China high quality Low Price HK Series Stamping Drawn Cup Needle Roller Bearings for Crane ball bearing

Product Description

20mm Drawn Cup Needle Roller Bearing HK2016 HK2571

 

Needle roller bearings (needle bearing) is a cylindrical roller with a roller bearing, relative to its diameter, roller both thin and long. This is called needle roller. Despite having a smaller cross-section, has a higher load bearing capacity, equipped with a thin and long needle bearing roller (roller diameter D2.5, L is the length of the roller), therefore radial structure is compact, its diameter size and load capacity and other types of bearings, minimum diameter, especially for radial mounting dimensions restricted support structure.

According to different occasions, can be used without inner ring of the bearing or needle roller and cage assembly, when the surface of the journal bearing surface and shell holes as bearing directly match the outer rolling surface, in order to ensure the load capacity and operating performance and have the same ring bearing, shaft or housing bore raceway surface hardness, machining accuracy and surface quality should be similar roller bearing rings. Such bearings can only bear radial load.

Application:
Needle roller bearings are widely used in cars, compressors, construction, electric motors, food industry, home appliances etc. As a rolling element, it turns the world.

 
 

Product Description

P/N

Drawn Cup Needle Roller Bearing HK384825 TA 3825 Size 38*48*25mm for baw BAW

Precision

ABEC-1

Type

Needle Roller Bearings

Lubrication

Oil

Material

Chrome Steel

Package

Plastic Bag and Box

Payment Item

T/T ,Western Union , Paypal ,Credit card

Delivery time

3-10day

1.Bearing Specifications :
Needle roller bearings use long, thin cylindrical rollers to support radial loads. These needle rollers have a length that is
typically 3 to 4 times its diameter. Needle roller bearings have a thinner cross section than other roller bearings and are ideal for limited-space applications that require carrying heavy loads. Drawn cup needle roller bearings have a deeply drawn, thin-walled outer ring. Caged drawn cup units contain a one-piece cage to CZPT and retain the rollers. Full-complement drawn cup units include the maximum number of rollers that can be retained by the outer shell. The drawn design allows for cost-effective accommodation of heavy radial loads. Needle roller and cage assemblies do not contain inner or outer rings. Instead, the self-contained bearing components work with a shaft or housing bore used as a raceway.

 

Product Parameters

 

oduct Name

Needle Roller Bearing

Brand

TBJ

Model Number

OWC408

Dimension

4x8x8mm

Quality Control Process

1.Assembly

2.Windage test

3.Cleaning

4.Rotary test

5.Greasing and gland

6.Noise inspection

7.Appearance inspection

8.Rust prevention

9.Product packaging

Application

Medical equipment,cryogenic engineering,optical instrument,high-speed motor,printing machinery,food processing machinery.

 

Our Advantages

Advantages of needle roller bearings

Needle roller bearings are equipped with thin and long rollers. Therefore, the radial structure is compact.

When the inner diameter and load capacity are the same as other types of bearings, the outer diameter is the smallest. It is especially suitable for the support structure with limited radial installation size.

Needle roller bearings should be combined with bearing rings and applications depending on the application occasions, machining accuracy and surface quality

 

  

 

Product Application

2.Application of Bearing :
1.Needle roller bearing: used in automobile engine, transmission, crawler wheel of excavator, compressor, crane, etc.2.Combined needle roller bearing is widely used in machine tools, metallurgical machinery, textile machinery, printing machinery and other mechanical equipment, and can make the mechanical system design very compact and smart.

Company Profile

 

Packaging & Shipping

II.PACKAGING & SHIPPING
1) Inner Plastic Bag+ Paper Box + Carton(+Pallet);  
2) Small sizes:Plastic Tube + Carton  
3) Big sizes:Wooden Case    
1)Less than 45 KGS, we will send by express. (Door to Door, Convenient)
2)Between 45 – 200 KGS, we will send by air transport. (Fastest and safest, but ?expensive )
3)More than 200 KGS, we will send by sea. (Cheapest and usual) 

FAQ

Q: Are you trading company or manufacturer ?

 A: We are factory. We have our own brand:.If you interested in our product,I can take you to visit our factory.

 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: Where is your factory located? How can I visit there?
 A: Our factory is located in ZheJiang Province,You can take the high-speed rail or plane to visit.

Q: Do you provide samples ? it is free charge?
 A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q:The MOQ is how much?
 A: About ordinary standard type of bearing ,We have rich inventory,not have MOQ,if your need a 
     product is Non-standard size,need customize,we will according the product size to determine the MOQ.

