Product Description
Company Profile
STMPB INDUSTRY was established in 2571; We have 2 bearing brand which STMPB INDUSTRY and YUPO were founded in 2571.STMPB INDUSTRY is our international brand which mainly faces overseas market.YUPO is the domestic brand which manily faces China market.
STMPB INDUSTRY bearing headquarters is mainly located in HangZhou, ZheJiang Province, and the main production base is located in HangZhou, ZheJiang Province. The main products of STMPB INDUSTRY bearings are high precision bearings and customized bearings. The main products of STMPB INDUSTRY are precision angular contact ball bearings, ball screw bearings and bearing units, thin-wall equal-section bearings, precision cylindrical roller bearings, YRT bearings, precision cross roller bearings, precision slewing bearings and non-standard customized products.
STMPB INDUSTRY bearing R & D team mainly composed of professors and doctors, the R & D strength is very strong, to provide customers with the best quality production solutions and solutions. STMPB INDUSTRY bearing with precision production equipment, can provide customers with stable P4,P3,P2 grade products.
STMPB INDUSTRY bearings are mainly applied in CNC machine tools, robots, medical machinery, precision instruments, petrochemical and other fields. So far, STMPB INDUSTRY bearings customers throughout South America, Southeast Asia, the Middle East, Europe and other regions, by the world’s customers consistently high praise.
Product Parameters
| Bearing designations |
Boundary dimensions | Load rating | Weight | ||||||||
| d | D | d2 | D2 | Cr | Cor | ||||||
| in. | mm | in. | mm | in. | mm | in. | mm | KN | kg | ||
| CSI57118 | 1 | 25.4 | 1.375 | 34.925 | 1.14 | 28.96 | 1.235 | 31.37 | 2.5 | 1.3 | 0.01 |
| CSI01518 | 1.5 | 38.1 | 1.875 | 47.625 | 1.64 | 41.66 | 1.735 | 44.07 | 2.8 | 1.8 | 0.02 |
| CSI01718 | 1.75 | 44.45 | 2.125 | 53.975 | 1.89 | 48.01 | 1.985 | 50.42 | 2.9 | 2.0 | 0.02 |
Detailed Photos
Installation Instructions
(1)Inspection of components before installation
Clean the bearing housing or other mounting parts, remove the dirt, and confirm whether the burrs of each
part have been removed.
(2) Install it on the bearing seat or shaft
Because it is a thin-walled bearing, it is easy to tilt during installation. Please use a plastic hammer to find the
level and tap it evenly in the circumferential direction, and install it little by little.
Until you can confirm the contact surface is fully seated by sound.
(3) Installation method of side compression flange
1. After placing the side compression flange in position,
place it in the circumferential direction.
Shake back a few times to adjust the position of the
mounting bolts.
2. Install the compression bolt, and make sure that
there is no deviation due to the bolt hole when tightening the
bolt by hand.
The distance causes the bolts to be difficult to screw in.
3. The tightening of the compression bolt can be
divided into 3-4 parts from temporary tightening to final
tightening stage, repeat the tightening in the order on the
diagonal. When tightening is divided into 2 parts
When tightening the inner or outer ring press bolts, the
integral outer ring is often tightened during the tightening
process.
Or the inner ring can be adjusted and rotated a little to make the outer ring divided into 2 parts or the
deviation of the inner ring is corrected.
Special design: If you need special structure (such as outer ring with mounting holes, inner ring without
holes, etc.), non-standard size, special materials or high precision requirements, etc., please contact.
Certifications
Technological Support
28 professional mechanical engineers
16 professional bearing analysis engineers
326 professional workers
83 sets of high precision CNC machine tools
32 sets of bearing testing equipment
13,000 square meters factory
After Sales Service
In the sales process, we will have professional sales personnel to answer customers’ questions in time, update the production progress, sort out the photos and videos of packaging and delivery, provide customers with the required documents; We will also invite customers to visit our factory, and we will strive to provide solutions for customers’ needs.
It is not the end after delivery, but a new beginning. We will update the logistics status and arrival date to customers in time.Ask customers for feedback on product quality, packaging, etc. at the first time, so as to improve the next cooperation. We will do our best to deal with any customer’s problems with the product.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | C=0.4 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 20/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.


editor by CX 2024-04-04
China OEM Rolamento 6301-2rsn 12*37*12mm Chrome Steel High Quality Deep Groove Ball Bearings bearing driver kit
Product Description
The basic type of deep groove ball bearing consists of an outer ring, an inner ring, a group of steel balls and a group of cages. There are 2 types of deep groove ball bearing, single row and double row, deep groove ball structure is also divided into sealed and open 2 kinds of structure, open refers to the bearing without sealing structure, sealing type deep groove ball is divided into dust seal and oil seal. The dust proof sealing cover is made of steel plate stamping, which only prevents dust from entering the bearing raceway. The oil-proof type is contact oil seal, which can effectively prevent the grease spillover in the bearing.
| NO | Item | Data |
| 1 | Bearing No. | 6301 |
| 2 | Internal Diameter(mm) | 12 |
| 3 | Outside Diameter(mm) | 37 |
| 4 | Width | 12 |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | 1 Year |
|---|---|
| Warranty: | 1 Year |
| Type: | Rolling Bearing |
| Material: | Chrome Steel |
| Tolerance: | P0 |
| Brand: | Xfbr |

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.


