Product Description
Angular contact ball bearings are CZPT to support radial load and axial load. As single row angular contact ball bearings can only support axial load in single direction, matched bearing mounting is often adopted to them as matched parts of bearings, preload for them is more convenient.
Retainers are made of brass, synthetic resins or others subject to individual bearing features and application conditions.
Angular contact ball bearing include:
1) Single row angular contact ball bearing
2) Matched angular contact ball bearing
3) Double row angular contact ball bearing
4) Four-point contact ball bearing
Angular contact ball bearings features :
1) Load capacities are higher than deep groove ball bearings of same dimensions;
2) Used for bearing radial-axial combined loads or pure thrust loads;
3) Low operating friction and high limiting speed.
|
Type |
Angular contact ball bearing |
|
Material |
GCr15/stainless steel/carbon steel/Plastic/Ceramic |
|
Bore size |
35 mm |
|
Outer diameter |
72 mm |
|
Width |
30.2 mm |
|
Seal type |
Open RS Z 2RS ZZ |
|
Cage |
Stamping steel/Brass/Nylon/Ceramic |
|
Certificate |
ISO9001:2000 |
|
Application |
Automobile, tractor, machine tool, electrical machine, water pump, agriculture machine, textile machine, etc. |
|
Packaging |
Original brand Plastic bag+Original brand Paper box+Original brand Carton box+Wooden pallet; Customer’s special requests are acceptable. |
|
Service |
OEM service, Customization service, Customers’ Logo service; |
|
Complete process for the production and quality assurance ensures our products can meet your requirement. We are committed to be responsible for each set of bearing and industrial products sold to our clients. Relying on strong resource network, we can supply any bearing with competitive price to meet each customer’ demand and guarantee each customer’s benefit. |
|
Company Profile
In order to meet the needs of the masses of customers and improve the market competitiveness of our company,
we can provide OEM service according to our customers′ Needs. We have gained ISO9001 certificate, CE certificate,
GOST certificate and SGS certificate. Our target is to carry out the strategic investment along with the development
of market and need of new products. With our strategic, excellent products, top technology and outstanding service,
we sincerely expect cooperation with more customers and friends for a better future. Our main products include
spherical roller bearing, deep groove ball bearings, cylindrical roller bearings, spherical roller bearings, needle roller
bearings, ball bearing units, water pump bearings, automobile bearing, linear motion bearing, oil-less bearings,
bush and self-lubricating bearings, and non-standard bearings. Also, we supply bearings to our domestic peeling
machine factory and the machine exported to India, Malaysia and Russia, no any complaint from customer until now.
“zero defect, zero complaints” as the quality objective.
FAQ
Q: Are you trading company or manufacturer ?
A: We are a trading company specializing in exporting bearings.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the
goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge
Q.You provide free consultation service?
Yes, before, during and after order, anytime.
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| Product Name: | Angular Contact Ball Bearing |
|---|---|
| Characteristic: | High Precision |
| Advantage: | Large Bearing Capacity |
| Holder: | Copper and Iron Retainers |
| Quality: | High Quality |
| Rolling Body: | Roller Bearings |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Can you describe the various types of seals and shields used with plastic bearings for contamination prevention?
Yes, I can describe the various types of seals and shields used with plastic bearings for contamination prevention. Here’s a detailed explanation:
- 1. Contact Seals:
Contact seals, also known as lip seals or rubber seals, are common types of seals used with plastic bearings. These seals are made of elastomers such as nitrile rubber (NBR) or fluorocarbon rubber (FKM) and provide a physical barrier between the bearing and the external environment. Contact seals have a lip that makes direct contact with the inner or outer ring of the bearing, effectively preventing the entry of contaminants such as dust, dirt, or moisture. They offer good sealing performance and are suitable for applications with moderate operating speeds and temperatures.
- 2. Non-Contact Seals:
Non-contact seals, also known as labyrinth seals or gap seals, are designed to minimize friction and allow for higher operating speeds. These seals consist of multiple labyrinth-like grooves or channels that create a tortuous path for contaminants, preventing their entry into the bearing. Non-contact seals are typically made of materials like plastic or metal. They offer reduced heat generation, lower torque, and increased efficiency compared to contact seals. However, they may not provide as high a level of contamination protection in extremely dusty or wet environments.
- 3. Shields:
Shields, also referred to as metal shields or metal covers, are used with plastic bearings to provide a barrier against contaminants. Shields are generally made of metal, such as stainless steel or sheet steel, and are attached to the outer ring of the bearing. They have a gap or clearance between the shield and the inner ring, allowing for smooth rotation while preventing larger particles or debris from entering the bearing. Shields offer good protection against coarse contaminants and are suitable for applications with moderate speeds and temperatures.
- 4. Combination Seals and Shields:
In certain applications, a combination of seals and shields may be used to provide enhanced contamination prevention. These combination seals and shields offer a dual-layered protection system. For example, a plastic bearing may have a contact seal on one side to provide effective sealing against contaminants, while a shield is used on the other side to provide additional protection and allow for visual inspection or lubrication access. This combination approach offers flexibility and adaptability to different operating conditions and contamination risks.
- 5. Customized Sealing Solutions:
In addition to standard seals and shields, customized sealing solutions can be developed based on specific application requirements. Custom seals or shields can be designed to address unique challenges such as extreme temperatures, aggressive chemicals, or high-pressure environments. These specialized sealing solutions ensure optimal contamination prevention and performance in demanding applications.
