China factory Cast Iron Housing UCP Ucf UCT Ucfc UCFL Ucpa 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 220 Pillow Block Bearing Skfnsktimkeninakoyo wheel bearing

Product Description

Product Description

Main Dimensions & Performance Dat



Pillow block bearing unit is a bearing unit that combines a rolling bearing with a bearing housing. Most pillow block bearings are made of spherical outer diameter and are installed with pillow block which have spherical inner holes. They have various structural forms, good versatility and interchangeability.

Pillow block bearings, flange bearing units, bearing blocks, and take-up bearings units all consist of a housing with a bearing mounted in it they are available in a variety of materials, mounting configurations and various bearing features each mounted unit, including a mounted uc,sa,sb er series insert bearings.



Uses of Pillow Block Bearing

These units are extremely versatile and can be used in a variety of applications. They range from single bearing shafts to multiple bearing units.

1)Belt drive connecting motor and pump

2)A long shaft connecting the motor and the industrial gearbox

3)Conveyor roller

4)Rolling machine

5)Ventilation system

6)Paper machine

Detailed Photos

Pillow block bearing specifications: 

Unit No Shaft Dia Dimensions (mm) Weight(kg)
    D B S L J H H1 A N N1
UCP201 12 40 27.4 11.5 125 96 30.2 57 36 13 19 0.6
UCP202 15 40 27.4 11.5 125 96 30.2 57 36 13 19 0.7
UCP203 17 40 27.4 11.5 125 96 30.2 57 36 13 19 0.7
UCP204 20 47 31 12.7 127 95 33.3 65 38 13 19 0.75
UCP205 25 52 34.1 14.3 140 105 36.5 71 38 13 19 0.8
UCP206 30 62 38.1 15.9 165 121 42.9 83 48 17 23 1.3
UCP207 35 72 42.9 17.5 167 127 46.7 93 48 17 23 1.6
UCP208 40 80 42.9 19 184 137 49.2 100 54 17 23 1.9
UCP209 45 85 49.2 19 190 146 54 106 54 17 23 2.2
UCP210 50 90 51.6 19 206 159 57.2 114 60 20 26 2.6
UCP211 55 100 55.6 22.2 219 171 63.5 126 60 20 26 3.3
UCP212 60 110 65.1 25.4 241 184 69.8 138 70 20 26 4.6
UCP213 65 120 65.1 25.4 265 203 76.2 151 70 25 31 5.9
UCP214 70 125 74.6 30.2 266 210 79.4 157 72 25 31 6.6
UCP215 75 130 77.8 33.3 275 217 82.6 163 74 25 31 7.4
UCP216 80 140 82.6 33.3 292 232 88.9 175 78 25 31 9.0
UCP217 85 150 85.7 34.1 310 247 95.2 187 83 25 31 11
UCP218 90 160 96 39.7 327 262 101.6 200 88 27 33 13
UCP220 100 180 108 42 380 308 115 225 95 30 38 16
UCP305 25 62 38 15 175 132 45 85 45 17 20 1.4
UCP306 30 72 43 17 180 140 50 95 50 17 20 1.8
UCP307 35 80 48 19 210 160 56 106 56 17 25 2.8
UCP308 40 90 52 19 220 170 60 116 60 17 27 3.0
UCP309 45 100 57 22 245 190 67 129 67 20 30 4.1
UCP310 50 110 61 22 275 212 75 143 75 20 35 5.8
UCP311 55 120 66 25 310 236 80 154 80 20 38 7.4
UCP312 60 130 71 26 330 250 85 165 85 25 38 9.4
UCP313 65 140 75 30 340 260 90 176 90 25 38 10.0
UCP314 70 150 78 33 360 280 95 187 90 27 40 12.0
UCP315 75 160 82 33 380 290 100 198 100 27 40 14.0
UCP316 80 170 86 34 400 300 106 210 110 27 40 18.0
UCP317 85 180 96 40 420 320 112 220 110 33 45 20.0
UCP318 90 190 96 40 430 330 118 235 110 33 45 24.0
UCP319 95 200 103 41 470 360 125 250 120 36 50 29.0
UCP320 100 215 108 42 490 380 140 275 120 36 50 35.0
UCP321 105 225 112 44 490 380 140 280 120 36 50 35.0
UCP322 110 2240 117 46 520 400 150 300 140 40 55 45.0
UCP324 120 260 126 51 570 450 160 320 140 40 55 55.0
UCP326 130 280 135 54 600 480 180 355 140 40 55 72.0
UCP328 140 300 145 59 620 500 200 390 140 40 55 89.0

Packaging & Shipping


Please contact us for more pictures of different packing.

