China manufacturer 6802 2RS Thin Wall Shielded 15*24*5mm ABEC3 Deep Groove Ball Bearing bearing engineering

Product Description

Product Description

6800 series deep groove ball bearings

 other series: product-list-1.html

Bearing NO (mm)Boundary Dimensions (Kn) (Kn) (r/min)
Limit Rotational Speed
(Kg)
Weight
d D B Dynamic Load Rating
Cr
Static Load Rating
Cor
Grease Lubrication Oil Lubrication
6800 10 19 5 1.72 0.84 34000 40000 0.0053
6801 12 21 5 1.92 1.04 32000 38000 0.0068
6802 15 24 5 2.07 1.26 28000 34000 0.0075
6803 17 26 5 2.63 1.57 26000 30000 0.0083
6804 20 32 7 4.0 2.47 22000 26000 0.02
6805 25 37 7 4.5 3.15 18000 22000 0.571
6806 30 42 7 4.7 3.65 15000 18000 0.026
6807 35 47 7 4.9 4.1 14000 16000 0.571
6808 40 52 7 6.35 5.5 12000 14000 0.033
6809 45 58 7 6.6 6.15 11000 13000 0.041
6810 50 65 7 6.4 6.2 9500 11000 0.054
6811 55 72 9 8.8 8.5 8500 10000 0.081
6812 60 78 10 11.5 10.9 8000 9500 0.101
6813 65 85 10 11.9 12.1 7500 8500 0.12
6814 70 90 10 12.1 12.7 6700 8000 0.13
6815 75 95 10 12.5 13.9 6300 7500 0.14
6816 80 100 13 12.7 14.5 6000 7100 0.15
6817 85 110 13 18.7 20 5600 6700 0.27
6818 90 115 13 19.0 21 5300 6300 0.28
6819 95 120 13 19.3 22 5000 6000 0.29
6820 100 125 13 19.6 23 4800 5600 0.31
Note:Above-mentioned products include its modification series,such as Z,2Z,RS,and 2RS etc.

 

Detailed Photos

 


Black chamfer with rubber seal

Black chamfer with white dust cover

open UG

white chamfer with yellow dust cover

ceramic ball bearing

THE USE OF THE BEARING
Some tips on use
Rolling bearing is a precise part. Therefore it should be used carefully. No matter how high performance the bearing has, it can be obtained by improper use, the followings are the points for attention to use bearings.
(1) Keep clean the bearing and its surrounding areas
It is harmful to the bearing even by tiny dust which can not be seen by human eyes. Therefore it should always keep clean the surrounding environments in order to prevent the bearing from dust corrosion.
(2) Use bearing carefully
Scar and indentation can essily be produced out of strong impact to the bearing in use and become the cause of accidents. Therefore special caution should be given to its use.
(3) Use the appropriate operating tool
Avoid using a hammer or heavy direct tap on a bearing or sleeve, must use appropriate tools such as press or heating.
(4) Be careful to the rust corrosion of the bearings
The sweat in the hands will cause rust in operating the bearings. Therefore your hands should be cleanly washed and dried before operation. You’d better wear gloves in doing the work. 
(5) Handler should familiar with bearing
(6) Establish bearing handling criteri
·Bearing storage
.Bearing and surrounding cleaning
.Dimension of mounting parts and inspection
.Machining quality
.Mounting handing
.After mounting inspection
·Disassembly handing
·Keep maintain
·Adding lubricant

 

Installation Instructions

 Bearing mounting
 Precautions for proper mounting of bearing
1) Bearing preparation
Bearing should not be unpacked until before mounting due to spray anti-corrosion oil and pack anti-corrosion paper. In addition, spray anti-corrosion oil on bearing have good lubricate function. For general purpose, just directly using bearing fill-in grease bearings, without cleaning. However, bearing for instrument or high speed rotating must be cleaned with clean filtered oil in order to remove the anti-corrosion oil. At that time, the bearings are easy to corrosion could not storage long term.
2) Inspection of shafts and housings
Cleaning shaft and housing, confirming no scratched or machine burrs, no CZPT and cutting piece in housing. Secondly comppare with drawing, the shaft and housing of dimension, form and machining quality should be inspected.
chart 1 Measure location for shaft diameter                                                                         chart 2  Measure location for housing bore diameter                       

As chart 1 and chart 2 showing, divided several locations to be measure on shaft and housing bore diameters, It should be careful inspected perpendicular between shaft, housing fillet dimension and shoulder.
Before mounting bearing, it should be sprayed mechanical oil on fitting surface after check out the shaft and housing.

