Product Description
Premium Quality FR3zz Deep Groove Ball Bearing With Two Shielded 6.35*12.7*4.978 mm For Pure Radial Load
Bearing Specification :
| Model Number | FR3zz |
| Part Name | Deep Groove Ball Bearing |
| Brand | FSK / KBE / SKB / OEM |
| Material | Stainless Steel |
| Number of Row | Single Row |
| Dimensions(mm)(d*D*b) | 6.35*12.7*4.978 mm |
| Weight / Mass ( KG ) | 3.24kg |
| HS Code | 8482800000 |
| Original Country Show | CHINA |
Bearings Detailed Pictures:
Other Bearings We Offer:
| Deep groove ball bearings | Linear ball bearings | Pillow block bearings | Clutch release bearings |
| Cylindrical roller bearings | Needle roller bearings | Thrust ball bearings | Thrust roller bearings |
| Spherical roller bearings | Ball joint bearings | Conveyor roller bearings | Angular contact ball bearings |
Our Advantage:
About FSK Factory Condition :
FAQ:
1.How can I get the bearing price?
Mike: You can leave your message on Alibaba, or conact us directly by email, , SkYPE, Viber. Tell us your quantity, usually 2-5 hours you will get the price.
2.How can I buy them?
Mike: You can place order on Alibaba, or pay the payment by Western Union, Paypal, T/T and L/C.
3. How long I can get these bearings?
Mike: for small order, we will delivery the bearings in 1-2 days after recive your payment. usually 3-5 days will arrive in your place by international express, such as DHL, TNT, UPS and so on. For big order, please contact us.
4.How to protect the bearing quality?
Mike: All procudts passed ISO9001:2008 and ISO14000 certificates. we can accept small sample order, you can check the quality.
5. Other service.
Mike: We can offer OEM service according to your demand.
FSK Bearing Company Advantages:
(1) We have first-class testing equipment to detect bearing various data parameters and control the quality of the bearing.
Whenever bearings must first detected whether the quality is qualified and the unqualified bearing will be eliminated directly.
So we can get the trust of a large number of customers, and supply them for several years.
(2) We have our own R & D capabilities, to help customers solve the problem of non-standard bearings.
We can also according to customer requirements change their own mark.
(3) Price, our manufacture ensure that our prices across China are quite competitive.
It is better for you to compare prices and quality among suppliers.
But everyone knows you can not buy the highest quality products with the lowest price,
but our product is the best quality if you use equal price.
FSK Cooperation Details
Delivery:
For Small weight or ungent ,we send by express UPS,DHL,FEDEX, or EMS,china post with Thracking number
For max production , we will ship by sea/air.
Payment Item:
TT, 30% deposit , 70% before shippment.
L/C At Sight
Paypal Or Western Union In advance
Service:
Trade Assurance
Payment Protection
Timely Delivery Guaranteed
Product Qualtity Protection
Premium Quality FR3zz Deep Groove Ball Bearing With Two Shielded 6.35*12.7*4.978 mm For Pure Radial Load , Get Cheap Price from China Bearing Factory Now !
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| Contact Angle: | 60° |
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| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Samples: |
US$ 0.5/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What is the price range for shielded bearings?
The price range for shielded bearings can vary depending on several factors, including the bearing type, size, brand, quality, and supplier. Here’s a detailed explanation of the price range for shielded bearings:
The cost of shielded bearings can range from a few dollars to several hundred dollars per bearing. The factors that influence the price of shielded bearings are as follows:
- Bearing type: Shielded bearings are available in various types, such as deep groove ball bearings, angular contact bearings, cylindrical roller bearings, and more. The price of shielded bearings can vary depending on the complexity of their design and the intended application.
- Bearing size: The size of the shielded bearing significantly impacts its price. Larger bearings that can handle higher loads and speeds tend to be more expensive than smaller bearings.
- Brand and quality: Well-known and established bearing brands typically command higher prices due to their reputation for quality and reliability. These brands often invest in research and development, precision manufacturing processes, and quality control measures to ensure their bearings meet or exceed industry standards. Lesser-known or generic brands may offer lower-priced shielded bearings, but their quality and performance may vary.
- Supplier and quantity: The supplier or distributor from which the shielded bearings are purchased can also affect the price. Different suppliers may offer different pricing structures or discounts based on factors such as order quantity, customer loyalty, or special promotions.
- Application-specific requirements: In some cases, shielded bearings may need to meet specific requirements or industry standards, such as high precision, high temperature resistance, or special certifications. Bearings designed for specialized applications or industries may come with a higher price tag due to the additional engineering and manufacturing considerations.
It’s important to note that the price of shielded bearings is usually indicated per bearing. If multiple bearings are required for an application, the total cost will depend on the quantity needed.
To get an accurate price range for shielded bearings, it’s recommended to contact bearing suppliers or distributors directly. They can provide detailed pricing information based on the specific requirements, quantity, and other factors relevant to the application. Comparing prices from different suppliers and considering the overall value, including quality, reliability, and service, is crucial in making an informed decision.
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.
How does a shielded bearing differ from a sealed bearing?
A shielded bearing and a sealed bearing are two different types of rolling bearings that offer varying levels of protection against contaminants and retention of lubrication. Here’s a detailed explanation of the differences between a shielded bearing and a sealed bearing:
Shielded Bearing:
A shielded bearing incorporates shields made of metal (typically steel or stainless steel) to cover the rolling elements and raceways of the bearing. The shields act as a physical barrier against solid contaminants, such as dust, dirt, or debris, preventing them from entering the bearing. The primary functions of the shields are to protect the internal components from contamination and retain the lubricating grease or oil within the bearing.
Shielded bearings provide moderate protection against contaminants, but they are not completely sealed. They allow for some exchange of air and limited penetration of fine particles. Shielded bearings are suitable for applications where the risk of contamination is moderate and where regular maintenance and relubrication can be performed. They are commonly designated with the suffix “Z” or “ZZ” in the bearing model or part number.
Sealed Bearing:
A sealed bearing, on the other hand, incorporates sealing elements made of synthetic rubber or other materials to provide a more effective barrier against contaminants. The seals are designed to completely enclose the internal components of the bearing and prevent the ingress of solid and liquid contaminants, such as dust, dirt, water, or chemicals.
Sealed bearings offer a higher level of protection and are suitable for applications where the risk of contamination is high or where maintenance and relubrication are more challenging. The seals help to extend the bearing’s service life, reduce the need for relubrication, and provide enhanced protection in harsh or demanding environments.
Sealed bearings are typically designated with the suffix “RS” or “2RS” in the bearing model or part number. The “RS” suffix indicates a single seal on one side of the bearing, while “2RS” indicates seals on both sides.
It’s important to note that while sealed bearings provide superior protection against contaminants, they may generate slightly more friction and heat due to the increased sealing contact compared to shielded bearings. This can result in a slightly lower operating speed or higher torque compared to shielded bearings.
The choice between a shielded bearing and a sealed bearing depends on the specific requirements of the application, including the level of contamination risk, the need for maintenance and relubrication, and the operating conditions. Consulting with bearing manufacturers, distributors, or industry experts can help in selecting the most appropriate bearing type for a given application.
Overall, shielded bearings and sealed bearings are both effective solutions for protecting rolling bearings, and the selection depends on the desired level of protection and the specific application requirements.
editor by CX 2024-03-06