Universal Packing

Without any logo on bearings or packing.

JDZ Packing

With our brand JDZ on bearings and packing.

Customized Packing

Depends on buyer’s requirements.

Original Brand Packing

Bearing and packing are both original. Please contact us for pictures.


100% Quality inspection to ensure the bearings are with good quality before shipping. 

Company Profile



ZheJiang CZPT Precision Bearing Co.,Ltd. was founded by ZheJiang Defa Bearing Co.,Ltd, factory is located in ZheJiang province, China. 
We are a bearing manufacturer integrating the research, development and sales of bearings, with a floor area of 18,000 square meters and a plant area of 8,800 square meters. Equipped with modern production equipment and advanced detection instruments. 

We can provide all types bearings and OEM service according to customers’ requirements. 

Our products are widely used in the automobile, agricultural, textile production, mining, printing and packing industries, in addition to various applications at airports, in air-conditioning systems, conveying devices, ships ad so on. Our products are being exported to more than 50 countries and regions overseas including Singapore, Thailand, Iran, Turkey, Poland, Italy, England, France, Russia, Germany, the United States, Australia, Argentina, Brazil as well as other countries and regions all over the world.

We are a trusted and reliable bearing supplier, choose us to be your good partner!

Quality Inspection.


Our Advantages: 

1.  Professional production team with advanced production equipment and testing instruments. 
2.  Many years of export experience can provide customers with better service and problem-solving capabilities.
3.  Customers all over the world enable us to better understand the market and provide customers with suitable bearings.
4.  Sincerity, cooperation, mutual and provide good quality bearings for clients are the development idea of our company
5.  Quick delivery, shipping goods on time. Save more time and cost for all customers. 




1. Q: Are you trading company or manufacturer ?
   A: We have our own factory , our type is factory + trade.

2. Q: Could you accept OEM and customize?
    A: Yes, we can customize products according to your sample or drawing.

3. Q: How long is your delivery time? 
    A: If stock, within 7 days to ship or based on your order quantity.

4. Q: Could you supply sample for free? 
    A: Yes, we can offer the sample for free,do you mind to buy a “ticket” for her?

More details, please contact with us. Thanks for your time!

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Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
US$ 1/Piece
1 Piece(Min.Order)


Order Sample



Customized Request

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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

pillow block bearing

What challenges are associated with lubrication distribution in pillow block bearings, and how are they addressed?

Lubrication distribution in pillow block bearings can pose certain challenges, but these challenges can be effectively addressed through various methods and techniques. Here are the key challenges associated with lubrication distribution in pillow block bearings and their corresponding solutions:

  • Inadequate Lubricant Supply:
  • One common challenge is ensuring an adequate and consistent supply of lubricant to the bearing. Inadequate lubrication can lead to increased friction, heat generation, and premature wear. To address this challenge, proper lubrication procedures should be followed, including using the correct type and quantity of lubricant recommended by the bearing manufacturer. Regular lubrication inspections and monitoring can help ensure that the bearing receives sufficient lubricant to maintain optimal performance.

  • Lubricant Contamination:
  • Contamination of the lubricant can occur due to various factors, such as the ingress of dirt, dust, or moisture into the bearing housing. Contaminated lubricant can hinder proper lubrication distribution and compromise the bearing’s performance. To address this challenge, effective sealing mechanisms, such as rubber seals or labyrinth seals, are incorporated into pillow block bearings to prevent the entry of contaminants. Regular inspection and cleaning of the bearing housing and lubrication system can also help maintain a clean lubricant supply.

