China supplier Ss695-Zz ABEC-5 Stainless Steel Ball Bearings bearing assembly

Product Description

Type No. Metric Type Bore Size: 1.50mm up to 12mm
Inch Type Bore Size: 0.0781″ up to 0.75″ 
Flanged Metric Type Bore Size: 1.50mm up to 12mm
Flanged Inch Type Bore Size: 0.0781″ up to 0.75″ 
Materials Inner/Outer Race AISI440C, AISI420
Balls AISI440C, AISI420, Si3N4 Ceramic
Retainer Rivet Cage, Crown Cage, Nylon Cage
Seals/Shields ZZ, ZZS, TTS, 2RS, 2RU
Precision ABEC-1, ABEC-3, ABEC-5, ABEC-7
Vibration & Noise Z1, Z1V1, Z2V1, Z2V2, Z3V3
Lubrication SRL,PS2, B325, SRI#2,  M28, Oil Lube, Dried, etc..

We mainly focuses on stainless steel small-sized ball bearings with full ranges. We’re especially good at the production of Extra-thin bearings, Bearings with flange, Hybrid Ceramic ball bearings, Non-standard bearings and Bearings with Teflon seals.

After decade of experiences to understand bearings and the needs of our clients, we spent much time and achieved enough capability for customized bearings, and continuously develop brilliant solutions for end-users. 

Applications: 
1). fishing equipments
2). hobby models
3). remote radio control products
4). power transmissions
5). medical instruments
6). office appliances, and more…

Q1: Can I get a free sample?
A1: We provide samples free in freight collected. For special samples requirement, please contact us for more details. 
Q2: How could I pay?
A2: We prefer T/T or L/C at sight. If you prefer other payment terms, please contact us freely.
Q3: What is your brand and packing way? Can you produce my brand and packing?
A3: Our brand is SGC and our own packing materials. We can make your brand. For more details, please contact us.
Q4: What is the delivery lead time?
A4: It depends on the order quantities. The mass production lead time is about 45-60 days after receipt of the deposit. 
Q5: Are you manufacturer or  trading company?
A5: We are manufacturer and exporter. We provide all kinds of OEM services for clients around the world.
Q6: Where is your main market?
A6: We export to the North America, Mexico, Australia, South-east Asia, Europe, U.A.E., Turkey, and other countries.

Our Services
1. Professional QC and QA team to make sure all products qualified before shipping.
2. Competitive price.
3 .Standard package to ensure the safe transportation.
4. Professional service.

Why choose us?
1. Production
    Qualified production, competitive price, professional service. 
2. Quality
    All products are inspected 100% before shipment by relative testing equipments.

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Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Materials of Races: AISI440c
Materials of Balls: AISI440c
Samples:
US$ 0/Set
1 Set(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

shielded bearing

Are shielded bearings corrosion-resistant?

Shielded bearings can provide some level of corrosion resistance, but their resistance to corrosion depends on various factors such as the bearing materials, the type of shield used, and the operating conditions. Here’s a detailed explanation of the corrosion resistance of shielded bearings:

1. Bearing materials: The choice of materials used in the construction of shielded bearings can significantly impact their corrosion resistance. Common materials for shielded bearings include stainless steel, chrome steel, and ceramics. Stainless steel bearings are particularly known for their corrosion resistance due to the presence of chromium, which forms a passive oxide layer on the surface, protecting the bearing from corrosive elements. Chrome steel bearings, on the other hand, are less corrosion-resistant and may require additional measures for corrosion protection.

2. Shield type: Shielded bearings are equipped with shields that provide a barrier between the bearing’s internal components and the external environment. Shields can be made of various materials, including metal or non-metallic materials. Metal shields, such as steel or stainless steel, can offer better corrosion resistance compared to non-metallic shields, such as rubber or plastic. Metal shields provide a physical barrier against moisture, contaminants, and corrosive agents, reducing the likelihood of corrosion.

3. Operating conditions: The operating conditions in which shielded bearings are used can influence their corrosion resistance. Factors such as temperature, humidity, exposure to chemicals or corrosive substances, and the presence of water or moisture can contribute to corrosion. In environments with high humidity or exposure to corrosive substances, additional measures, such as proper sealing or the use of corrosion-resistant coatings, may be necessary to enhance the corrosion resistance of shielded bearings.

4. Maintenance and lubrication: Regular maintenance and proper lubrication of shielded bearings can contribute to their corrosion resistance. Lubricants can act as a protective barrier between the bearing surfaces and the surrounding environment, helping to prevent direct contact with corrosive agents. It’s important to use lubricants that are compatible with the bearing materials and provide adequate corrosion protection. Regular inspection and re-lubrication, as recommended by the bearing manufacturer, can help detect and mitigate any corrosion-related issues.

While shielded bearings can offer a certain level of corrosion resistance, it’s important to note that they may not be suitable for highly corrosive environments or applications where corrosion resistance is of utmost importance. In such cases, alternative bearing options, such as sealed or corrosion-resistant bearings, may be more appropriate.

When selecting shielded bearings for applications where corrosion resistance is a concern, it’s recommended to consult with the bearing manufacturer for specific recommendations and to consider factors such as the bearing materials, shield type, and the anticipated operating conditions.

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

What are the advantages of using shielded bearings?

Shielded bearings offer several advantages over other types of bearings. Here’s a detailed explanation of the advantages of using shielded bearings:

  • Contamination Protection: One of the main advantages of shielded bearings is their ability to provide protection against contamination. The shields act as a physical barrier, preventing dust, dirt, moisture, and other contaminants from entering the bearing. This helps maintain the cleanliness of the internal components, reducing the risk of premature wear, damage, or failure.
  • Lubrication Retention: Shielded bearings also help retain lubrication within the bearing. The shields help to contain the lubricant and prevent it from escaping or being contaminated by external factors. This ensures that the rolling elements and raceways are adequately lubricated, reducing friction and wear, and promoting smoother operation and extended bearing life.
  • Simplicity and Cost-Effectiveness: Shielded bearings are relatively simple in design, consisting of an outer shield and an inner ring with rolling elements. This simplicity makes them easy to install and maintain. Additionally, shielded bearings tend to be more cost-effective compared to other bearing types, making them suitable for a wide range of applications.
  • Space-Saving: Shielded bearings have a compact design and do not require additional sealing components. This makes them space-saving and allows for more efficient use of available space in various applications and systems.
  • Speed and Temperature Capability: Shielded bearings are capable of operating at high speeds and handling moderate temperature variations. They are designed to provide stable performance and low friction even under demanding operating conditions.
  • Versatility: Shielded bearings are available in a variety of sizes, configurations, and materials to suit different application requirements. They can be used in a wide range of industries and systems, including automotive, industrial machinery, appliances, and more.
  • Easy Replacement: In the event of bearing failure or maintenance requirements, shielded bearings are relatively easy to replace. The shields can be removed to access the internal components for inspection, lubrication, or replacement, simplifying the maintenance process.

It’s important to note that while shielded bearings offer advantages in terms of contamination protection and lubrication retention, they may not provide the same level of sealing effectiveness as sealed bearings or other specialized bearing types. The choice of bearing type should be based on the specific requirements and operating conditions of the application.

By leveraging the advantages of shielded bearings, you can enhance the performance, reliability, and service life of rotating equipment and systems.

China supplier Ss695-Zz ABEC-5 Stainless Steel Ball Bearings   bearing assemblyChina supplier Ss695-Zz ABEC-5 Stainless Steel Ball Bearings   bearing assembly
editor by CX 2024-01-15

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