editor by CX 2024-02-28
China wholesaler Bearings Roller Ball Bearing Heavy Duty Insert Bearings Pillow Blcok Bearings with Chrome Steel Gcr15 UCP214 drive shaft bearing
Product Description
Bearings Roller ball bearing Heavy duty Insert Bearings Pillow Blcok Bearings with chrome steel Gcr15 UCP214
Parameters:
| Product Name | Pillow Block Bearing |
| Material | Chrome Steel, GCR15,Cast Iron,Stainless Steel |
| Type | UC,UK,SA,SB,UEL Series Insert bearing, UCF,UCP,UCT,UCFL,UCPA,UCFC,UCFA,UCFB,UCPH Series Insert Bearing With Pillow Block |
| Size | d:3-110mm,D:9-240mm |
| Grade | PO,P6,P5,P4,P2 |
| Shield | ZZ ,2RS, OPEN |
| Used For | Mining, metallurgy, agriculture, chemical industry, textile, printing and dyeing, conveying machinery, etc. |
| Warranty | 1 year |
| Brand | R&Z or OEM |
| Packing | According to the buyer requests for packaging |
Specification:
| Bearing No. | Weight | UCP | UCF | UCT | UCFL | UCPA | UCFA | UCPH |
| KG | ||||||||
| UC201 | 0.16 | UCP201 | UCF201 | UCT201 | UCFL201 | UCPA201 | UCFA201 | UCPH201 |
| UC202 | 0.18 | UCP202 | UCF202 | UCT202 | UCFL202 | UCPA202 | UCFA202 | UCPH202 |
| UC203 | 0.19 | UCP203 | UCF203 | UCT203 | UCFL203 | UCPA203 | UCFA203 | UCPH203 |
| UC204 | 0.21 | UCP204 | UCF204 | UCT204 | UCFL204 | UCPA204 | UCFA204 | UCPH204 |
| UC205 | 0.29 | UCP205 | UCF205 | UCT205 | UCFL205 | UCPA205 | UCFA205 | UCPH205 |
| UC206 | 0.31 | UCP206 | UCF206 | UCT206 | UCFL206 | UCPA206 | UCFA206 | UCPH206 |
| UC207 | 0.49 | UCP207 | UCF207 | UCT207 | UCFL207 | UCPA207 | UCFA207 | UCPH207 |
| UC208 | 0.63 | UCP208 | UCF208 | UCT208 | UCFL208 | UCPA208 | UCFA208 | UCPH208 |
| UC209 | 0.68 | UCP209 | UCF209 | UCT209 | UCFL209 | UCPA209 | UCFA209 | UCPH209 |
| UC210 | 0.79 | UCP210 | UCF210 | UCT210 | UCFL210 | UCPA210 | UCFA210 | UCPH210 |
| UC211 | 1.04 | UCP211 | UCF211 | UCT211 | UCFL211 | UCPA211 | UCFA211 | UCPH211 |
| UC212 | 1.47 | UCP212 | UCF212 | UCT212 | UCFL212 | UCPA212 | UCFA212 | UCPH212 |
| UC213 | 1.73 | UCP213 | UCF213 | UCT213 | UCFL213 | UCPA213 | UCFA213 | UCPH213 |
| UC214 | 2.08 | UCP214 | UCF214 | UCT214 | UCFL214 | UCPA214 | UCFA214 | UCPH214 |
| UC215 | 2.25 | UCP215 | UCF215 | UCT215 | UCFL215 | UCPA215 | UCFA215 | UCPH215 |
| UC216 | 2.86 | UCP216 | UCF216 | UCT216 | UCFL216 | UCPA216 | UCFA216 | UCPH216 |
| UC217 | 3.42 | UCP217 | UCF217 | UCT217 | UCFL217 | UCPA217 | UCFA217 | UCPH217 |
| UC218 | 4.4 | UCP218 | UCF218 | UCT218 | UCFL218 | UCPA218 | UCFA218 | UCPH218 |
| Bearing No. | Weight | UCP | UCF | UCT | UCFL | UCPA | UCFC | UCPH |
| kg | ||||||||
| UC 305 | 0.45 | UCP305 | UCF305 | UCT305 | UCFL305 | UCPA305 | UCFC305 | UCPH305 |
| UC 306 | 0.57 | UCP306 | UCF306 | UCT306 | UCFL306 | UCPA306 | UCFC306 | UCPH306 |
| UC 307 | 0.72 | UCP307 | UCF307 | UCT307 | UCFL307 | UCPA307 | UCFC307 | UCPH307 |
| UC 308 | 1.00 | UCP308 | UCF308 | UCT308 | UCFL308 | UCPA308 | UCFC308 | UCPH308 |
| UC 309 | 1.30 | UCP309 | UCF309 | UCT309 | UCFL309 | UCPA309 | UCFC309 | UCPH309 |
| UC 310 | 1.67 | UCP310 | UCF310 | UCT310 | UCFL310 | UCPA310 | UCFC310 | UCPH310 |
| UC 311 | 2.10 | UCP311 | UCF311 | UCT311 | UCFL311 | UCPA311 | UCFC311 | UCPH311 |
| UC 312 | 2.62 | UCP312 | UCF312 | UCT312 | UCFL312 | UCPA312 | UCFC312 | UCPH312 |
| UC 313 | 3.19 | UCP313 | UCF313 | UCT313 | UCFL313 | UCPA313 | UCFC313 | UCPH313 |
| UC 314 | 3.88 | UCP314 | UCF314 | UCT314 | UCFL314 | UCPA314 | UCFC314 | UCPH314 |
| UC 315 | 4.68 | UCP315 | UCF315 | UCT315 | UCFL315 | UCPA315 | UCFC315 | UCPH315 |
| UC 316 | 5.50 | UCP316 | UCF316 | UCT316 | UCFL316 | UCPA316 | UCFC316 | UCPH316 |
| UC 317 | 6.67 | UCP317 | UCF317 | UCT317 | UCFL317 | UCPA317 | UCFC317 | UCPH317 |
| UC 318 | 7.50 | UCP318 | UCF318 | UCT318 | UCFL318 | UCPA318 | UCFC318 | UCPH318 |
| UC 319 | 8.80 | UCP319 | UCF319 | UCT319 | UCFL319 | UCPA319 | UCFC319 | UCPH319 |
| UC 320 | 10.94 | UCP320 | UCF320 | UCT320 | UCFL320 | UCPA320 | UCFC320 | UCPH320 |
| UC 322 | 14.50 | UCP322 | UCF322 | UCT322 | UCFL322 | UCPA322 | UCFC322 | UCPH322 |
| UC 324 | 18.75 | UCP324 | UCF324 | UCT324 | UCFL324 | UCPA324 | UCFC324 | UCPH324 |
Pillow block bearing description:
Other hot sale products
Application
Mining, metallurgy, agriculture, chemical industry, textile, printing and dyeing, conveying machinery, etc.
Our package
* Industrial package+outer carton+pallets
* single box+outer carton+pallets
* Tube package+middle box+outer carton+pallets
* According to your requirements
FAQ:
SAMPLES
1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay
samples charge and shipping cost.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ: 2000 pcs customized your brand bearings.
OEM POLICY
1.We can printing our brand (logo,artwork) on the shield or make your own brand on the shield.
2.We can custom your packaging according to your design
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Aligning: | Non-Aligning Bearing |