  • Uneven Lubrication Distribution:
  • Uneven distribution of lubricant within the bearing can lead to localized areas of high friction and increased wear. This can occur due to factors such as improper lubrication techniques, misalignment, or the presence of obstructions within the bearing housing. To address this challenge, it is crucial to follow the manufacturer’s guidelines for lubrication methods and intervals. Proper alignment of the bearing and shafts, along with regular inspection and maintenance, can help ensure even lubricant distribution and prevent premature wear.

  • Over-Lubrication:
  • Over-lubrication can be as detrimental as inadequate lubrication. Excessive lubricant can result in increased drag, higher operating temperatures, and potential leakage. It can also lead to the accumulation of contaminants within the bearing housing. To overcome this challenge, it is essential to adhere to the recommended lubrication quantities specified by the bearing manufacturer. Monitoring techniques, such as visual inspection or the use of condition monitoring tools, can help identify signs of over-lubrication and allow for adjustments to be made accordingly.

  • Lubricant Degradation:
  • Lubricants can degrade over time due to factors such as oxidation, contamination, or high operating temperatures. Degraded lubricants lose their effectiveness, leading to inadequate lubrication and increased friction. To address this challenge, regular lubricant analysis and monitoring can help determine the lubricant’s condition and identify the need for replenishment or replacement. Lubricant selection should also consider the operating conditions and temperature ranges to ensure optimal performance and longevity.

  • Automatic Lubrication Systems:
  • Pillow block bearings in certain applications benefit from the use of automatic lubrication systems. These systems provide a controlled and consistent supply of lubricant to the bearing, eliminating the challenges associated with manual lubrication. Automatic lubrication systems can be designed to deliver precise amounts of lubricant at regular intervals, ensuring optimal lubrication distribution. They can also incorporate monitoring features to detect abnormalities or malfunctions in the lubrication system and allow for timely corrective actions.

In summary, challenges associated with lubrication distribution in pillow block bearings include inadequate lubricant supply, lubricant contamination, uneven distribution, over-lubrication, lubricant degradation, and the need for precise and consistent lubrication. These challenges can be effectively addressed through proper lubrication procedures, sealing mechanisms, regular inspection and maintenance, adherence to manufacturer guidelines, monitoring techniques, lubricant analysis, and the use of automatic lubrication systems where applicable. By addressing these challenges, optimal lubrication distribution can be achieved, leading to improved performance, reduced wear, and extended bearing life.

pillow block bearing

Can you provide examples of scenarios where easy mounting and dismounting are crucial with pillow block bearings?

Easy mounting and dismounting of pillow block bearings are crucial in various scenarios where maintenance, repair, or replacement of bearings is required. Here are some examples of situations where easy mounting and dismounting are particularly important:

  • Field Maintenance:
  • In industries such as agriculture, construction, and mining, equipment often operates in remote or challenging locations. In these scenarios, quick and easy mounting and dismounting of pillow block bearings are essential for efficient field maintenance. Bearings may need to be replaced or serviced on-site to minimize downtime and keep the equipment operational. Easy access to the bearings and straightforward mounting and dismounting procedures enable maintenance personnel to perform these tasks effectively and swiftly.

  • Conveyor Systems:
  • Conveyor systems are widely used in industries such as manufacturing, warehousing, and logistics. These systems consist of numerous pillow block bearings that support the conveyor rollers or pulleys. In situations where a bearing fails or requires maintenance, easy mounting and dismounting are crucial to minimize disruption to the production or material handling process. Efficient replacement of the bearing allows the conveyor system to resume operation quickly and ensures smooth material flow.

  • High-Speed Machinery:
  • In applications involving high-speed machinery, such as paper mills, printing presses, or textile machinery, easy mounting and dismounting of pillow block bearings are important. These machines often operate at high rotational speeds, and any downtime for bearing replacement or maintenance can have a significant impact on productivity. Quick and hassle-free mounting and dismounting procedures allow maintenance teams to swiftly address bearing issues and restore the machinery to its optimal performance.

  • Service and Repair Workshops:
  • Service and repair workshops that handle a wide range of equipment from different industries benefit from easy mounting and dismounting of pillow block bearings. These workshops often deal with various machinery types and sizes, and having a streamlined process for bearing replacement or maintenance is crucial to ensure efficient service delivery. Easy mounting and dismounting procedures simplify the workflow, reduce labor time, and enhance overall operational efficiency.

