China Professional 6812 2RS Thin Wall Shielded 60*78*10 mm ABEC3 Deep Groove Ball Bearing carrier bearing

Product Description

Product Description

6800 series deep groove ball bearings
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
Water Pump Parts: Water Pump Bearing
Air Compressor Parts: Air Compressor Bearing
Samples:
US$ 50/Piece
1 Piece(Min.Order)

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black or white or as required
Customization:
Available

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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 is the lifespan of a shielded bearing?

The lifespan of a shielded bearing can vary depending on various factors, including the application, operating conditions, maintenance practices, and quality of the bearing itself. Here’s a detailed explanation of the factors that influence the lifespan of a shielded bearing:

Application: The specific application in which the shielded bearing is used plays a significant role in its lifespan. Factors such as the type of equipment, load magnitude, speed, and operating environment can impact the bearing’s longevity. For example, a shielded bearing used in a high-speed machining center may have a different lifespan compared to a bearing used in a conveyor system with moderate speeds.

Operating Conditions: The operating conditions, including temperature, humidity, contamination levels, and vibration, can affect the bearing’s lifespan. Extreme temperatures, corrosive environments, or high levels of dust and debris can accelerate wear and decrease the bearing’s life. Adequate lubrication and proper sealing can help protect the bearing and extend its lifespan.

Maintenance Practices: Regular maintenance and proper handling can significantly impact the lifespan of a shielded bearing. Maintenance activities such as lubrication, inspection, and monitoring can help identify potential issues and prevent premature failure. Improper handling during installation or maintenance procedures can introduce damage to the bearing, reducing its lifespan.

Bearing Quality: The quality of the shielded bearing itself is crucial in determining its lifespan. Bearings from reputable manufacturers that adhere to stringent quality control processes and use high-quality materials tend to have longer lifespans. It’s advisable to select bearings from reliable sources and ensure they meet industry standards and specifications.

Load and Speed: The magnitude and direction of the load and the operating speed have a direct impact on the bearing’s lifespan. Bearings designed for higher load capacities and speeds are typically more durable and have longer lifespans. Exceeding the manufacturer’s recommended load or speed limits can lead to premature wear and failure.

Given the various factors influencing a shielded bearing’s lifespan, it’s challenging to provide a specific duration. However, with proper selection, installation, and maintenance, shielded bearings can typically provide satisfactory performance and lifespans ranging from several thousand to several hundred thousand hours of operation.

It’s essential to consult with bearing manufacturers, review their technical specifications and guidelines, and consider the application-specific factors to estimate the expected lifespan of a shielded bearing accurately. Additionally, monitoring the bearing’s condition through regular inspections and implementing proactive maintenance practices can help optimize its lifespan and minimize unexpected failures.

shielded bearing

How to maintain and clean shielded bearings?

Proper maintenance and cleaning are crucial for ensuring the optimal performance and longevity of shielded bearings. Here’s a detailed explanation of how to maintain and clean shielded bearings:

  1. Regular Inspection: Periodically inspect the shielded bearings for any signs of damage, wear, or contamination. Check the shields for dents, deformations, or loosening. Inspect the rolling elements and raceways for signs of pitting, scoring, or abnormal wear. If any issues are found, replace the bearing or take appropriate corrective actions.
  2. Clean Work Environment: Before performing any maintenance on shielded bearings, ensure 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 maintenance.
  3. Use Proper Tools: When handling shielded bearings, use appropriate tools and equipment to avoid damaging the shields or internal components. Avoid using tools with sharp edges that can scratch or deform the shields.
  4. Cleaning Procedure: To clean shielded bearings, follow these steps:
    1. Remove the shields: Carefully remove the shields from the bearing using suitable tools. Be gentle to avoid damaging the shields or bending them out of shape.
    2. Clean the shields: Clean the removed shields using a mild solvent or degreaser. Gently wipe away any dirt or debris using a soft, lint-free cloth. Avoid immersing the shields in solvents for an extended period as it can damage the shields.
    3. Clean the internal components: If necessary, clean the internal components of the bearing using a suitable solvent or degreaser. Use a soft, lint-free cloth or a soft-bristle brush to remove any dirt or old lubricant. Ensure that the solvent used is compatible with the bearing material.
    4. Dry the components: Allow the cleaned shields and internal components to air dry completely or use a low-pressure air source to remove any residual solvent or moisture.
    5. Lubricate the bearing: Apply an appropriate lubricant to the cleaned internal components. Follow the manufacturer’s recommendations for the type and amount of lubricant to be used.
    6. Reinstall the shields: Carefully reinstall the cleaned shields onto the bearing, ensuring they are properly aligned and securely seated.
  5. Relubrication: Depending on the operating conditions and manufacturer’s recommendations, shielded bearings may require periodic relubrication. Monitor the lubricant condition and replenish it as needed. Follow the manufacturer’s guidelines for the relubrication interval and the type of lubricant to be used.
  6. Document Maintenance: Keep a record of the maintenance activities performed on the shielded bearings, including the date, cleaning procedure, lubrication details, and any observations or issues. This documentation can help track the maintenance history and plan future maintenance activities.

It’s important to note that the maintenance requirements may vary depending on the specific application, bearing type, and operating conditions. Always refer to the manufacturer’s instructions and guidelines for the proper maintenance and cleaning procedures of the shielded bearings.

By following these maintenance and cleaning practices, you can ensure the optimal performance and longevity of shielded bearings, minimizing the risk of premature wear, contamination, or failure.

China Professional 6812 2RS Thin Wall Shielded 60*78*10 mm ABEC3 Deep Groove Ball Bearing   carrier bearingChina Professional 6812 2RS Thin Wall Shielded 60*78*10 mm ABEC3 Deep Groove Ball Bearing   carrier bearing
editor by CX 2024-03-23

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