|---|---|
| Separated: | Separated |
| Feature: | Low Temperature, Corrosion Resistant, High Speed |
| Samples: |
US$ 0.01/Piece
1 Piece(Min.Order) | Can you Provide Examples of Industries where Ball Bearings are Crucial Components?Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry. These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment. Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|

What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables eff
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
icient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.


editor by CX 2023-08-14
China Factory price KA045XP0 hxhv silvery GCr15 chrome steel thin section angular contact bearings for automobile bearing block
Type: BALL
Structure: Deep Groove
Applicable Industries: Building Material Shops, Printing Shops, Farms, Construction works , Garment Shops, Restaurant, Advertising Company, Machinery Repair Shops, Food & Beverage Shops, Food Shop, Retail, Energy & Mining, Manufacturing Plant, Food & Beverage Factory, Hotels, Home Use, Other
Bore Size: 4.5 – 4.51 inch
Model Number: KA045XP0
Precision Rating: P0
Seals Type: ZZ 2RS OPEN
Number of Row: Single row
Bearing’s Type: KA045XP0 thin section angular contact bearings
Certificate: CE
OEM Service: Custom bearing’s size, logo, packing ,etc.
Packaging Details: 1, Universal Packing2, HXHV Packing3, Customized Packing4, Other original Packing
Port: ZheJiang , HangZhou, HangZhou, etc
Products Description Attention:The price above is only for reference ! Please contact us for the exact price.The final cost depends on shipping cost, bearing’s material, precision and packing, etc. Material: Chrome steel rings & brass retainerSample: AvailableMOQ: $100 per oerder.Optional Brand: Universal / HXHV / Customized / Original BrandOptional Material: chrome steel / stainless steel / full ceramic / hybrid ceramic / POM plastic Type of thin wall bearing:Thin section bearingsThin section deep groove ball bearingThin section angular contact ball bearingsNon-standard thin section bearing Special thin section bearing for robotHigh operation precision, easy installation, save space Non-standard customization: to meet customers’ requirements for non-standard bearingsIndependent research and development: provide competitive price of thin wall bearingsProduction strength: advanced testing equipment Why Choose us:Factory direct saleIndependent productionQuick shipmentIn StockResearch and development abilityAfter-sale serviceCertificate: CE OEM Service:Customized bearing’s logoCustomized bearing’s sizeCustomized bearing’s packingCustomized bearing’s material.We can engrave your logo and bearing’s model number on bearings by laser. Tip: If full customized, buyer can send us the drawing or samples, we will quote you after that. Once we reach agreement about the cost, we will start to produce the samples for your testing. When you confirmed the quality and function of the samples, we wil sign contract and start the mass production. The goods will be the same with samples. Material:Standard bearing’s material is chrome steel (GCr15). It is also called bearing steel. The material can become oxidized and rust after prolonged exposure to humid air, so we filled them with oil or grease to prevend rusting. Stainless steel bearing material. We usually use 440 stainless steel to produce the bearing. It has stronger rust and corrosion resistance, so generally do not need to add lubricating oil or lubricant. Relative to bearing steel, stainless steel quality is better, the price is more expensive. Full Ceramic or hybrid ceramic material. The ceramics used in the production of bearings are generally black silicon nitride(Si3N4) and white zirconia (ZrO2). Plastic bearing are usually made of POM, PA inner and outside rings, glass balls and nylon retainer.To reduce the cost and avoide rusting, buyers can also choose the chea carbon steel material and zinc coated on bearing surface. The best fit is the best, not the most expensive.And it mainly depends on where the bearing will be used and buyer’s requirement. Full ceramic thin section ball bearings Retainer:Steel Bearing’s retainer are normally be made of stainless steel, chrome steel, carbon steel. And the retainer type is ribbonsteel retainer or crown steel retainer.Full ceramic or hybrid ceramic bearings’ retainer are usually made of plastic POM, Nylon, or high polymer material PTFE , PEEK. Seal Type:ZZ type —- Bearing is sealed by steel on both sides.2RS type —- Bearing is sealed by black, blue or other colful rubber on both sides.Open type —- Bearing comes without seal on any side. Lubrication:Oil Lubrication usually be used for small bearings.Grease Lubrication usually be used for bearings with bigger size.Function: the oil and grease will reduce the speed of bearing, but