In summary, plastic bearings can be equipped with various types of seals and shields for contamination prevention. Contact seals, non-contact seals, shields, and combination seals and shields are commonly used to provide a barrier against contaminants such as dust, dirt, or moisture. The selection of the appropriate sealing solution depends on factors such as operating conditions, contamination risks, speed requirements, and specific application needs. By effectively preventing contamination, these seals and shields contribute to the reliable and long-lasting performance of plastic bearings in diverse industrial and mechanical applications.
What are the potential challenges or limitations of using plastic bearings in specific industries?
While plastic bearings offer numerous advantages, they also have certain challenges and limitations when used in specific industries. Here’s a detailed explanation of the potential challenges or limitations:
- 1. Temperature Limitations:
One of the limitations of plastic bearings is their temperature limitations. Different types of plastic materials have varying temperature ranges within which they can operate effectively. In high-temperature environments, plastic bearings may experience reduced load capacity, increased friction, or even deformation. Therefore, in industries such as aerospace, automotive, or heavy machinery, where high temperatures are common, alternative bearing materials may be more suitable.
- 2. Load Capacity:
Plastic bearings generally have lower load carrying capacities compared to their metal counterparts. They may not be suitable for applications with extremely high loads or heavy machinery where substantial forces are involved. Exceeding the load capacity of plastic bearings can lead to premature wear, deformation, or failure. Therefore, in industries that require heavy-duty applications or high load capacities, metal bearings or other robust bearing solutions may be preferred.
- 3. Speed Limitations:
Plastic bearings may have limitations when it comes to high-speed applications. The speed at which plastic bearings can operate effectively without experiencing excessive friction, heat buildup, or wear is typically lower compared to metal bearings. In industries that require high rotational speeds, such as industrial machinery or automotive applications, alternative bearing materials or specialized designs may be necessary to handle the demands of high-speed operation.
- 4. Chemical Compatibility:
While plastic bearings offer excellent chemical resistance to a wide range of substances, they may not be compatible with certain aggressive chemicals or solvents. Some chemicals can cause degradation, swelling, or softening of certain plastic materials, affecting the performance and lifespan of the bearings. In industries where exposure to harsh chemicals is prevalent, it is crucial to select plastic bearings that are specifically designed to withstand the specific chemical environment or consider alternative bearing materials.
- 5. Abrasion and Wear:
Plastic bearings may be more susceptible to abrasion and wear compared to metal bearings, especially in applications involving abrasive particles or high levels of friction. While plastic bearings are designed to resist wear, prolonged exposure to abrasive conditions can lead to increased wear rates and reduced lifespan. In industries such as mining, construction, or material handling, where abrasive contaminants are present, additional protective measures or alternative bearing materials may be necessary to ensure long-term performance.
- 6. Application-Specific Considerations:
Each industry has its specific requirements and operating conditions that must be considered when selecting bearings. Factors such as load type, vibration, shock, moisture, and environmental conditions can impact the suitability of plastic bearings. It is essential to evaluate the specific application requirements and consult with bearing manufacturers or industry experts to determine whether plastic bearings can meet the demands of the particular industry.
In summary, while plastic bearings offer many advantages, they also have limitations in specific industries. Temperature limitations, load capacity, speed limitations, chemical compatibility, abrasion and wear susceptibility, and application-specific considerations are important factors to consider when deciding whether plastic bearings are suitable for a particular industry or if alternative bearing materials should be considered.
What are the common types of plastic materials used for plastic bearings, such as PTFE or nylon?
Plastic bearings can be made from various types of plastic materials, each offering unique properties and advantages. Here are some common types of plastic materials used for plastic bearings:
- 1. PTFE (Polytetrafluoroethylene):
PTFE is a widely used plastic material for bearings due to its excellent low friction and self-lubricating properties. PTFE bearings have a low coefficient of friction, which reduces wear and energy consumption. They can operate without additional lubrication, making them suitable for applications where lubrication is challenging or undesirable. PTFE bearings also have high chemical resistance and can withstand a wide temperature range.
- 2. Nylon (Polyamide):
Nylon is another common plastic material used for bearings. It offers good wear resistance, low friction, and high strength. Nylon bearings can handle moderate loads and have self-lubricating properties. They are also resistant to chemicals and have excellent dimensional stability. Nylon bearings are often used in applications such as conveyor systems, automotive components, and machinery.
- 3. POM (Polyoxymethylene):
POM, also known as acetal or Delrin, is a versatile engineering plastic used in bearings. POM bearings have low friction, high wear resistance, and good dimensional stability. They exhibit excellent strength and stiffness, making them suitable for applications with moderate loads. POM bearings are often used in industries such as automotive, electronics, and consumer goods.
- 4. UHMWPE (Ultra-High Molecular Weight Polyethylene):
UHMWPE is a plastic material known for its exceptional wear resistance and impact strength. UHMWPE bearings can withstand heavy loads, have a low coefficient of friction, and offer good chemical resistance. They are often used in applications where high abrasion resistance and durability are required, such as in material handling equipment, conveyor systems, and agricultural machinery.
- 5. PEEK (Polyetheretherketone):
PEEK is a high-performance plastic material with excellent mechanical properties and temperature resistance. PEEK bearings can operate at high temperatures, making them suitable for applications in demanding environments. They offer low friction, good chemical resistance, and high strength. PEEK bearings are commonly used in aerospace, automotive, and medical applications.
These are just a few examples of the plastic materials used for plastic bearings. Other plastic materials, such as polyimide, PPS (polyphenylene sulfide), or PVDF (polyvinylidene fluoride), can also be used depending on the specific application requirements. The choice of plastic material for a plastic bearing depends on factors such as load capacity, temperature range, chemical compatibility, and friction characteristics.
editor by CX 2024-05-03