China OEM Mounted Pillow Block Housing Spherical Insert Agriculture Ball Bearings UC ,Ug,SA, Sb,Yar,Ew, Ub, En, Ubr, Enr,Nap,Alp,UCFL,Asfl,Fhsft, Sbfl,Ucha,  UC211-31 M-F with Good quality

Product Description

Cheap Price Pillow Block Bearing UCP Series for Machine

Pillow blocks, the most commonly used type of mounted units, are designed to provide shaft support where the mounting surface is parallel to the shaft axis. The bolt holes are usually slotted for adjustment during mounting. Pillow blocks are supplied in a variety of configurations. Pressed steel pillow block bearings are also available for light-duty applications.
 

Bearing Unit No. Shaft dia.(mm) Dimensions(mm) Bolt used(mm) Bearing No. Housing No. Weight(kg)
h a e b s1 s2 g w Bi n
UCP201 12 30.2 127 95 38 13 19 14 62 31 12.7 M10 UC201 P203 0.69
UCP202 15 30.2 127 95 38 13 19 14 62 31 12.7 M10 UC202 P203 0.69
UCP203 17 30.2 127 95 38 13 19 14 62 31 12.7 M10 UC203 P203 0.68
UCP204 20 33.3 127 95 38 13 9 15 71 34.1 14.3 M10 UC204 P204 0.63
UCP205 25 36.5 140 105 38 13 19 15 71 34.1 14.3 M10 UC205 P205 0.70 
UCP206 30 42.9 165 121 48 17 20 17 84 38.1 15.9 M14 UC206 P206 1.10 
UCP207 35 47.6 167 127 48 17 20 18 93 42.9 17.5 M14 UC207 P207 1.35
UCP208 40 49.2 184 137 54 17 20 18 100 49.2 19 M14 UC208 P208 1.70 
UCP209 45 54 190 146 54 17 20 20 106 49.2 19 M14 UC209 P209 1.95
UCP210 50 57.2 200 159 60 20 23 21 113 51.6 19 M16 UC210 P210 2.40 
UCP211 55 63.5 219 171 60 20 23 23 125 55.6 22.2 M16 UC211 P211 2.90 
UCP212 60 69.8 241 184 70 20 23 25 138 65.1 25.4 M16 UC212 P212 3.70 
UCP213 65 76.2 265 203 70 25 28 27 150 65.1 25.4 M20 UC213 P213 4.70 
UCP214 70 79.4 266 210 72 25 28 27 156 74.6 30.2 M20 UC214 P214 5.25
UCP215 75 82.6 275 217 74 25 28 28 162 77.8 33.3 M20 UC215 P215 6.00 
UCP216 80 88.9 292 232 78 25 28 30 174 82.6 33.3 M20 UC216 P216 7.25
UCP217 85 95.2 310 247 83 25 28 32 185 85.7 34.1 M20 UC217 P217 8.50 
UCP218 90 101.6 327 262 88 27 30 33 198 96 39.7 M22 UC218 P218 10.75

Materials
The performance and reliability of rolling bearings are greatly affected by the materials which the bearing components are made from.BXY bearing rings and balls are made of high quality of GCr15 vacuum-degassed bearing steel.Chemical composition of GCr15 bearing steel is basically equivalent to some representative bearing steel as the chart shown below.

Chemical composition of high-carbon chrome bearing steel

Standard Code Material Analysis(%)
C Si Mn Cr Mo P S
GB/T GCr15 0.95-1.05 0.15-0.35 0.25-0.45 1.40-1.65 <=0.08 <=0.571 <=0.571
DIN 100Cr6 0.95-1.05 0.15-0.35 0.25-0.45 1.40-1.65   <=0.030 <=0.571
ASTM 52100 0.98-1.10 0.15-0.35 0.25-0.45 1.30-1.60 <=0.10 <=0.571 <=0.571
JIS SUJ2 0.98-1.10 0.15-0.35 <=0.50 1.30-1.60   <=0.571 <=0.571

Most of ball bearing cages are made of cold rolled steel sheet.Anf for some bearing types and special applications,cages are made of glass fiber reinforced nylon 66 plastic,phenolic or machined brass.
The material of bearing housings is gray or ductile cas iron, housings can also be made of pressed steel,stainless steel, or engineering plastics for special purposes.