they can also prevent from rusting, extend the service life of the bearings Radil Clearance:The radial clearance of our bearing can be classified C2, C0, C3, C4 & C5 according to customer’s request. Vibration and Noise:The vibration and noise of bearing are classified in 4 classes Z1 Z2 Z3 Z4. It is measured by the instrument of S571-1. For special requirement, it is meassured by BVT-1 and classifited as V1 V2 and V3. Different vibration and noise requirement should be mention in advance. Packing:Universal Packing comes without any brand, logo or company name on products and packing box. We pack with plastic tube, white inner box, butter pater, plastic bag, etc.HXHV Packing is our own packing with our brand on packin box.Customized Packing depends on buyer’s requirement. we can print your logo on packing box, produce the inner box with your drawing.Original Brand Packing is only depends on the bearing’s supplier Application:HXHV bearings are widely used in automobile, bicycle, reducer, medical equipment, sports equipment, aviation, robot joints, machine tools, packaging equipment, textile machinery, semiconductor processing equipment and rotating table and other transmission devices. HXHV bearings can also be used for family appliance and business equipment. Such as air-condition, wahser, cleaner, massage chair, sewing machine, rangehood, micro-wave oven, duplicating machine, etc. Precision:According to the international standard, the accuracy of bearing can be divided in to 5 grades: normal grade P0, high grade P6, accurate grade P5, over accuracy grade P4 and over the 4th grade P2. The contrast of bearing accuracy see table below.
| Country | Standard | Accuracy Grade | ||||||||
| China | GB307.1 | P0 | P6 | P5 | P4 | P2 | ||||
| International Standard Organization | ISO | Normal Class | Class6 | Class5 | Class4 | Class2 | ||||
| Sweden | ** | P0 | P6 | P5 | P4 | P2 | ||||
| Germany | DIN | P0 | P6 | P5 | P4 | P2 | ||||
| Japan | JIS | P0 | P6 | P5 | P4 | P2 | ||||
| U.S.A | ANSI | ABEC1 | ABEC3 | ABEC5 | ABEC7 | ABEC9 | ||||
How to Replace a Bearing
If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.
Z axis
When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.
Angular contact

Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.
Ball bearings

Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.
Sliding-contact bearings

The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.

editor by czh
China Standard Chrome Steel and High Precision Deep Groove Ball Bearings 6019 2RS with Great quality
Product Description
Packing:
one, Industrial Packing: Polybag / plastic tubes + outer carton box + pallet
two, Commercial packing: Single box + outer carton box + Pallet
Shipping and delivery:
3-ten times if in inventory
15-thirty days if inventory is not enough, depend on the amount ask for
1:Deep Groove Ball Bearing Info:
Single row radial ball bearings are the most extensively used bearings and use an uninterrupted raceway, which tends to make these bearings appropriate for radial masses, or a combination of thrust and radial masses. This design permits precision tolerances even at high-pace operation. Shielded bearings are secured on one, or each sides (suffixes Z and ZZ, respectively) by metallic shields fastened to the outer ring. This near clearance labyrinth seal retains the CZPT and prevents the entrance of foreign matter. Sealed bearings incorporate metal reinforced rubber seals securely fastened to a groove on the outer ring. Get in touch with with the internal ring is by sealing lip (Speak to Suffix LLU). Or, non-make contact with with the internal ring is by labyrinth seal (Non-speak to Suffix LLB) to give constructive sealing at all occasions.
2.The Defense of Deep Groove Ball Bearing:
one.The installation is proper, that impacts precision, daily life, overall performance. And fill the bearing with CZPT following installation.
2.Never allow robust impact, such as hammer placing, transfer roller pressure
three.Use the accurate set up instrument, avoid using fabric variety and limited fibers
4.Lubricate the bearing to keep away from rust with high-high quality mineral oil, specially in summer
5.Basic inspection, such as the surrounding temperature, vibrate, noise inspection
six.Preserve bearing cleansing from dust, dust, pollutant, humidity.
7.Bearing must not be extremely cooled.
three:The Application of Deep Groove Ball Bearing
This bearing can be utilized: Right after stitching gear, machine resource spindles, plug-in, ordinary sort CZPT tower, resistance welding device, growing older furnace, hobbing machine, environmental protection gear, whirlpool pump, ceramics engraving machine, metal packaging equipment, fishing machinery, higher-strain reactor, offset printing, aerospace, rubber granulating device, plastic machine, chip conveyor, and so on goal.
