Product Description
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| Type | Dimensions(mm) | Bolt Dimensions | Bearing Type | House Type | With Shield | With Shield | t | Zs | Wc | Zc | Weight (With House) | Weight(With Shield) | |||||||||||
| d | H | L | J | A | N | N1 | H1 | W | L1 | B | S | (Kg) | (Kg) | ||||||||||
| UCP320 | 100 | 140 | 490 | 380 | 120 | 36 | 50 | 50 | 275 | 130 | 108 | 42 | M30 | UC320 | P320 | – | C(CM)-UCP320 | 5 | 283 | 190 | 35 | 46 | – |
| UCP318 | 90 | 118 | 430 | 330 | 110 | 33 | 45 | 45 | 235 | 120 | 96 | 40 | M27 | UC318 | P318 | – | C(CM)-UCP318 | 5 | 246 | 170 | 24 | 30 | – |
| UCP319 | 95 | 125 | 470 | 360 | 120 | 36 | 50 | 45 | 250 | 125 | 103 | 41 | M30 | UC319 | P319 | – | C(CM)-UCP319 | 5 | 258 | 180 | 29 | 38 | – |
| UCP317 | 85 | 112 | 420 | 320 | 110 | 33 | 45 | 40 | 220 | 120 | 96 | 40 | M27 | UC317 | P317 | – | C(CM)-UCP317 | 5 | 235 | 170 | 20 | 27 | – |
| UCP316 | 80 | 106 | 400 | 300 | 110 | 27 | 40 | 40 | 210 | 110 | 86 | 34 | M22 | UC316 | P316 | – | C(CM)-UCP316 | 4 | 221 | 155 | 18 | 23 | – |
| UCP315 | 75 | 100 | 380 | 290 | 100 | 27 | 40 | 35 | 198 | 110 | 82 | 32 | M22 | UC315 | P315 | – | C(CM)-UCP315 | 4 | 210 | 150 | 14 | 20 | – |
| UCP314 | 70 | 95 | 360 | 280 | 90 | 27 | 40 | 35 | 187 | 105 | 78 | 33 | M22 | UC314 | P314 | – | C(CM)-UCP314 | 4 | 200 | 140 | 12 | 16 | – |
| UCP313 | 65 | 90 | 340 | 260 | 90 | 25 | 38 | 33 | 176 | 105 | 75 | 30 | M20 | UC313 | P313 | – | C(CM)-UCP313 | 4 | 190 | 140 | 10 | 15 | – |
| UCP312 | 60 | 85 | 330 | 250 | 85 | 25 | 38 | 32 | 165 | 95 | 71 | 26 | M20 | UC312 | P312 | – | C(CM)-UCP312 | 4 | 179 | 135 | 9.4 | 12 | – |
| UCP311 | 55 | 80 | 310 | 236 | 80 | 20 | 38 | 30 | 154 | 85 | 66 | 25 | M16 | UC311 | P311 | – | C(CM)-UCP311 | 4 | 166 | 125 | 7.4 | 9.7 | – |
| UCP310 | 50 | 75 | 275 | 212 | 75 | 20 | 35 | 27 | 143 | 75 | 61 | 22 | M16 | UC310 | P310 | – | C(CM)-UCP310 | 3 | 156 | 120 | 5.8 | 8.4 | – |
| UCP309 | 45 | 67 | 245 | 190 | 67 | 20 | 30 | 24 | 129 | 65 | 57 | 22 | M16 | UC309 | P309 | – | C(CM)-UCP309 | 3 | 140 | 110 | 4.1 | 6.1 | – |
| UCP308 | 40 | 60 | 220 | 170 | 60 | 17 | 27 | 22 | 116 | 60 | 52 | 19 | M14 | UC308 | P308 | – | C(CM)-UCP308 | 3 | 125 | 105 | 3 | 4.5 | – |
| UCP307 | 35 | 55 | 210 | 160 | 56 | 17 | 25 | 20 | 106 | 60 | 48 | 19 | M14 | UC307 | P307 | – | C(CM)-UCP307 | 3 | 115 | 95 | 2.8 | 3.5 | – |
| UCP305 | 25 | 45 | 175 | 132 | 45 | 17 | 20 | 15 | 85 | 54 | 38 | 15 | M14 | UC305 | P305 | – | C(CM)-UCP305 | 2 | 91 | 80 | 1.4 | 2 | 2 |
| UCP306 | 30 | 50 | 180 | 140 | 50 | 17 | 20 | 18 | 95 | 54 | 43 | 17 | M14 | UC306 | P306 | – | C(CM)-UCP306 | 2 | 105 | 85 | 1.8 | 2.7 | – |
| UCP218 | 90 | 101.6 | 327 | 262 | 88 | 27 | 34 | 33 | 200 | 90 | 96 | 39.7 | M24 | UC218 | P218 | – | C(CM)-UCP218 | 5 | 204 | 165 | 13 | 18 | – |
| UCP216 | 80 | 88.9 | 292 | 232 | 78 | 23 | 28 | 30 | 174 | 85 | 82.6 | 33.3 | M20 | UC216 | P216 | – | C(CM)-UCP216 | 4 | 181 | 145 | 9 | 13 | – |
| UCP217 | 85 | 95.2 | 310 | 247 | 83 | 23 | 28 | 32 | 187 | 85 | 85.7 | 34.1 | M20 | UC217 | P217 | – | C(CM)-UCP217 | 5 | 191 | 155 | 11 | 15 | – |
