Product Description
Product attributes
| Product Name | Pillow Block Ball Bearing |
| Brand Name | SDML |
| Material | Gcr15,Stainless steel,Ceramic |
| Greese | SRL ,PS2, Alvania R12 ,etc |
| Package | Box,Carton,Wooden Box,Plastic Tube or Per buyers requirement . |
| MOQ | Depending on Model |
| Sample | Available |
| Payment Term | TT or L/C |
| Manufacturer | Yes |
| Support Factory Inspection | Support |
| After-Sale Service | Yes |
| Production Capacity | 1000000/Month |
Product Description
Outer spherical bearings and bearing seats include:
UC200 series, UC300 series, SB200 series, SA200 series, UK200 series, various bearing seats
The types of outer spherical ball bearings include:
UC200 series of outer spherical bearings with top thread
Diamond seat UCFL200 series
UC300 series of outer spherical bearings with top thread
Raised circular seat UCFC200 series
SB200 series of spherical bearings with top thread ball
Slider UCT200 series
External spherical bearing with eccentric sleeve SA200 series
High center vertical seat UCPH200 series
Conical hole outer spherical ball bearing UK200 series
Circular seat UCC200 series
Vertical seat UCP200 series
Narrow vertical seat UCPA200 series
Square seat UCF200 series
Company Profile
About US
ZheJiang Minglun Group is a global bearing seller, bearing manufacturer and bearing research and development center. The company was founded in the 1980s.It is 1 of the largest bearing manufacturers and exporters in China. Professional design and production of high-quality and high-precision deep groove ball bearings and pillow seat bearings. After more than 30 years of hard work and entrepreneurship, Minglun has developed into a high-tech enterprise that integrates bearing research and development, production, and sales. With over 100 employees, the monthly production can reach 1 million sets.The company’s product brands are widely used in over 50 countries and regions.
Product Parameters
| Model NO. | Dimensions (mm) | Model NO. | Dimensions (mm) | Model NO. | Dimensions (mm) | Model NO. | Dimensions (mm) | ||||
| Length Height | Length | Height | Height | Width | Length | Height | |||||
| UCT201 | 94 | 89 | UCFC201 | 55.1 | 100 | UK205 | 35 | 25 | UKP205 | 140 | 71 |
| UCT202 | 94 | 89 | UCFC202 | 55.1 | 100 | UK206 | 38 | 30 | UKP206 | 165 | 83 |
| UCT203 | 94 | 89 | UCFC203 | 55. 1 | 100 | UK207 | 43 | 35 | UKP207 | 167 | 93 |
| UCT204 | 94 | 89 | UCFC204 | 55.1 | 100 | UK208 | 46 | 40 | UKP208 | 184 | 98 |
| UCT205 | 97 | 89 | UCFC205 | 63.6 | 115 | UK209 | 50 | 45 | UKP209 | 190 | 106 |
| UCT206 | 113 | 102 | UCFC206 | 70. 7 | 125 | UK210 | 55 | 50 | UKP210 | 206 | 114 |
| UCT207 | 129 | 102 | UCFC207 | 77.8 | 135 | UK211 | 59 | 55 | UKP211 | 219 | 126 |
| UCT208 | 144 | 114 | UCFC208 | 84. 8 | 145 | UK212 | 62 | 60 | UKP212 | 241 | 138 |
| UCT209 | 144 | 117 | UCFC209 | 93.3 | -160 | UK213 | 65 | 65 | UKP213 | 265 | 151 |
| UCT210 | 149 | 117 | UCFC210 | 97.6 | 165 | UK215 | 73 | 75 | UKP215 | 275 | 163 |
| UCT211 | 171 | 146 | UCFC211 | 106.1 | 185 | UK216 | 78 | 80 | UKP216 | 292 | 175 |
| UCT212 | 194 | 146 | UCFC212 | 113.1 | 1 95 | UK217 | 82 | 85 | UKP217 | 310 | 187 |
| UCT213 | 224 | 167 | UCFC213 | 120.2 | 205 | UK218 | 86 | 90 | UKP305 | 175 | 85 |
| UCT214 | 224 | 167 | UCFC214 | 125. 1 | 215 | UK305 | 35 | 25 | UKP306 | 180 | 95 |
| UCT215 | 232 | 167 | UCFC215 | 130.1 | 220 | UK306 | 38 | 30 | UKP307 | 210 | 106 |
| UCT216 | 235 | 184 | UCFC216 | 141 .4 | 240 | UK307 | 43 | 35 | UKP308 | 220 | 116 |
| UCT217 | 260 | 198 | UCFC217 | 147.1 | 250 | UK308 | 46 | 40 | UKP309 | 245 | 129 |
| UCT305 | 122 | 89 | UCFC218 | 155.5 | 265 | UK309 | 50 | 45 | UKP310 | 275 | 143 |
| UCT306 | 137 | 100 | UK310 | 55 | 50 | UKP311 | 310 | 154 | |||
| UCT307 | 150 | 111 | UCPA201 | 76 | 62 | UK311 | 59 | 55 | UKP312 | 330 | 165 |
| UCT308 | 162 | 124 | UCPA202 | 76 | 62 | UK312 | 62 | 60 | UKP313 | 340 | 176 |
| UCT309 | 178 | 138 | UCPA203 | 76 | 62 | UK313 | 65 | 65 | UKP315 | 380 | 198 |
| UCT310 | 191 | 151 | UCPA204 | 76 | 62 | UK315 | 73 | 75 | UKP316 | 400 | 210 |
| UCT311 | 207 | 163 | UCPA205 | 84 | 72 | UK316 | 78 | 80 | UKP317 | 420 | 220 |
| UCT312 | 220 | 178 | UCPA206 | 94 | 84 | UK317 | 82 | 85 | UKP318 | 430 | 235 |
| UCT313 | 238 | 190 | UCPA207 | 110 | 95 | UK318 | 86 | 90 | UKP319 | 470 | 250 |