Our Merchandise Lines:
one. Deep groove ball bearings (68series, 69series, 60series, 62series, 63series, 64series)
two. Tapered roller bearing(320 sequence, 322 collection, 323 sequence)
three. Linear bearing
four. Thrust ball bearing(511 series, 512 series, 513 series)
five. Cylindrical roller bearing(NU10 sequence, NJ2 Sequence, N3 collection, NN series)
6. Needle roller bearing
seven. Angular make contact with ball bearing(70 sequence. 72 series. 73 sequence. seventy four collection)
eight. Spherical roller bearing
nine. Thurst roller bearing
ten. Spherical ball bearing(230 sequence, 222series, 223series)
11. Pillow block bearing(UCP collection, UCF series, UCT sequence, UCFL collection)
FAQ:
Q: Are you buying and selling firm or company?
A: We are manufacturing unit of the bearing in China
Q: How prolonged is your supply time?
A: Usually it is 5-10 days if the goods are in inventory. Or it is fifteen-20 days if the merchandise are not in inventory,
It is in accordance to amount of the bearing China.
Q: Do you give samples? Is it cost-free or extra?
A: Of course, we could offer you the sample for free demand but do not pay out the value of freight.
Q: What is your terms of payment?
A: Payment=10000USD, thirty% T/T in advance,
Harmony prior to shippment.
If you have one more concern, pls truly feel totally free to contact us
Sorts of Ball Bearings
There are many kinds of Ball Bearings accessible on the market, but which one is greatest for your application? Right here, we will go over the variances in between Angular get in touch with, Solitary-row, Large-carbon metal, and Ceramic ball bearings. These varieties of bearings also characteristic races, or a groove in the middle of each and every. These races are crucial in retaining the balls contained within the cylinder. They also supply a groove-baed pathway.
Ceramic
The ceramic ball used in ball bearings has numerous rewards. It is lightweight, operates at reduced temperatures, has diminished skidding, and is resistant to electrolysis. The ball also exhibits for a longer time exhaustion lifestyle. All of these variables make the ceramic ball a good choice for a lot of applications. But, how do you know if a ceramic ball bearing is right for your software? Read through on to uncover why ceramic ball bearings are a better decision than steel or stainless steel ones.
The ceramic balls are 40% a lot more dense than metal. This implies significantly less centrifugal pressure is created on the bearing, which suppresses warmth era. Because of this reduced friction, ceramic bearings are more productive at transferring strength. In comparison to steel bearings, ceramic balls have for a longer time lifestyle spans. Even so, these ceramic balls are not as powerful as metal. As a result, it is critical to comprehend the restrictions of the ceramic ball bearing ahead of acquiring one particular.
The ceramic components used for ball bearings are resistant to micro-welding. Metals endure this process when imperfections in the surfaces interact. At some point, this benefits in a brittle ball that lowers the existence of a bearing. Not like metals, ceramic materials have a stable habits at substantial temperatures and exhibit considerably less thermal expansion. This indicates that they can be utilised for programs the place lubrication isn’t an alternative.
Even though metal balls can simply soak up contaminants and overseas particles, the ceramic ball is insensitive to this, and does not need lubrication. This implies they’re not prone to corrosion and other typical troubles. These are just a handful of motives why ceramics are a greater selection. This technological innovation has a wide range of uses. It truly is simple to see why it is so common. If you happen to be seeking for a new bearing for your application, be positive to contact an AST Applications Engineer. They can assess your operating problems and likely failure modes.
Angular speak to
An Angular Speak to Ball Bearing (also acknowledged as an angular-make contact with bearing) has an axial element that is produced when radial masses are applied. They are normally utilised in pairs, triplex sets, or quadruplex sets. These bearings are also obtainable with Super Completed Raceways to minimize noise and improve lubricant distribution. Angular make contact with ball bearings have different layout units, these kinds of as bore measurement, outer diameter, and outer ring width.
A one-row angular make contact with bearing has a radial speak to angle that is equivalent to the angular distance between the two rings. Double-row angular bearings are created for two-way thrust capability. These sorts of bearings can be obtained at Grainger and other on-line merchants. A standard angular get in touch with bearing will very last up to a million revolutions. They are usually used in industrial angular speak to bearings.
One-row angular contact ball bearings attribute a set speak to angle. These bearings can help radial and axial loads, but they are unable to face up to high speeds. One-row angular contact ball bearings might also have one or two shoulders relieved. Thrust load is a stress placed on the bearing when it is mounted in an assembly, and it is utilised to generate an angle between the races.
Angular get in touch with ball bearings come in solitary and double-row configurations. They differ in the axial load they can have and the sort of lubrication they use. Angular get in touch with ball bearings are ideal for higher-pace programs and can accommodate the two radial and axial loads. The sort of get in touch with and lubrication utilised in angular-get in touch with ball bearings depends on the meant use for the bearing.
Large-carbon steel
Carbon steel is a reduced-alloy and high-carbon steel utilised in bearings. This content provides superior toughness and exhaustion houses for ball and roller bearings. Its mechanical homes are best for applications where the temperature is significantly less than four hundred degrees Fahrenheit. Higher-carbon metal is also used to make bearing parts for chrome metal bearings. These varieties of steels are softer than chrome metal but supply outstanding durability in purposes exactly where the material is exposed to severe conditions.