Operating temperature
The bearings usually operate below the temperature of 120ºC(the measuring temperature of the outer ring is 100ºC).Grease life reduction has to be taken into account when the bearings continue to operate at a temperatuer above 70ºC.The lowest operating temperature should not be lower than -10ºC.
For higher or lower temperature application,please consult us for further information.

Mounting method of housings
The desired installation order is :first install the housing,then the shaft and bearing.The bearing units can be easily installed in principle at any place.However, in order to have a long service life, it is desired that the mounting base is flat and rigid.
The pillow block type and flange type housing are desired that the angle between the surface on which the housing is mounted and the shaft be maintained to a tolerance of ±2°.

Products Packing
Our packaging is also very variable, the purpose is to meet the needs of different customers.The commonly used packages are as follows:
1.Industrial package+outer carton+pallets
2.Single box+outer carton+pallets
3.Tube package+middle box+outer carton+pallets
4.According to your requirements

Application
Pillow blcok Bearings are commonly used in agricultural machines such as grinder, drying machine, paper-machine, textile machine, woodworking machine, winch and roller conveyor as well as a large number of non agricultural applications.

Workplace
Guanxian Xinyan Pillow Block Bearing Co., Ltd. is based in ZheJiang (China) since 2011 and is 1 of the biggest authorized manufactures and exporters of bearing. We′ve been dedicated to provide all types of hiigh quality bearings to OEM, Retailers and traders throughout international market since the moment established.

Pillow block bearings, bearings housing, insert bearings and deep groove ball bearings are all we specialized. We are also developing nonstandard bearings as per the drawings from customers. Our dominant product is bearing unit. With the advantages of compact structure, Seld-aligning, well sealed, easy to equip, and reasonable prices. It s widely applied in machinery of agricultrure, chemical engineering, Mine, Metallurgy, Building, Light industry such as refrigeation, plastic, shoe-making, carpentry, Road, Building material, food, packing, textile, transportation, Printing, ceramics and so on.

Up to now, we have exported our goods to Italy, Brazil, Argentina, Poland, India, Pakistan, Bangladesh, Thailand etc.

First class service, efficient delivery methods, the most competitive quality-price ratio, we dedicated to provide you quality brand bearings. Sincerely welcome new and old customers visit and build cooperation. Our goal is to establish first class company, create world famous brand, The policy in quality is that the need of the maket is our direction, pursuing to meet customers satisfaction, Improving constantly, working practically and creatively and serving the society. We form the sprit of connecting together to improve and to help you to success.

BXY is our registered brand. And warmly welcome to CZPT Bearing Co., Ltd and Lets expand BXY market together!

NO.1   
We are factory directly.

NO.2   
We provide our customers the most Comprehensive service and we’ll do our best to deal with problems our customers encountered to ensure our customers SATISFACTION.

NO.3   
The high quality of our products means that it has long life, high speed, low noise, low vibration and low friction.

NO.4
Be honesty, be professional is our faith; good attitude, timely response, quick delivery, consideration of every detail is our working style.

NO.5 
Manufactured by ourselves, enough storage space, enough inventory, high producing efficiency we possess, the most favorable price we offer to our customers makes sure every deal have a happy end.

Customer’s feedback
The company is from the original steel, forging, turning, quenching, fine grinding, installation, one-stop production line, to ensure the quality of steel, bearing size specifications, installation technology, at a low price to ensure the quality of bearing.We will deliver the goods on a fast delivery date.To ensure your use and sale.Omitted the middle link, let you more affordable…
Customer’s evaluation is the standard of product quality inspection, we always adhere to the customer matching the corresponding quality requirements of the product, responsible for the customer.In the premise of quality assurance to customers, we try to achieve a ‘popular’ price.

FAQ
Q1: How many the MOQ of your company?
A: Our company MOQ is 1pcs.

Q2: Could you accept OEM and customize?
A:YES, we can customize for you according to sample or drawing.

Q3: Could you supply sample for free?
A: Yes, we can supply sample for free, but need our customer afford freight.