Bearing storage
Before leaving the factory, the bearing is sprayed proper rust-inhibiting oil and packed rust-inhibiting paper. The quality of bearing is guaranteed, if the packing is not broken.
For long-term storage, if the humidity less than 65% and the temperature about 20, it should storage on shelf which is higher 30cm than ground.
In addition, storage occasion should avoid sunshine and contact with cold wall.

Pictures about packaging

 

Company Profile

Our Advantages

1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain. 
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. 
3. It’s better to start your order with Trade Assurance to get full protection for your samples order. 

CUSTOMIZED
The customized LOGO or drawing is acceptable for us. 

MOQ
1. MOQ: 10 PCS standard bearings. 
2. MOQ: 1000 PCS customized your brand bearings. 

OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield. 
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.

 

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Motor Parts: Motor Bearing
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Samples:
US$ 50/Piece
1 Piece(Min.Order)

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

shielded bearing

Are shielded bearings suitable for high-speed applications?

Yes, shielded bearings can be suitable for high-speed applications, but their suitability depends on various factors such as the bearing design, materials, and operating conditions. Here’s a detailed explanation of the suitability of shielded bearings for high-speed applications:

Shielded bearings are designed to accommodate a wide range of operating speeds, including high-speed applications. However, it’s important to consider the following factors when determining the suitability of shielded bearings for high-speed use:

  1. Bearing design: The design of the shielded bearing plays a significant role in its ability to handle high speeds. Factors such as the type of rolling elements (balls or rollers), cage design, and internal clearances affect the bearing’s ability to minimize friction, reduce heat generation, and maintain stability at high speeds. Manufacturers provide specific speed ratings for their shielded bearings, indicating the maximum recommended rotational speed. It’s important to select a shielded bearing with a speed rating that exceeds or matches the operating speed requirements of the application.
  2. Bearing materials: The materials used in shielded bearings can impact their performance at high speeds. High-quality materials with excellent hardness, dimensional stability, and low friction coefficients are preferred for high-speed applications. Common bearing materials include steel, stainless steel, and ceramics. Ceramic bearings, in particular, are known for their high-speed capabilities due to their low density and superior hardness. Consider choosing a bearing material that is well-suited for the anticipated speed and operating conditions.
  3. Lubrication: Proper lubrication is critical for high-speed applications. Lubrication helps reduce friction, dissipate heat, and minimize wear between the bearing components. It’s important to select a lubricant that is specifically recommended for high-speed applications and provides adequate lubrication under the anticipated speed and temperature conditions. The lubrication quantity and method should also be optimized to ensure sufficient lubrication without causing excessive drag or overheating.
  4. Temperature control: High-speed applications can generate significant heat due to increased friction. Adequate temperature control measures, such as proper ventilation, cooling systems, or selecting bearings with heat-resistant materials, may be necessary to prevent excessive temperature rise and potential bearing damage or failure.
  5. Application-specific considerations: High-speed applications may involve additional factors that need to be considered. For example, the presence of external forces, vibration, or misalignments can affect the performance and stability of the shielded bearing at high speeds. It’s important to evaluate these factors and choose a bearing design that can withstand the specific demands of the application.

By considering these factors and selecting shielded bearings with suitable designs, materials, lubrication, and temperature control measures, you can ensure their reliability and performance in high-speed applications.

shielded bearing

What materials are shielded bearings commonly made of?

Shielded bearings are commonly made from various materials to suit different application requirements. Here’s a detailed explanation of the materials that are commonly used to manufacture shielded bearings:

  • Steel: Steel is the most commonly used material for manufacturing shielded bearings. High-quality bearing steel, such as chrome steel (52100), is known for its excellent hardness, wear resistance, and load-carrying capacity. Steel bearings are suitable for a wide range of applications and offer good overall performance.
  • Stainless Steel: Stainless steel bearings are often used in applications where corrosion resistance is required. The stainless steel used in bearings is typically AISI 440C or similar grades, which contain high levels of chromium and provide excellent resistance to rust and corrosion. Stainless steel bearings are commonly used in industries such as food processing, medical equipment, marine, and chemical.
  • Ceramics: Ceramic bearings are gaining popularity due to their exceptional properties. The rolling elements and raceways in ceramic bearings are made from advanced ceramic materials, such as silicon nitride (Si3N4) or zirconia (ZrO2). Ceramic bearings offer advantages like high stiffness, low friction, high temperature resistance, and resistance to corrosion and electrical insulation. They are often used in high-speed applications, high-temperature environments, and industries such as aerospace and semiconductor manufacturing.
  • Plastic: Plastic bearings are used in applications that require lightweight, low friction, and resistance to chemicals or moisture. Common plastic materials used for shielded bearings include polyamide (nylon), acetal (POM), and polytetrafluoroethylene (PTFE). Plastic bearings are commonly found in industries such as electronics, automotive, and conveyor systems.
  • Hybrid: Hybrid bearings combine the advantages of different materials, typically featuring ceramic rolling elements and steel raceways. These bearings provide benefits such as reduced friction, increased speed capability, improved temperature resistance, and extended service life. Hybrid bearings are used in applications where a balance between performance, reliability, and cost is desired.

The choice of material for shielded bearings depends on factors such as the application requirements, operating conditions (such as load, speed, temperature, and environment), and cost considerations. It’s important to select the appropriate bearing material to ensure optimal performance, reliability, and longevity in a given application.

When sourcing shielded bearings, ensure that the material specifications and properties meet the specific requirements of your application. Consult with bearing manufacturers or suppliers to determine the most suitable material for your needs.

shielded bearing

How to properly install a shielded bearing?

Proper installation of a shielded bearing is essential to ensure its optimal performance and longevity. Here’s a detailed explanation of the steps involved in properly installing a shielded bearing:

  1. Prepare the work area: Start by ensuring that the work area is clean and free from dust, dirt, and other contaminants. This helps minimize the risk of introducing particles into the bearing during installation.
  2. Inspect the bearing: Before installation, inspect the shielded bearing for any signs of damage or defects. Check the shields for dents, deformations, or loosening. If any issues are found, replace the bearing with a new one to ensure proper functioning.
  3. Handle the bearing with care: Handle the shielded bearing with clean hands or gloves to prevent the transfer of contaminants. Avoid dropping or impacting the bearing, as it can cause damage to the shields or internal components.
  4. Align the bearing: Position the shielded bearing in the correct orientation and align it with the shaft or housing. Ensure that the bearing fits securely and accurately into the designated location.
  5. Apply a suitable lubricant: Before installation, apply an appropriate lubricant to the bearing’s internal components. The lubricant helps reduce friction and wear during operation. Follow the manufacturer’s recommendations for the type and amount of lubricant to be used.
  6. Install the bearing: Gently press the shielded bearing onto the shaft or into the housing using a suitable installation tool. Apply even pressure to ensure the bearing seats properly. Avoid excessive force, as it can damage the shields or distort the bearing’s internal components.
  7. Verify the proper fit: After installation, check the bearing to ensure that it is seated correctly and securely. Rotate the bearing by hand to confirm smooth movement and proper alignment.
  8. Secure the bearing: If applicable, install any locking devices, such as retaining rings or locknuts, to secure the shielded bearing in place. Follow the manufacturer’s instructions for the specific locking mechanism being used.
  9. Perform final checks: Once the bearing is installed, inspect it again for any signs of damage or misalignment. Ensure that the shields are securely in place and provide adequate coverage to the rolling elements and raceways.
  10. Document the installation: Keep a record of the bearing installation, including the date, part number, and any relevant details. This information can be useful for future maintenance or replacement purposes.

It’s important to note that the installation process may vary depending on the specific application, bearing type, and manufacturer’s recommendations. Always refer to the manufacturer’s instructions and guidelines for the proper installation of the shielded bearing.

By following these steps and taking the necessary precautions, you can ensure the proper installation of a shielded bearing, promoting its performance, reliability, and service life.

China manufacturer 6802 2RS Thin Wall Shielded 15*24*5mm ABEC3 Deep Groove Ball Bearing   bearing engineeringChina manufacturer 6802 2RS Thin Wall Shielded 15*24*5mm ABEC3 Deep Groove Ball Bearing   bearing engineering
editor by CX 2024-03-24

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