Hardened carbon steel balls with an AISI 1015 hardness index are utilised in a assortment of automotive, business, and semi-precision apps. In addition to automotive purposes, they are also employed in slides, trolleys, and conveyors. AISI 1015 carbon metal balls are utilized in bearings. They can be obtained in a variety of weights and diameters. Carbon metal balls can also be purchased in nickel-plated or uncoated types for decorative reasons.
In buy to establish whether a ball bearing is made of higher-carbon metal, the substance must be examined for its hardness. An normal pocket magnet will operate properly, but an normal unusual earth magnet is not powerful enough to evaluate the hardness. If it attracts the magnet strongly, the steel is metal, even though a weak magnet indicates a non-ferrous materials. A hardness take a look at demands a specific microhardness test.
A reduce-carbon steel is one more selection. Some miniature bearing producers use a material with less carbon than AISI 440C. This material is also known as KS440 or X65Cr13. Following becoming heat-dealt with, it develops more compact carbides, ensuing in outstanding reduced-sounds characteristics and the exact same corrosion-resistance as 440C. These supplies are a less costly different than chrome steel, but they are typically much less tough than chrome alloy steel.
Solitary-row
One-row angular speak to ball bearings accommodate axial masses in 1 direction. These are typically altered in opposition to a next bearing. Not like other ball bearings, they are non-separable and include an higher and reduce shoulder. Solitary-row ball bearings are created of Chromium Steel (GCr15) which is warmth-handled to achieve higher uniform hardness and excellent put on resistance. They are the most generally employed kind of bearings in the world.
Due to the fact of the angular contact in between the radial airplane and the raceway, one-row ball bearings transmit radial forces from raceway to raceway. A larger a, the higher the axial load carrying ability of the bearing. One-row angular get in touch with ball bearings are ideal for large axial masses. However, they have constrained preload capabilities and need to be put in in pairs. Hence, they are greatest used for applications in which axial forces should be distributed.
Single-row ball bearings can be pre-lubricated and have metal shields. They are also accessible with rubber seals or snap rings on the outdoors edge. They are available with a variety of retainers, which includes pressed steel cages, plastic shields, and rubber seals. A tapered bore is also offered on ask for. They are ideal for apps where space is minimal. The 6200 collection of bearings are especially effectively suited for electrical motors, dental hand instruments, and optical encoders.
One-row angular make contact with ball bearings are widely utilised for axial loads. The outer and interior rings have marginally larger radii than the balls. These bearings can accommodate large speeds and reduced torque. They can also be supplied with various grease stages. If grease is essential, you can choose a lubricant that has distinct characteristics dependent on the application. They are effortless to set up and maintain. Nevertheless, they are not advised for adjacent mounting.
Plastic
A plastic ball bearing is a extremely versatile component that can be mounted in a range of parts, which includes wheels, pulleys and housings. The outer ring of a plastic bearing is usually the pulley profile. The internal ring can be manufactured of a shaft or polymer. The built-in style of a plastic ball bearing helps to lessen assembly time and cost. Right here are some of the benefits of this sort of bearing:
1st and foremost, plastic balls are lighter than metallic balls. They also have much less magnetic homes than steel balls, generating them the greatest choice for apps necessitating lower excess weight and noise. Glass balls are also lighter than stainless metal balls, producing them the perfect steel-free of charge choice. They are also quite corrosion-resistant, which tends to make them a excellent option for some programs. In addition to being light-weight, polymer ball bearings are also quiet. And due to the fact of their reduced fat, plastic ball bearings are best for apps that demand quick speed.
Another gain of plastic bearings is their ability to withstand large temperatures. This material is also abrasion and corrosion-resistant. It fulfills Fda and USDA acceptance specifications. Aside from its abrasion-resistant and corrosion-resistant properties, these plastics do not transfer warmth. Apart from currently being extremely sturdy and adaptable, most plastics are also self-lubricating. Common plastics include phenolics, acetals, nylon, and extremely substantial molecular fat polyethylene. Even so, plastics have limitations, and these resources may be destroyed by excessive temperatures or cold stream underneath hefty hundreds.
Other positive aspects of plastic ball bearings contain their low density, substantial hardness and low friction coefficient, and capability to stand up to heat and corrosion. Ceramics are also lightweight, non-conductive, and have exceptional resistance to friction. These products can stand up to temperatures up to 1,800 levels Fahrenheit. If you happen to be in the market for a plastic ball bearing, it’s essential to select the proper kind of materials. And if you happen to be hunting for a high-quality bearing, appear no even more.


China OEM Premium 6910 Zz Deep Groove Ball Bearings Chrome Steel Bearing for Sale near me manufacturer
Item Description
Item Description
Slender wall ball bearings:
Deep groove ball bearings: 6900, 6800, 6700, 618, 619 sequence are slim wall bearings.
In addition, there are several slender wall ball bearings with distinct names in other countries.
Skinny wall angular get in touch with ball bearings: 718 and 719 collection are also slender wall bearings.
Slender wall ball bearings have a bearing inner diameter and outer diameter ratio much less than a specified benefit. The ratio of bearing outer diameter to bearing inner diameter is 1.25 or much less. It is called slim wall ball bearings, which signifies that the outer diameter-internal diameter benefit of the bearing is very modest and the bearing wall is extremely slim.