Q4 : Does your factory have CE?
A: Yes, we have ISO 9001:2008, and SASO. If you want other CE, we can do for you.

Q5: Is it your company is factory or Trade Company?
A: We have our own factory; our type is factory + trade.

Q6:  What time the guarantee of your bearing quality guarantee period?
A: 6 months ,Customer need supply photos and send bearing back.

Q7: Could you tell me the payment term of your company can accept?
A: T/T, Western Union, PayPal, T/T, L/C.

Q8: Could you tell me the delivery time of your goods?
A: 7-15 days , mostly base on your order quantity.

We also produce and supply

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Aligning: Aligning Bearing
Separated: Separated
Feature: Low Temperature, Corrosion Resistant, High Temperature, High Speed
Rows Number: Single
Raceway: Deep Groove Raceway
Material: Bearing Steel
Samples:
US$ 0.85/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

pillow block bearing

What considerations are important when selecting the appropriate size and housing material for a pillow block bearing?

When selecting the appropriate size and housing material for a pillow block bearing, several considerations are important to ensure optimal performance and reliability. Here are the key factors to consider:

  • Load Capacity:
  • Determine the anticipated load that the pillow block bearing will be subjected to. Consider both the magnitude and direction of the load. This information is crucial for selecting a bearing with the appropriate load capacity. It ensures that the bearing can handle the applied loads without premature wear or failure.

  • Shaft Size and Fit:
  • Take into account the size and tolerance of the shaft that the bearing will be mounted on. The bearing and shaft should have compatible dimensions and proper fit. Consider factors such as shaft diameter, tolerance, and shape to ensure a secure and accurate fit between the bearing and the shaft.

  • Operating Speed:
  • Understand the expected operating speed of the application. Different pillow block bearings are designed to handle specific speed ranges. Ensure that the selected bearing’s speed rating is suitable for the anticipated operating conditions. Operating the bearing within its speed limitations prevents excessive heat generation and premature failure.

  • Environmental Conditions:
  • Evaluate the environmental factors that the pillow block bearing will be exposed to. Consider aspects such as temperature extremes, humidity, dust, chemicals, and potential contaminants. Choose a bearing and housing material that can withstand the specific environmental conditions to ensure long-term durability and optimal performance.

  • Corrosion Resistance:
  • If the application is exposed to corrosive elements, select a pillow block bearing with appropriate corrosion resistance. Stainless steel or other corrosion-resistant materials may be necessary to prevent degradation and maintain the functionality of the bearing in such environments.

  • Housing Material:
  • Consider the housing material for the pillow block bearing. Common housing materials include cast iron, stainless steel, thermoplastic, and composite materials. The choice of housing material depends on factors such as load requirements, environmental conditions, corrosion resistance, and cost considerations. Each housing material has its own advantages and limitations, so select the most suitable material for the specific application.

  • Lubrication:
  • Identify the lubrication requirements of the pillow block bearing. Some bearings may require periodic lubrication, while others are designed to be maintenance-free or self-lubricating. Consider the availability of lubrication access points and the ease of lubrication when selecting the bearing and housing. Proper lubrication ensures smooth operation, reduces friction, and extends the bearing’s lifespan.

By carefully considering these factors when selecting the appropriate size and housing material for a pillow block bearing, you can ensure compatibility, performance, and longevity in the specific application. Consulting with bearing manufacturers, engineers, or industry experts can provide valuable guidance in making the optimal selection for your specific requirements.

pillow block bearing

What are the challenges and solutions for managing misalignment and vibration in pillow block bearings?

Misalignment and vibration pose challenges in the proper functioning and longevity of pillow block bearings. However, there are solutions available to address these issues. Let’s explore the challenges and corresponding solutions for managing misalignment and vibration:

  • Misalignment Challenges:
  • Misalignment occurs when the shaft and the bearing are not perfectly aligned. This can result from various factors, including improper installation, thermal expansion, shaft deflection, or external forces. The challenges associated with misalignment include:

