Product Description

Ball Roller Ball Transfer Unit Ball Bearing Roller Conveyor Ball Roller Ball Transfer Bearing Roller Transfer Bearing Roller Ball Transfer Bearing

 

Specification
Material and Dimensions As description chart below   Quality Control 100% Inspection
Price Negotiated Lead Time 3 Days-7 Days
Port HangZhou or HongKong Shipping By Sea, Air or Express
Packing Poly bag-small box-carton with lable Custom OEM/ODM
Call us please, we show more details of products.Thank you very much.
We are a manufacturer of spring plungers of any drawing for OEM also.

Product Description

Detailed Photos

Certifications

Packaging & Shipping

FAQ

1.How long is your delivery time?

Generally our delivery time is 15 to 30 days . But different products and quantities have different procedures and timing.we promise that we”ll try our best to finish your orders within the shortest time.For more information, please contact us.

2.Is the MOQ fixed?

For most orders,the MOQ can’t be lowered according to the required quantities.For stock items,the quantities can be negotiated.

3.What is the Surface Treatment?

Galvanized, Yellow zinc plated,H D G .

4.What is your material?

stainless steel and carbon steel .It also can according to your requirements.

5.DO you provide samples?

yes .

6.Where is the port of shipment?

FOB:HangZhou or HongKong.

7.What are your terms of payment?

PAYMENT BY T/T IN ADVANCE , West union,Paypal and etc.

8. Are customized products accepted?

You idea and imagine,we design and make.It is fully self-customized.

9. Any discount possible if I place an order?

Yes,we have different price ranges (discounts)according to your quantities.You can consult us anytime.

10. Shipping

& For samples or small order, can be delivered by express of DHL, UPS, FedEx, TNT, HKDC at the buyer convenience, or by other express to save the buyer cost or shorten the transit time at the buyer request.

& For mass order delivery, can be optional with terms of Ex-work, FOB by air or by sea based on the buyer forwarder or our recommended local forwarder at the buyer convenience.

&To save the buyer shipping cost, we can also offer Chinese cheap cost from our local forwarder for our buyer more selections.

Our Services

1.100% manufacturer

Our factory is in Changan town, HangZhoucity,ZheJiang province,China with 100 staffs who is with best creditability, reliability at your absolute promise . We have many years production experience and export experience.

2.Best material selection

 All our goods are made of best materials from the best suppliers .

3.Good service

We definitely produce all goods by ourselves . It is the top service from material die-cutting, polishing, craftsmanship, QC, packing, delivery, therefore quality is 100% assured .

4.Quality control

Every single piece of product, every production, procedure is inspected and controlled before packing the goods into export carton.We ensure every of product shipped are of good quality.

5. After sales service provided

 Besides, after sales service is necessary for more understanding for your needs. We do keep a close concern.

Contact Us

Please do not hesitate to contact us if there is any further question, we have product at competitive prices with high quality.

   Robert Hsu

 

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Price: Negotiated
Quality Control: 100% Inspection
Service: OEM ODM
Lead Time: 3-7 Days
Delivery Time: 7 Days on Thn Way Around by FedEx/UPS/DHL/TNT
Delivery Way: by Sea, Air, Express
Samples:
US$ 2/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:

  • Unusual Noise:

If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.

  • Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

  • Increased Temperature:

Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.

  • Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

  • Reduced Performance:

If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.

  • Visible Wear or Damage:

Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.

  • Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

  • Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

  • Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

  • Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

ball bearing

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?

Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:

  • Design and Geometry:

Deep Groove Ball Bearings:

Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.

Angular Contact Ball Bearings:

Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.

  • Load Carrying Capacity:

Deep Groove Ball Bearings:

Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.

Angular Contact Ball Bearings:

Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.

  • Contact Angle:

Deep Groove Ball Bearings:

Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.

Angular Contact Ball Bearings:

Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.

  • Applications:

Deep Groove Ball Bearings:

Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.

Angular Contact Ball Bearings:

Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.

  • Limitations:

Deep Groove Ball Bearings:

Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.

Angular Contact Ball Bearings:

Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.

In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

ball bearing

How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?

Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:

  • Design:

Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.

Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.

  • Friction and Efficiency:

Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.

Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.

  • Load Capacity:

Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.

Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.

  • Variability:

Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.

Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.

  • Speed Capability:

Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.

Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.

  • Applications:

Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.

Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.

In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.

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editor by CX 2024-02-26