The precision required by slim wall ball bearings is really higher, since the wall is really slender, so the bodyweight it can carry is also extremely low, and the effect resistance is extremely very poor, so this should be picked in accordance to the use atmosphere!
Application
Common applications:
The specific use of thin wall ball bearings:
Design airplanes, remote control automobiles, machine instruments, motors, drinking water pumps, agricultural equipment, textile equipment, laser printers, devices, measuring instruments, digital accessories, and many others.
Solution Parameters
Certifications
Company Profile
HangZhou CZPT Bearing Co., Ltd was started in 2571 , but the organization has been doing deep groove bearing domestic enterprise currently for 12 years with our personal logo “JVB” so that has a certain popularity in China
Primary Items:
A: 681-689, 6800-6888,691-699, 6900-6976,16001-16056,Thin Wall Bearing.
B: 603-609,623-629,633-638,Micro-Bearing.
C:Micro-MR,MF Sequence with Flange.
D:6000-6571,6200-6210,6300-6310,Deep Groove Ball bearing.
Related Items
Packaging & Transport
FAQ
one. who are we?
We are based in ZHangZhoug, China, start from 2571,sell to Mid East(30.00%),Jap Europe(20.00%),Domestic Market(fifteen.00%),South Asia(10.00%),North The usa(10.00%),Southeast Asia(10.00%),South The usa(5.00%). There are overall about 11-50 folks in our office.
2. how can we promise quality?
Often a pre-production sample prior to mass generation
Often ultimate Inspection just before shipment
3.what can you buy from us?
Deep Groove Ball Bearing,Thin Wall Bearing,Micro-Bearing,Miniature Bearings,Inch bearings
four. why need to you get from us not from other suppliers?
HangZhou CZPT Bearing Co., Ltd was established in 2571 , but has been performing deep groove bearing domestic business previously for twelve years with own emblem “JVB” so that has a good reputation in China and near coorparation factories to make confident steady top quality.
5. what providers can we give?
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Rewards of Ball Bearings
What is a ball bearing? A ball bearing is a sort of rolling-component bearing that utilizes balls to maintain separation amongst two bearing races. Its contact angle between the balls and the races aids it minimize friction among the masses. There are many positive aspects to ball bearings, which includes their ability to stand up to h2o. Read on to discover much more. Below are a few of the advantages. You can use them in your everyday lifestyle, from your automobile to your boat.
Ball bearings minimize friction in between masses
Ball bearings minimize friction between loads by constraining the relative movement among relocating areas. These bearings consist of a ring of modest steel balls that decrease friction in between relocating objects. The identify “ball bearing” is derived from the verb “to bear.” The lubricant in the bearing decreases friction among shifting particles. In a machine, ball bearings reduce friction among shifting parts and increase linear movement close to a set axis.
These bearings are frequently utilised to decrease friction between masses in rotating equipment. They have two tracks, one fixed to the rotating component and 1 stationary. The rolling balls of a ball bearing have lower friction than flat surfaces. Because of this, they are helpful for bar stool bearings. They reduce friction among surfaces and sustain the separation among bearing races. Hence, small surface area contact is attainable. Ball bearings have the potential to improve the existence of devices and lessen strength intake.
Ball bearings can be as small as a wrist observe or as massive as an industrial motor. They operate the same way, reducing friction among masses. Amid their numerous uses, ball bearings are vital for everyday functions. Clocks, air conditioners, supporters, and car axles all use ball bearings. In reality, everything that uses a motor needs ball bearings. It is no wonder they are attaining recognition in industries and everyday existence.
They help radial and axial loads
Radial ball bearings are utilized largely for radial masses, but they also have a ability for axial load. This load ability is generally given as a share of the radial load ranking. Axial load capacity is generally better for a bearing with a larger variation between the inner and outer ring diameters. The axial load potential is also afflicted by the bearing’s raceway depth, with shallow raceways getting more appropriate for heavier axial hundreds.
The two main sorts of axial and radial masses are defined by their orientation. Axial loads use forces in one particular course although radial loads act on the reverse route. In the two cases, the bearing have to support the forces that are imposed. Axial loads implement forces to a bearing in a single route, although radial hundreds utilize forces in both directions. Regardless of the sort of load, axial and radial loads should be regarded when selecting a bearing for a offered application.
Angular and radial ball bearings differ in their supplies. Radial ball bearings are made mostly of via-hardened materials. They normally have a Rockwell hardness score of fifty eight Rc. The raceways and balls of these bearings are produced of 440C stainless metal. They may possibly also have shields and seals. SAE 52100 steel is the most typical content for the raceway, even though molybdenum steels are outstanding for high temperatures.
They have a contact angle between the balls and the races
When evaluating axial load bearings with their radial counterparts, the angular make contact with angle is a lot more essential. Axial load bearings, have a get in touch with angle between the balls and the races of 35 levels. They are ideal for axial masses and a restricted radial load. The contact angle of these bearings is a outcome of the form of the internal and outer rings. Every rolling factor will come into contact with the inner and outer rings only at one particular position, forming a 30 diploma angle with the radial aircraft. The radial drive of the axial load on these bearings is for that reason improved by escalating the make contact with angle amongst the balls and the races.