  • Equipment with Limited Access:
  • Some equipment may have limited access to the bearings due to space constraints or design considerations. Examples include compact machinery, enclosed systems, or installations with complex configurations. In such cases, easy mounting and dismounting of pillow block bearings become even more critical. Simplified procedures and accessible mounting points facilitate the replacement or maintenance of bearings in these challenging environments.

In summary, easy mounting and dismounting of pillow block bearings are crucial in scenarios where efficient maintenance, repair, or replacement of bearings is required. This includes field maintenance, conveyor systems, high-speed machinery, service and repair workshops, and equipment with limited access. By enabling quick and hassle-free procedures, easy mounting and dismounting of pillow block bearings contribute to minimizing downtime, optimizing equipment performance, and ensuring smooth operations in various industries and applications.

pillow block bearing

Can you explain the design principles of pillow block bearings and their functions?

Pillow block bearings, also known as plummer block bearings, are designed based on certain principles to ensure their functionality and performance. Understanding the design principles can provide insights into how these bearings operate and fulfill their intended functions. Here’s a detailed explanation of the design principles of pillow block bearings and their functions:

  • Housing Design:
  • The housing of a pillow block bearing is typically made of cast iron or pressed steel and has a split design. The split housing allows for easy installation and maintenance by providing access to the bearing insert without the need to disassemble the entire system. The housing also includes mounting holes or slots for attaching the bearing to a support structure, such as a machine frame or conveyor system.

  • Bearing Insert:
  • The bearing insert is a key component of a pillow block bearing. It is pre-mounted inside the housing and provides the rotating element to support shafts or other moving parts. The design of the bearing insert depends on the specific application requirements. Common types of bearing inserts used in pillow block bearings include deep groove ball bearings, spherical roller bearings, and cylindrical roller bearings. The selection of the appropriate bearing insert depends on factors such as load capacity, speed, and environmental conditions.

  • Self-Aligning Capability:
  • Pillow block bearings are designed with a certain degree of self-aligning capability. This means that they can accommodate slight misalignments or shaft deflections without causing undue stress on the bearing or affecting its performance. The self-aligning capability is achieved through the design of the bearing insert and the housing. It helps to ensure smooth operation, reduce wear, and prolong the bearing’s service life.

  • Load Support:
  • Pillow block bearings are primarily designed to support rotating shafts and transmit loads between the shaft and the housing. They are capable of handling both radial and axial loads, depending on the type of bearing insert used. The design of the bearing insert and the housing is optimized to provide optimal load-carrying capacity and distribute the loads evenly, minimizing stress concentrations and maximizing the bearing’s performance.

  • Lubrication:
  • Lubrication is crucial for the proper functioning and longevity of pillow block bearings. The housing design often includes provisions for grease or oil lubrication. Lubrication helps to reduce friction, dissipate heat, prevent wear, and protect against corrosion. Proper lubrication ensures smooth operation, minimizes power losses, and extends the service life of the bearing.

  • Environmental Protection:
  • Pillow block bearings are designed to provide a degree of environmental protection to the bearing insert. The housing acts as a shield, preventing contaminants such as dust, dirt, and moisture from entering the bearing and causing premature failure. The housing design may include features such as seals or shields to further enhance the protection against contaminants. This design principle helps to maintain the integrity of the lubrication and ensure reliable operation in various working environments.

In summary, pillow block bearings are designed based on certain principles to ensure their functionality and performance. The housing design allows for easy installation and maintenance, while the bearing insert provides the rotating element to support shafts and transmit loads. The self-aligning capability accommodates misalignments, and the optimized design of the bearing insert and housing ensures proper load support. Lubrication and environmental protection features contribute to smooth operation and extended service life. Understanding these design principles helps in selecting and utilizing pillow block bearings effectively in various industrial applications.

China factory Cast Iron Housing UCP Ucf UCT Ucfc UCFL Ucpa 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 220 Pillow Block Bearing Skfnsktimkeninakoyo   wheel bearingChina factory Cast Iron Housing UCP Ucf UCT Ucfc UCFL Ucpa 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 220 Pillow Block Bearing Skfnsktimkeninakoyo   wheel bearing
editor by CX 2024-05-16