China OEM Stainless Steel Waterproof Pillow Block Bearing connecting rod bearing

Product Description

                                                                               Welcome to choose HangZhou CZPT Bearing Co., Ltd

NO 1. our adwantages:
1. 20 years of experience in bearing manufacturing and sales
2. Accept OEM customization
3. Our main bearing products include Deep groove ball bearings, tapered roller bearings, cylindrical roller bearings, angular contact bearings, needle roller bearings, thrust ball bearings, spherical bearings, automotive bearings pump bearings, and many nonstandard bearings are also in our product range.
4. Sample available

NO 2. Pillow block bearing
The outer spherical ball bearing is actually an improved version of the deep groove ball bearing. Its characteristic is that the outer diameter surface of its outer ring is spherical, which can fit into the corresponding concave spherical surface of the bearing seat, playing a role in automatic centering. Outer spherical bearings are mainly used to withstand combined radial and axial loads, mainly radial loads, and are generally not suitable for bearing axial loads alone.
Outer spherical ball bearing with seat
A spherical bearing with a seat is a bearing unit that combines a rolling bearing with a housing. Most outer spherical bearings make the outer diameter into a spherical surface and are installed together with a bearing seat with a spherical inner hole. There are various structural forms, with good universality and interchangeability.
At the same time, this type of bearing also has a certain degree of self-alignment in design, convenient installation, and a dual structure sealing device, which can work in harsh environments. The bearing seat is generally cast. Commonly used seats include vertical seat (P), square seat (F), convex square seat (FS), convex circular seat (FC), CZPT seat (FL), circular seat (C), slider seat, etc. (T).
Outer spherical bearings with seats are divided into bearing cores and bearing seats. From the name, it is called bearing center plus bearing seat. For example, an outer spherical bearing with a set screw UC205 and a vertical seat is called UCP205. Due to the strong interchangeability between the outer spherical bearing and the seat, the bearing core can be freely assembled in bearing seats of the same specification and different shapes.
Vertical seat outer spherical ball bearing square
pillow blocks
Rhombic seat
Outer spherical ball bearing with raised cylindrical seat
Spherical ball bearing with ring seat outer spherical ball bearing
Sliding block seat outer spherical ball bearing
Outer spherical ball bearing with suspension seat
Outer spherical ball bearing with suspension seat
Outer spherical ball bearing with adjustable CZPT seat
Stamped seat outer spherical ball bearing
Outer spherical ball bearing with other seats
NO 3. Own brand(Y@H) and OEM

  1. deep groove ball bearing
    2. Pillow block bearing
    3. Spherical Roller bearing
    4. thrust bearing
    5. Cylindrical Roller bearing
    6. Tapered roller bearing
    7. needle bearing
    8. Angular contact ball bearing
    9. Non-standard bearing

    NO 4. Pillow block bearing

Model Pillow block bearing
  1. Bearing Material
  1. Chrome Steel Gcr-15
brand OEM of Y@H
  1. Housing material
  1. Cast Iron HT200
Precision P0 P4 P5 P6
  1. Feature
  1. High Precision, High Speed, Low Friction, Low vibration, Long life
Vibration Z1V1 Z2V2 Z3V3 Z4V4
  1. Delivery Time
  1. 7-15 days after contract
Clearance C1 C2 C3 C4 C5 Package Tube package+outer carton+pallets;
Single box+outer carton+pallets;
According to your requirement
Hardness HRC60-HRC63    

NO 5. 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

NO 6. Our Bearing Factory:

NO 8. Our Bearing Warehouse


Why Choose Us:

l Sample is available.

l We can accept OEM service.

l We have large stock of original brand and our own brand bearing.

l We have 20 years of experience in bearing manufacturing and sales

l Our company was established in 2005, mainly engaged in the research and development and manufacturing of bearings, as well as the sales of internationally renowned brands. Our products are exported to the United States, Germany, the United Kingdom, Japan, and other regions of India, and are highly praised by buyers
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Aligning: Aligning Bearing
Separated: Unseparated
Feature: Vacuum, Magnetically, Low Temperature, Corrosion Resistant, High Temperature, High Speed
US$ 3/Piece
1 Piece(Min.Order)


Order Sample

Available in blue, green, and black products


Customized Request

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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

What are the signs of wear or damage in pillow block bearings, and when should they be replaced?

Pillow block bearings can experience wear or damage over time due to various factors. It is important to monitor their condition regularly to identify signs of wear or damage and determine when replacement is necessary. The following are common signs of wear or damage in pillow block bearings and indicators for replacement:

  • Abnormal Noise:
  • If you notice unusual noises such as grinding, squeaking, or rumbling coming from the pillow block bearing, it can be an indication of wear or damage. Excessive noise often suggests that the rolling elements or the bearing raceways are worn or pitted. In such cases, the pillow block bearing should be replaced to prevent further damage and potential failure.

  • Increased Vibration:
  • An increase in vibration levels can be a sign of problems within the pillow block bearing. Excessive vibration indicates that the bearing may be worn, misaligned, or damaged in some way. If the vibration cannot be resolved through other means, it is advisable to replace the pillow block bearing to restore smooth and efficient operation.

  • Irregular Movement:
  • If the shaft supported by the pillow block bearing exhibits irregular or uneven movement, it can be a sign of bearing wear or damage. The bearing may have developed play or lost its original precision, resulting in erratic motion. In such cases, replacing the pillow block bearing is necessary to ensure proper functioning and prevent further issues.

  • Excessive Heat:
  • If the pillow block bearing becomes unusually hot to the touch during operation, it is an indication of potential problems. Excessive heat generation can result from inadequate lubrication, misalignment, or bearing damage. Continued operation under such conditions can lead to accelerated wear and premature failure. In such cases, the pillow block bearing should be replaced and the underlying causes addressed to prevent further damage.

  • Lubrication Issues:
  • Pillow block bearings require proper lubrication to ensure smooth operation and reduce friction. If there are signs of inadequate lubrication, such as dry or discolored bearing surfaces, it can lead to increased wear and potential bearing failure. If lubrication issues cannot be resolved through lubricant replenishment or maintenance, replacing the pillow block bearing may be necessary.

  • Visible Damage:
  • Inspect the pillow block bearing visually for any visible signs of damage, such as cracks, dents, or corrosion. These visible indications may suggest that the bearing has been subjected to excessive loads, contamination, or harsh operating conditions. If significant damage is observed, replacing the pillow block bearing is recommended.

It is important to note that the specific signs of wear or damage in pillow block bearings may vary depending on the type of bearing and the application. Regular monitoring, maintenance, and following the manufacturer’s guidelines are essential for identifying potential issues and determining the appropriate timing for replacement. When in doubt, consulting with a bearing specialist or qualified technician can provide valuable insights and guidance for replacing pillow block bearings.

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 OEM Stainless Steel Waterproof Pillow Block Bearing   connecting rod bearingChina OEM Stainless Steel Waterproof Pillow Block Bearing   connecting rod bearing
editor by CX 2024-05-07