This contact angle determines the quantity of friction amongst the balls and the races, and allows angular speak to bearings to stand up to weighty radial and thrust masses. In addition, the greater the get in touch with angle, the higher the axial load support. Angular get in touch with bearings arrive in normal imperial (inch) and metric (mm) dimensions. The angular make contact with angle is established by the cost-free radial engage in value and the curvature of the internal observe.
They are h2o-resistant
In addition to their h2o-resistant traits, corrosion-resistant ball bearings can also shield against the damaging outcomes of corrosive environments. Generally, standard metals, such as steel, are inclined to rust, which can drastically decrease their overall performance and extend the life of elements. Nevertheless, plastics, stainless steel, and ceramics can give corrosion-resistant ball bearings. And since these supplies are considerably more sturdy, they offer other rewards, this sort of as currently being simple to keep.
Amid the rewards of plastic ball bearings is their substantial resistance to extreme temperatures, large speeds, and corrosion. Based on their development, plastic bearings are often able to resist corrosion and anti-static properties. They’re lightweight and economical compared to metal ball bearings. CZPT Product sales Corporation was established in 1987 with a modest turnover of 4 lacs. As of the very last fiscal year, it has grown to five hundred lacs in sales.
Other positive aspects of water-resistant ball bearings consist of corrosion resistance, which is a crucial consideration in several apps. Whilst stainless metal is hugely corrosion-resistant, it decreases the bearing’s load-carrying ability. Also, corrosion-resistant deep groove ball bearings are normally made with a specified inner clearance, which absorbs loss in clearance throughout mounting and shaft enlargement. This factor affects their efficiency, and if these are compromised, a substitution may possibly be essential.
They are tough
A few things make ball bearings difficult: they are made of genuine materials, which indicates that they have inherent imperfections. Quality-1 balls are manufactured especially for higher-anxiety apps, these kinds of as Method One engines. Grade-3 balls, on the other hand, strike the ideal harmony in between overall performance and cost. Ceramic balls, for case in point, are created to spin at a substantial fee of 400 RPM, and they are finished with a mirror complete.
A steel carbon ball bearing is 1 of the hardest forms of ball bearings available. The material is exceptionally sturdy, but the get in touch with between the balls just isn’t the very best. Reduced-carbon metal is ideal for linear shafting and is usually coated with a polymer to avert harm. Metal ball bearings with moderate quantities of carbon are difficult, durable, and h2o-resistant. They are best for gears, but their substantial-carbon metal counterparts are especially hard and can resist corrosion.
A ceramic ball bearing is another option. This type has metal interior and outer rings but ceramic balls. Ceramic balls can face up to larger temperatures than steel and are also electrically insulating. Ceramic ball bearings also are likely to be lighter and are much more resistant to dress in and tear. They are also ideal for applications in which grease is not an option, this kind of as in space shuttles. Even with the fact that ceramic ball bearings are tough, they are nevertheless more affordable than metal ball bearings.
They are conductive
You might have listened to the phrase “ball bearing” if you’ve got analyzed introductory physics. What does that indicate? In essence, ball bearings are conductive because of their ability to perform electrical power. This capacity is reflected in the cost distribution on the floor of the ball. Constructive expenses are drawn towards the optimistic plate, while negative expenses are drawn absent from the positively charged ball bearing. You may possibly have even witnessed a ball bearing in motion.
Even so, regardless of their conductive nature, ball bearings can nevertheless turn out to be broken by electrical discharge. A greater voltage can trigger the balls to pit, and the raceways to turn out to be uneven. These uneven surfaces will first demonstrate up as abnormal sounds, and ultimately lead to the bearing to malfunction. Luckily, engineers have found a way to counter this problem: conductive grease. This grease enables recent to stream via the ball bearing, stopping equally warmth and voltage buildup.
The big difference between steel and ceramic ball bearings is their density. Steel bearings are more conductive than glass or hybrid ceramics. Steel ball bearings have an even grain structure and are conductive for resonance movement. When shifting fast, the air surrounding the metal ball bearing carries resonance from the interior ring to the outer. This helps make them perfect for higher-velocity resonance transfer. In addition to currently being conductive, glass microbeads are tougher and lighter than steel.
They are employed in pulley methods
Pulley programs use ball bearings to move the sprocket, which is a wheel that rotates. These bearings are installed on the heart mounting hole of the pulley wheel. They safeguard the entire technique from heat, whilst allowing higher pace and clean operation. They distribute the fat of the load evenly, reducing friction and wobbling, and guarantee a easy rotation. Ball bearings are typically made from steel and are set up within the pulley wheel.
The minute of inertia and bearing friction are calculated to in 10 % accuracy. These two variables have an effect on the speed of the pulley technique, which can lead to crashes if the excess weight holders are not well balanced. Consequently, ball bearings are utilized to minimize the possibility of these kinds of crashes. When you want to know much more about ball bearings in pulley techniques, listed here are the positive aspects they give.
Yet another gain of ball bearings in pulley systems is that they have lower friction than their solid counterparts. In buy to reduce friction, nevertheless, ball bearings have to be produced of very good components. Some of the frequent ball components are higher-quality plastics and stainless steel. Excellent resources and clever block design and style are essential to reducing friction. If you are organizing to use ball bearings in your pulley program, check out the pursuing guidelines and make certain you are choosing the right one particular for your application.

