China factory Wellgo 608-2RS Ball Bearings Skateboard Bearings Double Rubber Sealed Shielded Miniature Deep Groove Bearings wheel bearing

Product Description

Deep Groove Ball Bearings are 1 of the most widely used rolling bearings. They are used to accommodate radial and axial loads in both directions. With small friction and high-limit speed, Ball Bearings are cost-effective and require little maintenance. These cost-effective bearings are widely used in areas with low requirements for Mohs hardness. Suitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on.

Size 608 

Model List

Actual Warehouse

Certifications make sure that the quality is guaranteed.
Exhibition: China Import and Export Fair in HangZhou

Our Team Tenet: Never give up, we are best team.
Do what others don’t want to do,
Do what others don’t dare to do, 
And do what others can’t.

Our bearings are sold to many countries in the world.

Terms of Payment: 
1.Payment/Amount lower than =1000USD 30%T/T in advance,balance before shipment.
2.We receive D/L, T/T, Western Union, Moneygram,Paypal, via ALILIBABA insurance order and so on.

Transport by sea or air, by express

 

FAQ:
1.Q:Do you know the Detail Size for the Bearing ?
A: I have been working in bearings for 18 years and in technical positions for 12 years.
B:We have bearing bearing research institute, the company has bearing training class
2.Q: This Size of Bearing is common parts?
A:These are standard size bearing.
B:We can order non-standard bearings, because we launch a non-standard bearing every 10 days
3.Q:Are you a factory or a Trade Company for Bearing ?
A: We have had our own bearing production plant for 20 years and our own sales team for 16 years

4.Q:How many the MOQ of the Bearing?
A:1pcs accept for the standard size. If you purchase the Non-Standard for BearingThe MOQ is 5000pcs.

5.Q:Could you supply free sample of bearing for our test?
A:Yes,Free sample can be offer.
6.Q:Could you accept OEM and customize?
A:Yes, OEM is accepted and we can customize for you according to sample or drawing.
7.Q:Do you have stocks?
A:Yes, most of the bearings showing on alibaba are in stock,
B ,We have plenty of stock. We have our own warehouses in America and Germany
8.Q : Why choose us ?
A: With experiences over 20 years.
B. Strict inspection and high quality with reasonable price.
C. OEM service provided.
D. Delivery time is short. We will deliver goods on time as agreed in the contract. If the delivery is delayed for 1 week, 1% of the contract amount will be reduced, 2% of the contract amount will be reduced for 2 weeks, and so on.
E,(a): 20% T/T in advance .75% against copy of B/L, After the goods arrive at your company, the remaining 5% will be paid within 15-30 days after the goods are used satisfactorily. The remaining payment will not be paid if the goods are not satisfied
(b)20% T/T in advance .75% against L/C at sight, , After the goods arrive at your company, the remaining 5% will be paid within 15-30 days after the goods are used satisfactorily. The remaining payment will not be paid if the goods are not satisfied
F, there is no reply within 12 hours, 0.5% of the contract amount will be reduced, 1% of the contract amount will be reduced if there is no reply within 24 hours, and so on
9.Q: What kinds of bearing you supply?
A: main products are ball bearing,pillow block bearings , plastic bearing, ceramic bearing,  and industrial tools, etc, as per customers’ drawings or samples. 
10.Q:When inspecting bearings, what should we need to consider?
A: The precision of the bearings (dimension tolerance, loading rate), internal clearance and hardness under heat treatment, structure of cage and material.
11.Q;Your product certifications?
A: ISO 9001:2008, RoHS.
 12 .Q: Can I have a sample order?
A: Yes, it is available to check quality first. Mixed samples are also acceptable.
 13.Q: What about the lead time?
A: 3-7 days for samples, 3-4 weeks for mass production.

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Contact Angle: 0
Aligning: Non-Aligning Bearing
Separated: Unseparated
Samples:
US$ 0.01/Piece
1 Piece(Min.Order)

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Order Sample

tested quality
Customization:
Available

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Customized Request

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

shielded bearing

How to identify the specifications of a shielded bearing?

Identifying the specifications of a shielded bearing is essential for selecting the appropriate replacement or determining compatibility with a specific application. Here’s a detailed explanation of how to identify the specifications of a shielded bearing:

  1. Manufacturer markings: Start by examining the bearing for any markings or labels provided by the manufacturer. These markings typically include important information such as the manufacturer’s logo, bearing part number, and sometimes additional codes or symbols.
  2. Bearing part number: The bearing part number is often the most crucial piece of information for identifying the specifications of a shielded bearing. It usually consists of a combination of letters, numbers, and symbols unique to that specific bearing model. The part number can be used to cross-reference with the manufacturer’s catalog or website to obtain detailed specifications.
  3. Bearing type and series: Determine the type of shielded bearing, such as deep groove ball bearing, angular contact bearing, or cylindrical roller bearing. Additionally, note the bearing series, which indicates the design and performance characteristics of the bearing within a specific size range.
  4. Size dimensions: Measure the bearing’s inner diameter (ID), outer diameter (OD), and width (or thickness). These dimensions are commonly expressed in millimeters (mm) and are crucial for ensuring compatibility with the bearing housing or shaft.
  5. Load and speed ratings: The load and speed ratings of a shielded bearing indicate its capacity to handle radial and axial loads, as well as its maximum allowable rotational speed. These ratings are typically specified by the manufacturer and can be found in their catalog or technical documentation.
  6. Bearing materials: Take note of the materials used in the construction of the shielded bearing, especially the inner and outer rings, rolling elements, and shields. Common materials include stainless steel, chrome steel, ceramics, and various types of polymers. The choice of materials can affect the bearing’s performance and suitability for specific environments.
  7. Sealing or shielding type: Determine the specific type of shield used in the bearing, such as metal shields (usually made of steel or stainless steel) or non-metallic shields (such as rubber or plastic). This information is important for understanding the level of protection provided by the shield against contaminants and debris.
  8. Additional features: Some shielded bearings may have additional features or specifications, such as special coatings for enhanced corrosion resistance, high-temperature capabilities, or specific industry certifications. These features should be identified and considered if they are relevant to the intended application.

It’s important to note that the above steps provide a general guideline for identifying the specifications of a shielded bearing. The specific information and format may vary depending on the manufacturer and bearing model. Consulting the manufacturer’s catalog, technical documentation, or reaching out to their customer support can provide more detailed and accurate information about the bearing’s specifications.

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 factory Wellgo 608-2RS Ball Bearings Skateboard Bearings Double Rubber Sealed Shielded Miniature Deep Groove Bearings   wheel bearingChina factory Wellgo 608-2RS Ball Bearings Skateboard Bearings Double Rubber Sealed Shielded Miniature Deep Groove Bearings   wheel bearing
editor by CX 2024-04-03

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