 

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Cage: Without Cage
Rows Number: Single
Load Direction: Radial Bearing
Style: With Inner Ring
Material: Bearing Steel
Type: Open
Samples:
US$ 0.01/Set
1 Set(Min.Order)

|
Request Sample

cup bearing

Contribution of Cup Bearings to Smooth Operation and Reduced Friction

Cup bearings play a crucial role in ensuring the smooth operation of machinery while minimizing friction. Their design and functions contribute to this in several ways:

  • Reduced Friction: Cup bearings are designed to minimize friction between moving parts. Their rolling elements, such as balls or rollers, reduce contact surfaces and enable smooth, low-friction movement. This reduces energy consumption and heat generation in the machinery.
  • Load Distribution: Cup bearings distribute loads evenly across their rolling elements. This even load distribution prevents excessive stress on specific points and ensures that the machinery operates smoothly without experiencing undue wear or damage.
  • Alignment Tolerance: Cup bearings can accommodate misalignment to some degree. This ability to handle minor misalignments ensures that even in less-than-ideal conditions, the machinery can continue to operate smoothly and efficiently.
  • Minimized Wear: The rolling elements and races of cup bearings are often made from materials with excellent wear resistance. This minimizes wear and extends the service life of the bearing and the machinery in which it is used.
  • Reduced Heat Generation: The low friction and efficient load distribution of cup bearings result in reduced heat generation during operation. This is particularly important in high-speed machinery where excessive heat can lead to premature wear and reduced efficiency.

Overall, cup bearings contribute to the efficient and smooth operation of machinery by reducing friction, ensuring even load distribution, and providing tolerance for misalignment. These factors are essential for minimizing wear, extending the lifespan of the machinery, and maintaining high performance.

cup bearing

Considerations for Selecting Cup Bearings

Choosing the right cup bearings for an application involves several key considerations to ensure optimal performance:

1. Load Requirements: Determine the axial and radial loads that the cup bearings will need to support. Consider both static and dynamic loads to select bearings with suitable load-carrying capacities.

2. Operating Speed: Assess the rotational speed of the application. High-speed applications may require bearings designed for reduced friction and heat generation.

3. Environmental Conditions: Evaluate the environment in which the bearings will operate. Factors such as temperature, moisture, and exposure to contaminants can affect the choice of bearing material and sealing options.

4. Precision and Tolerance: Determine the required precision and tolerance levels for the application. Precision cup bearings are essential for applications where precise positioning or low runout is critical.

5. Lubrication: Consider the lubrication method. Some cup bearings are self-lubricating, while others require regular maintenance. The choice depends on the application’s accessibility and the need for maintenance-free operation.

6. Material Selection: Select bearing materials based on factors like load, corrosion resistance, and environmental impact. Common materials include steel, stainless steel, bronze, and plastic.

7. Bearing Type: Choose between various cup bearing types, such as tapered roller bearings, ball bearings, or needle roller bearings, depending on the specific application requirements.

8. Mounting and Installation: Consider the ease of mounting and installation. Some cup bearings may require special mounting considerations, and proper installation is crucial for optimal performance.

9. Cost Considerations: Evaluate the budget constraints of the project. While it’s essential to select high-quality bearings, balancing performance with cost-effectiveness is vital.

10. Manufacturer and Supplier: Work with reputable manufacturers and suppliers who can provide technical expertise, quality assurance, and support for selecting the right cup bearings.

By carefully considering these factors, you can make an informed decision when selecting cup bearings that align with the specific needs of your application.

cup bearing

Types of Cup Bearings for Various Applications

Cup bearings, also known as tapered roller bearings, come in several types to suit different applications. These variations are designed to accommodate specific load capacities, axial and radial forces, and operational conditions. Here are some common types:

1. Single-Row Tapered Roller Bearings: These cup bearings consist of a single row of tapered rollers between the inner and outer rings. They are suitable for applications with moderate radial and axial loads, such as in wheel hubs, transmissions, and differentials in automobiles.

2. Double-Row Tapered Roller Bearings: Double-row cup bearings have two rows of tapered rollers and can handle higher radial and axial loads compared to single-row bearings. They are often used in heavy machinery and gearboxes that require increased load-carrying capacity.

3. Four-Row Tapered Roller Bearings: Four-row cup bearings are designed for extremely heavy radial and axial loads. They are common in rolling mills, where they support the massive rolls used for metal shaping and processing. These bearings can withstand high forces and offer exceptional load-carrying capabilities.

4. Precision Tapered Roller Bearings: Precision cup bearings are manufactured to very tight tolerances, ensuring high accuracy and smooth operation. They are used in applications where precision, such as in machine tool spindles and aerospace components, is critical.

5. Matched Tapered Roller Bearings: Matched cup bearings consist of two tapered roller bearings with pre-set clearances and axial play. They are often used in pairs to support axial thrust in both directions. This type is common in machine tool spindles and automotive wheel bearings.

6. Custom Tapered Roller Bearings: Manufacturers can produce custom cup bearings to meet specific application requirements. These can include variations in size, load capacity, and other design parameters tailored to a particular application.

The choice of cup bearing type depends on the specific demands of the application, load requirements, and operating conditions. Proper selection ensures optimal performance and longevity in various industries, from automotive to industrial machinery.

China high quality Low Price HK Series Stamping Drawn Cup Needle Roller Bearings for Crane   ball bearingChina high quality Low Price HK Series Stamping Drawn Cup Needle Roller Bearings for Crane   ball bearing
editor by CX 2024-02-27

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