    • Increased Friction and Wear: Misalignment causes uneven loading and increased friction between the bearing and the shaft. This can lead to accelerated wear, premature bearing failure, and reduced equipment performance.
    • Excessive Heat Generation: Misalignment generates additional heat due to increased friction. This heat can negatively impact the lubrication, leading to lubricant breakdown and reduced bearing life.
    • Vibration and Noise: Misaligned pillow block bearings can contribute to vibration and noise in the equipment. Excessive vibration can cause further damage to the bearing and other components, affecting the overall system’s stability and performance.
  • Misalignment Solutions:
  • To manage misalignment in pillow block bearings, several solutions can be implemented:

    • Proper Installation and Alignment: Ensuring correct installation procedures and alignment techniques during initial setup or bearing replacement is crucial. This includes aligning the shaft and the bearing within specified tolerances using alignment tools and techniques such as laser alignment or dial indicators.
    • Flexible Couplings: Flexible couplings can compensate for minor misalignments between the driving and driven components. These couplings allow for angular, parallel, and axial misalignment, reducing the transmitted misalignment to the pillow block bearings.
    • Self-Aligning Bearings: Some pillow block bearings are designed with self-aligning capabilities. These bearings can accommodate small amounts of misalignment without significant adverse effects. Self-aligning bearings utilize specialized internal geometries or spherical outer rings to maintain proper alignment under certain misalignment conditions.
    • Adjustable Bearing Housings: Certain pillow block bearing designs incorporate adjustable housings that allow for fine-tuning the alignment. These housings provide additional flexibility in aligning the bearing to the shaft, compensating for misalignment during operation.
  • Vibration Challenges:
  • Vibration refers to the oscillation or shaking of the bearing and the surrounding equipment. Excessive vibration can contribute to various issues:

    • Increased Friction and Wear: Vibrations can lead to higher levels of friction and wear within the bearing, potentially causing premature failure and reduced operational lifespan.
    • Structural Fatigue: Prolonged exposure to excessive vibration can lead to structural fatigue in the bearing housing, shaft, and other connected components. This can result in cracks, deformations, or even catastrophic failures.
    • Unstable Operation: Excessive vibration can negatively impact the stability and performance of the equipment. It can affect accuracy, precision, and overall system functionality.
  • Vibration Solutions:
  • Managing vibration in pillow block bearings involves implementing the following solutions:

    • Balancing: Balancing rotating components, such as shafts, pulleys, or rotors, reduces vibration caused by uneven weight distribution. Dynamic balancing techniques, including static and dynamic analysis, can identify and correct imbalances, minimizing vibration levels.
    • Vibration Analysis and Monitoring: Regular vibration analysis and monitoring can help detect and diagnose vibration issues in pillow block bearings. This involves using vibration sensors and analyzing the data to identify potential problems early on, allowing for timely corrective actions.
    • Vibration Damping: Employing vibration damping techniques, such as the use of vibration-absorbing materials or isolators, can help mitigate excessive vibrations. These methods absorb or dissipate vibration energy, reducing the impact on the pillow block bearings and the surrounding equipment.
    • Improved Lubrication: Proper lubrication is essential for reducing friction and damping vibrations within pillow block bearings. Using the correct lubricant type, quantity, and application method helps maintain a stable lubrication film, minimizing vibration-induced wear.

In summary, managing misalignment and vibration in pillow block bearings involves addressing specific challenges and implementing suitable solutions. Proper installation and alignment techniques, flexible couplings, self-aligning bearings, and adjustable housings help manage misalignment. Balancing, vibration analysis and monitoring,vibration damping, and improved lubrication are effective solutions for mitigating vibration-related issues. Implementing these solutions promotes optimal performance, extends the lifespan of pillow block bearings, and ensures the smooth operation of the equipment.

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 Mounted Pillow Block Housing Spherical Insert Agriculture Ball Bearings UC ,Ug,SA, Sb,Yar,Ew, Ub, En, Ubr, Enr,Nap,Alp,UCFL,Asfl,Fhsft, Sbfl,Ucha,  UC211-31 M-F   with Good qualityChina OEM Mounted Pillow Block Housing Spherical Insert Agriculture Ball Bearings UC ,Ug,SA, Sb,Yar,Ew, Ub, En, Ubr, Enr,Nap,Alp,UCFL,Asfl,Fhsft, Sbfl,Ucha,  UC211-31 M-F   with Good quality
editor by CX 2024-05-08