| UCT314 | 252 | 202 | UCPA208 | 116 | 100 | UK319 | 90 | 95 | UKP320 | 490 | 275 |
| UCT315 | 262 | 216 | UCPA209 | 120 | 108 | UK320 | 97 | 100 | |||
| UCT316 | 282 | 230 | UCPA210 | 130 | 116 | ||||||
| UCT317 | 298 | 240 | UCPA211 | 140 | 125 | ||||||
| UCT318 | 312 | 255 | UCPA212 | 150 | 138 | ||||||
| UCT319 | 322 | 270 | UCPA213 | 160 | 150 | ||||||
| UCT320 | 345 | 290 | |||||||||
| UCT322 | 385 | 320 | |||||||||
| UCT324 | 432 | 355 | |||||||||
| UCT326 | 465 | 385 | |||||||||
| UCT328 | 515 | 415 | |||||||||
Our Advantages
Research and Development
Since 2008, the company has established a research and development center equipped with multiple laboratories for precision measurement, mechanical testing, life testing, and physical and chemical testing to continuously improve skills, manufacturing standards, and product accuracy. Our workshop has installed a series of advanced CNC, grinding, and assembly equipment that utilize centralized filtration and cooling systems. We have developed these grinding, ultra precision, and fully automated integrated production lines together with production equipment suppliers and possess intellectual property rights. The product has a precision level of P5 or above, and a noise level of Z4, V4 or above. Some of our projects have exceeded the 30% accuracy reserve. Our products are widely used in local and global industries such as electric motors, automobiles, motorcycles, household appliances, textiles, electric tools, and water pump equipment.
Packaging & Shipping
Our packing
* Industrial pakage+outer carton+pallets
* sigle box+outer carton+pallets
* Tube package+middle box+outer carton+pallets
* According to your requirments
FAQ
Q:Are you bearing trader or manufacturer?
A:We are bearing manufacturer with export permission.
Q:What do you have certificate of factory?
A:We have passed certificate ofISO9002-2000/TS16949.Our products passed SGS test and made qualify report as concerned.
Q:Can you provide OEM service with us?
A:Yes, we have been providing both OEM and ODM services to our customers.
Q: How do you charge on the sample?
A:Our samples are free for you if we have it stocked.Butthe sample express cost will be charged at your ends.
Q:What’s your packaging mode of bearing?
A:Customizable packaging,There is no packaging demand, usually industrial packaging.We have packaging mode of plastic tube,packaging mode and individual box for your choose.
Q:How does your factory do regarding quality control?
A:The items we often test include accuracy testing, clearance, residual magnetism, rotational flexibility, appearance quality, etc.There are also rolling element accuracy (such as steel balls, rolling needles, various types of rollers), surface roughness (various parameters), contour surface shape error.
Q:What is your terms of payment?
A:We accept L/C,T/T ,Generally,
Our Service
High quality, good credit and excellent service are the tenet of our company. Customers’satisfaction is our lifeline, as well as our highest honor. We will do our best to meet your requirements, and will do better in the future.
Welcome to send enquiry if you need any bearing
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| Contact Angle: | 15° |
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| Separated: | Unseparated |
| Rows Number: | Single |
| Samples: |
US$ 30/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.

How to replace a UCP bearing?
Replacing a UCP bearing, also known as a pillow block bearing, requires careful handling and following specific steps to ensure a successful replacement. Here’s a detailed explanation of the process to replace a UCP bearing:
- Gather the necessary tools: Before starting the replacement, gather the tools you will need, including a wrench or socket set, a puller or press (if needed), cleaning materials, and the replacement UCP bearing.
- Prepare the work area: Ensure that the work area is clean and well-lit. If the machinery is still operational, shut it down and follow proper lockout/tagout procedures to prevent accidental startup during the replacement process.
- Remove any obstructions: If there are any covers, guards, or other components obstructing access to the UCP bearing, remove them carefully to expose the bearing housing.
