome steel bearings typically have a higher temperature tolerance compared to stainless steel or cast iron bearings. Specialty materials such as heat-resistant alloys or ceramics may be used for UCP bearings intended for extremely high-temperature applications.
2. Lubrication: Proper lubrication is crucial for maintaining the temperature tolerance of UCP bearings. Lubricants help reduce friction, dissipate heat, and protect bearing surfaces. The choice of lubricant depends on the operating temperature range. Standard greases and oils are suitable for moderate temperature applications. For higher temperatures, synthetic lubricants or specialty high-temperature greases may be recommended to ensure adequate lubrication and thermal stability.
3. Seal Design: The seal design of UCP bearings can affect their temperature tolerance. Seals help prevent contaminants from entering the bearing and retain the lubricant. Different seal materials and designs have varying temperature limits. Common seal materials include rubber, metal, or felt. High-temperature seals or shields may be used to enhance the temperature tolerance of UCP bearings in demanding applications.
Generally, UCP bearings can handle a wide range of temperatures. Standard UCP bearings typically have a temperature range of -20°C to +120°C (-4°F to +248°F). However, it’s important to note that these temperature limits are approximate and can vary depending on the specific bearing design, materials, lubrication, and operating conditions.
For applications with higher temperature requirements, specialized high-temperature UCP bearings are available. These bearings are designed to withstand elevated temperatures and may have temperature limits ranging from 150°C to 350°C (302°F to 662°F) or even higher, depending on the specific design and materials used.
It’s crucial to consult the manufacturer’s documentation, specifications, or technical support to determine the exact temperature tolerance of a specific UCP bearing model. Proper selection and application of UCP bearings within their temperature limits help ensure reliable performance, prevent premature wear or failure, and contribute to the longevity of the bearing and the machinery it supports.

How to choose the right UCP bearing for my machinery?
Choosing the right UCP bearing, also known as a pillow block bearing, for your machinery is crucial to ensure optimal performance, reliability, and longevity. Here’s a detailed explanation of the factors to consider when selecting a UCP bearing:
- Load Requirements: Evaluate the load requirements of your machinery, including the magnitude and direction of the loads. Consider factors such as radial loads, axial loads, and moment loads. Ensure that the UCP bearing you choose has a load capacity that is suitable for the anticipated loads in your application.
- Shaft Diameter: Determine the shaft diameter of your machinery and select a UCP bearing with a corresponding bore size. The bore size of the UCP bearing should match the shaft diameter to ensure proper fit and alignment. It’s important to measure the shaft accurately and consider any potential expansion or misalignment during operation.
- Operating Conditions: Assess the operating conditions of your machinery, including factors such as speed, temperature, and environmental conditions. Choose a UCP bearing that is designed to withstand the anticipated operating conditions. Consider factors like maximum speed rating, temperature range, lubrication requirements, and resistance to contaminants or moisture.
- Sealing and Protection: Depending on the application requirements, consider whether additional sealing or protection is necessary for the UCP bearing. Seals or shields can help prevent the ingress of dirt, dust, or contaminants, prolonging the bearing’s life and reducing maintenance needs. Choose a UCP bearing with appropriate sealing options, such as rubber seals or metal shields, based on the specific environmental conditions.
- Alignment Capability: Evaluate the alignment capabilities of the UCP bearing. Some UCP bearings have self-aligning features that can compensate for minor shaft misalignment. If your machinery is prone to misalignment or has flexible shafts, consider choosing a UCP bearing with self-aligning properties to minimize excessive loads and premature wear.
- Manufacturer and Quality: Select UCP bearings from reputable manufacturers known for their quality and reliability. Consider manufacturers with a strong track record in bearing production and a wide range of product offerings. Research customer reviews, consult with industry experts, and consider the manufacturer’s reputation for producing durable and high-performance UCP bearings.
By considering these factors and choosing a UCP bearing that aligns with your machinery’s specific requirements, you can ensure optimal performance and minimize the risk of premature failures or downtime. It’s recommended to consult with bearing specialists, engineers, or the manufacturer’s technical support team for additional guidance and assistance in selecting the most suitable UCP bearing for your machinery.
Remember that the specific requirements for UCP bearings may vary depending on the application, industry, and machinery specifications. Always refer to the manufacturer’s documentation, specifications, and guidelines for the most accurate and detailed information.

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 2024-02-28