| UCP215 | 75 | 82.6 | 274 | 217 | 74 | 23 | 28 | 28 | 162 | 80 | 77.8 | 33.3 | M20 | UC215 | P215 | – | C(CM)-UCP215 | 4 | 168 | 135 | 7.4 | 11 | – |
| UCP213 | 65 | 76.2 | 265 | 203 | 70 | 23 | 28 | 27 | 150 | 77 | 65.1 | 25.4 | M20 | UC213 | P213 | S(SM)-UCP213 | C(CM)-UCP213 | 4 | 89 | 155 | 120 | 5.9 | 6.3 |
| UCP214 | 70 | 79.4 | 266 | 210 | 72 | 23 | 28 | 27 | 157 | 77 | 74.6 | 30.2 | M20 | UC214 | P214 | – | C(CM)-UCP214 | 4 | 162 | 135 | 6.6 | 9.3 | – |
| UCP212 | 60 | 69.9 | 241 | 186 | 70 | 18 | 23 | 25 | 138 | 70 | 65.1 | 25.4 | M16 | UC212 | P212 | S(SM)-UCP212 | C(CM)-UCP212 | 4 | 89 | 143 | 115 | 4.6 | 5 |
| UCP210 | 50 | 57.2 | 206 | 159 | 60 | 18 | 23 | 22 | 114 | 65 | 51.6 | 19 | M16 | UC210 | P210 | S(SM)-UCP210 | C(CM)-UCP210 | 3 | 74.5 | 119 | 100 | 2.6 | 2.8 |
| UCP211 | 55 | 63.5 | 219 | 172 | 60 | 18 | 23 | 22 | 125 | 65 | 55.6 | 22.2 | M16 | UC211 | P211 | S(SM)-UCP211 | C(CM)-UCP211 | 4 | 76 | 130 | 100 | 3.3 | 3.6 |
| UCP209 | 45 | 54 | 190 | 146 | 54 | 14 | 21 | 20 | 106 | 60 | 49.2 | 19 | M12 | UC209 | P209 | S(SM)-UCP209 | C(CM)-UCP209 | 3 | 69 | 113 | 95 | 2.2 | 2.4 |
| UCP205 | 25 | 36.5 | 140 | 105 | 38 | 12 | 19 | 16 | 71 | 42 | 34.1 | 14.3 | M10 | UC205 | P205 | S(SM)-UCP205 | C(CM)-UCP205 | 2 | 48 | 76 | 70 | 0.8 | 0.9 |
| UCP206 | 30 | 42.9 | 165 | 121 | 48 | 14 | 21 | 18 | 84 | 54 | 38.1 | 15.9 | M12 | UC206 | P206 | S(SM)-UCP206 | C(CM)-UCP206 | 2 | 53 | 88 | 75 | 1.3 | 1.4 |
| UCP207 | 35 | 47.6 | 167 | 126 | 48 | 14 | 21 | 19 | 93 | 54 | 42.9 | 17.5 | M12 | UC207 | P207 | S(SM)-UCP207 | C(CM)-UCP207 | 3 | 59.5 | 99 | 80 | 1.6 | 1.7 |
| UCP208 | 40 | 49.2 | 184 | 136 | 54 | 14 | 21 | 19 | 98 | 54 | 49.2 | 19 | M12 | UC208 | P208 | S(SM)-UCP208 | C(CM)-UCP208 | 3 | 69 | 105 | 90 | 1.9 | 2.2 |
| UCP204 | 20 | 33.3 | 127 | 96 | 38 | 12 | 16 | 14 | 65 | 42 | 31 | 12.7 | M10 | UC204 | P204 | S(SM)-UCP204 | C(CM)-UCP204 | 2 | 44.5 | 70 | 62 | 0.7 | 0.7 |
Pillow Block Bearings Widely used in various industries, our bearings meet the requirements of your project!
1.FREE SAMPLES:
contact us by email or trade manager, we will send the free sampls according to your request.
2. World Class Bearing:We provide our customers with all type of indigenous bearing with world class quality.
3. OEM or Non Stand Bearings: Any requirement for Non standard bearings is Easily Fulfilled by us due to
its vast knowledge and links in the industry.
4. Genuine products With Excellent Quality: Company has always proved the
100% quality products it provides with genuine intent.
5.After Sales Service and technical Assistance: Company provides after sales service and technical assistance
as per the customers requirement and needs.
6. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
7. Cost Saving: We provide long-life, shock-resistant and high reliability bearings with
excellent quality and better performance. Resulting in increased cost saving.
8.Attending customer queries promptly: We believe that if customer are satisfied then it proves our worth well. Customers are always given quick support.