- Loosen the locking mechanism: Use a wrench or socket set to loosen the locking mechanism that secures the UCP bearing in place. This could be a set screw, collar, or other locking device. Follow the manufacturer’s instructions to identify and release the locking mechanism.
- Remove the UCP bearing: Once the locking mechanism is loosened, the UCP bearing can be removed from the housing. Apply gentle force if necessary, but avoid excessive impacts or prying that may damage the bearing or the housing.
- Clean the housing: Thoroughly clean the housing to remove any dirt, debris, or old lubricant. Use appropriate cleaning materials and ensure that the housing is dry before installing the new UCP bearing.
- Inspect and prepare the replacement bearing: Before installing the new UCP bearing, inspect it for any signs of damage or defects. Ensure that the bore and outer surfaces are clean and free from any contaminants. If necessary, apply a suitable lubricant to the bearing per the manufacturer’s recommendations.
- Install the new UCP bearing: Carefully position the new UCP bearing into the housing, aligning the bore with the shaft. Apply even pressure to press the bearing into place, ensuring it is seated securely. Follow the manufacturer’s instructions for any specific installation requirements, such as tightening torque for the locking mechanism.
- Secure the locking mechanism: Once the new UCP bearing is installed, tighten the locking mechanism to secure it in place. Again, follow the manufacturer’s instructions for the specific tightening procedure and torque value.
- Reinstall any obstructions: Put back any covers, guards, or components that were removed earlier to restore the machinery to its original configuration.
- Test and verify: After the replacement is complete, test the machinery to ensure proper operation of the new UCP bearing. Monitor for any unusual noise, vibration, or other issues that may indicate incorrect installation or other problems.
It’s important to note that the specific steps for replacing a UCP bearing may vary depending on the machinery and the manufacturer’s recommendations. Always refer to the manufacturer’s documentation, maintenance manuals, or technical support for the most accurate and detailed instructions for your specific UCP bearing and machinery.
Additionally, if you are unsure or uncomfortable with performing the replacement yourself, it’s recommended to seek the assistance of a qualified technician or maintenance professional to ensure the proper installation and functioning of the UCP bearing.

How is a UCP bearing different from other types of bearings?
A UCP bearing, also known as a pillow block bearing, has distinct characteristics that set it apart from other types of bearings. While bearings serve the common purpose of facilitating motion and reducing friction, UCP bearings have specific design features that make them unique. Here’s a detailed explanation:
1. Pillow Block Design: One key difference is the design of the housing. UCP bearings have a pillow block design, which refers to the shape of the housing. The housing is typically a solid, one-piece structure shaped like a pillow or block, with a flat base and mounting holes. This design allows for easy installation and mounting on a support structure or machine.
2. Mounted Bearing: UCP bearings are mounted bearings, meaning they are preassembled units that combine a bearing unit with a housing. The bearing unit consists of a rolling element bearing, such as a ball bearing or a roller bearing, which enables smooth and low-friction motion. The housing provides support and protection for the bearing unit.
3. Support Structure: UCP bearings are commonly used in applications where a shaft needs to be supported and allowed to rotate or move linearly. The housing of a UCP bearing serves as a support structure for the bearing unit and provides a stable platform for the shaft to operate.
4. Easy Installation: UCP bearings are designed for easy installation. The housing’s flat base and pre-drilled mounting holes allow for straightforward attachment to a support structure or machine. This ease of installation simplifies the setup process and reduces downtime.
5. Application Versatility: UCP bearings are widely used in various applications across different industries. They are commonly found in conveyor systems, agricultural machinery, industrial equipment, HVAC systems, and more. The versatility of UCP bearings makes them suitable for a range of motion control and power transmission applications.
6. Specific Load Capacity: UCP bearings have specific load capacity ratings depending on the type and size of the bearing unit used within the UCP assembly. These bearings can support both radial and axial loads, allowing them to accommodate different load requirements in various applications.
7. Protection and Contamination Resistance: The housing of a UCP bearing provides protection to the bearing unit against contaminants, moisture, and other external elements. This helps extend the bearing’s service life and maintain its performance in challenging operating conditions.
8. Alignment Compensation: UCP bearings often have self-aligning capabilities. This means they can compensate for minor misalignments between the shaft and the housing. The ability to accommodate slight misalignments reduces stress and wear on the bearing, enhancing its reliability and longevity.
It’s important to note that UCP bearings are just one type of bearing available in the market. Other types, such as deep groove ball bearings, spherical roller bearings, cylindrical roller bearings, and tapered roller bearings, have their own unique designs and applications. The selection of the most suitable bearing type depends on factors such as the specific application requirements, load conditions, operating speeds, and environmental considerations.
In summary, UCP bearings, with their pillow block design, mounted bearing configuration, easy installation, versatility, load capacity, protection features, and alignment compensation capabilities, offer distinct advantages in motion control and power transmission applications.


editor by CX 2024-02-23