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| Rows Number: | Multiple |
|---|---|
| Raceway: | Crowned Raceway |
| Material: | Bearing Steel |
| Bearing Block Model: | P |
| Payment Term: | 30% T/T Advanced, The Balanced Before The Shipment |
| Delivery Time: | 25 Days After Seller Receiving Deposit |
| Customization: |
Available
| Customized Request |
|---|

How do UCP bearings handle misalignment?
UCP bearings, also known as pillow block bearings, are designed to handle certain degrees of misalignment between the shaft and the bearing housing. Here’s a detailed explanation of how UCP bearings handle misalignment:
1. Self-Aligning Capability: UCP bearings are often designed with self-aligning features that allow them to accommodate misalignment. This means that the bearing has some flexibility to adjust and adapt to slight angular errors or misalignments between the shaft and the housing. The self-aligning capability helps prevent excessive stress and uneven loading on the bearing, which can lead to premature wear or failure.
2. Spherical Outer Rings: Many UCP bearings incorporate spherical outer rings, which can tilt or swivel within the bearing housing. This spherical design allows the bearing to align itself with the misaligned shaft, compensating for angular errors. The spherical outer ring can rotate and pivot to some extent, reducing the axial and radial forces caused by misalignment and ensuring a more uniform distribution of loads on the bearing.
3. Ball-and-Socket Configuration: Some UCP bearings utilize a ball-and-socket configuration, where the inner ring of the bearing has a convex shape that fits into a corresponding concave shape in the housing. This configuration provides additional flexibility and misalignment compensation. The ball-and-socket design allows the bearing to accommodate misalignment in multiple directions, providing improved performance in applications where misalignment is prevalent.
4. Flexible Mounting Options: UCP bearings offer flexible mounting options that facilitate misalignment compensation. The bearing housing typically has multiple holes or slots for attachment to the equipment or structure. This allows for slight adjustments and repositioning of the bearing during installation, helping to correct minor misalignment between the shaft and the housing.
While UCP bearings can handle certain degrees of misalignment, it’s important to note that excessive or prolonged misalignment can still negatively impact bearing performance and lifespan. The self-aligning features of UCP bearings are intended to compensate for minor misalignments that can occur during operation, but they are not a substitute for proper alignment during installation.
Proper installation and alignment of UCP bearings are essential to maximize their misalignment-handling capabilities. It’s recommended to follow the manufacturer’s guidelines for alignment procedures, including checking and adjusting the shaft and housing alignment using appropriate measurement tools. Correct alignment helps minimize stress, reduce friction, and promote even load distribution, contributing to improved bearing performance and longevity.
If significant misalignment is anticipated in an application, it may be necessary to consider specialized bearing designs, such as spherical roller bearings or self-aligning ball bearings, which are specifically engineered to handle higher degrees of misalignment.

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.

Who are the leading manufacturers of UCP bearings?
Several leading manufacturers specialize in producing high-quality UCP bearings, also known as pillow block bearings. These manufacturers have a strong reputation for their expertise in bearing manufacturing and offer a wide range of UCP bearing options. Here’s a detailed explanation of some of the leading manufacturers of UCP bearings:
- SKF: SKF is a renowned global manufacturer of bearings and related products. They offer a comprehensive range of UCP bearings that are known for their reliability, performance, and durability. SKF’s UCP bearings are designed to meet various industrial requirements and are available in different sizes and configurations.
- NSK: NSK is a well-established manufacturer of bearings, including UCP bearings. They have a strong presence in the market and are known for their high-quality and precision-engineered products. NSK’s UCP bearings are designed to provide excellent performance in diverse applications and are available in various sizes and materials.
- NTN: NTN is a trusted manufacturer of bearings and precision products. They offer a wide range of UCP bearings that are known for their quality, reliability, and long service life. NTN’s UCP bearings are designed to meet industry standards and are available in different sizes and configurations to suit various applications.
- Timken: Timken is a reputable manufacturer of bearings and power transmission products. They manufacture UCP bearings that are known for their robustness, precision, and exceptional performance. Timken’s UCP bearings are designed to withstand heavy loads and harsh operating conditions, making them suitable for a wide range of industrial applications.
- FAG: FAG, part of the Schaeffler Group, is a leading manufacturer of bearings and related products. They offer a diverse range of UCP bearings that are known for their high-quality construction and superior performance. FAG’s UCP bearings are designed to meet demanding industrial requirements and are available in various sizes and designs.
These are just a few examples of leading manufacturers of UCP bearings. Other reputable manufacturers in the industry include Koyo, Nachi, RHP, and FYH, among others. It’s worth noting that the availability and popularity of specific manufacturers may vary depending on your location and industry requirements.
When selecting a UCP bearing, it’s important to consider factors such as product quality, reliability, technical support, and availability. Consulting with local distributors, reviewing manufacturer catalogs, and considering customer reviews can help you make an informed decision about the most suitable manufacturer for your specific needs.
In summary, leading manufacturers of UCP bearings include SKF, NSK, NTN, Timken, and FAG, among others. These manufacturers are known for their high-quality products and extensive expertise in bearing manufacturing.


editor by CX 2024-05-03