China best High Quality Size HK1512 15*21*12mm HK Series HK0509 HK0611 HK1212 HK2820 HK3520 HK1012 Drawn Cup Needle Roller Bearing deep groove ball bearing

Product Description

I PRODUCT INFO.
NSK KOYO  High Quality Drawn Cup Needle Roller Bearing HK/Nukr/Pwkr/Ccfh/Nast/Nutr/Na Series Roller Bearing for Machine Parts

HQA  Needle roller bearings are essentially cylindrical roller bearings except that their cylindrical rollers have a length 3 to 10 times their diameter (versus a length less than 3 times their diameter). Needle bearings are also essentially bearings that utilize small & cylindric rollers. Therefore, the ratio of the bearing outside diameter to the inscribed circle diameter is small, and they have a rather high radial load capacity. Even though they have a low cross section, needle roller bearings have a high radial load capacity and are exceptionally apt for bearing applications where radial space is limited.
There are numerous types available, and many have no inner rings. The drawn-cup type has a pressed steel outer ring and the precision (solid) type has a machined outer ring. There are also cage-and-roller assemblies without rings. Most bearings have pressed steel cages, but some are without cages.
Drawn cup needle roller bearings have a drawn outer shell serving as a raceway for the rollers and are installed with a press fit in the housing. They are ideal for many of the following applications: transmissions, transfer cases, engines, valve trains, steering and braking systems, axle supports, outboard engines, textile industry, power tools, copiers, fax machines, paper-moving equipment, and appliances.

    II. Packing & Delivery
    Packing Details:
    1. Tube+carton+pallet: eg.10 pcs bearings are packed in a tube.30 tubes are put into a carton. It is usually for small bearings..
    2. paper box+carton+pallet: every bearing is packed in a paper box, then put in a carton.It is usually for small or middle bearings. 
    3. Wooden packing:every bearing is packed into a wooden case.It is usually for big bearing 
    4. according to your requirement
    Delivery Details : 5-15Days

    III. OTHER MODELS WE CAN SUPPLY

    Bearing No. D(mm) D(mm) B(mm)
    NA4900 10 22 13
    NA4901 12 24 13
    NA4902 15 28 13
    NA4903 17 30 13
    NA4904 20 37 17
    NA4905 25 42 17
    NA4906 30 47 17
    NA4907 35 55 20
    NA4908 40 62 22

    Needle Roller Bearings Available from HQA Bearings

    • SCE and SCE-PP Series – Drawn cup needle roller bearing, Open ends for through shafts, cage guided, with/without seals, Inch dimensional
    • HK, and HK-RS Series – Drawn cup needle roller bearing, Open ends for through shafts, cage guided, with/without seals, Metric dimensional
    • BCE and BCE-P Series – Drawn cup needle roller bearing, One end closed for shaft ends, cage guided, with/without seals, Inch dimensional
    • BK, and BK-RS Series – Drawn cup needle roller bearing, One end closed for shaft ends, cage guided, with/without seals, Metric dimensional

    VI. OUR MAIN PRODUCTS
    Our products cover deep groove ball bearing, tapered roller bearing, cylindrical roller bearing, spherical roller bearing, pillow block bearing, angular contact ball bearing, self-aligning ball bearing, thrust ball bearing, thrust roller bearing, needle roller bearing, spherical plain bearing and so on, large, super large and non-standard bearings. In addition to the above, we offer customized high-tech bearings for free design according to drawings and samples from the clients’ side.

    V. Our team
    Teamwork contributes to the prosperity of the companies. With all workmates’ knowledge combined, the companies possess high work efficiency and an ability to deal with whatever problems. As a result, the companies can make more profits and develop more quickly.
    In sum, teamwork is very important, no 1 could live individually, they must rely on others in some way. Hence, work together could make life easier.

     

    Product Description

    Size(ID*OD*B)

    30*47*17mm

    Bearing Type

    Single row Needle Roller

    Seal

    Open

    Bearing Material

    Chrome Steel GCr15/Stainless Steel

    Precision rating

    P0(P6 P5)

    Vibration level

    V1(V2 V3)

    Noise level

    Z2(Z3 Z4)

    Detailed Photos

     

     

    Product Application

     

     

    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

    Variations in Cup Bearing Designs for Different Operating Conditions

    Cup bearings come in various designs tailored to different operating conditions and requirements. Some common variations include:

    • Tapered Cup Bearings: These are designed to handle both radial and axial loads and are commonly used in applications like automotive wheel hubs.
    • Needle Roller Cup Bearings: Needle rollers provide high load-carrying capacity in a compact design, making them suitable for applications with limited space.
    • Thrust Cup Bearings: These are designed to withstand axial loads and are often used in applications like automotive transmissions.
    • Precision Cup Bearings: These bearings are manufactured to tight tolerances for high-precision applications such as machine tools and aerospace equipment.
    • Stainless Steel Cup Bearings: Stainless steel construction provides corrosion resistance, making them suitable for food processing and marine applications.
    • Plastic or Nylon Cup Bearings: These lightweight bearings are used in low-load, low-speed applications where corrosion resistance and low friction are needed.
    • Heavy-Duty Cup Bearings: These robust bearings are designed for heavy radial and axial loads, commonly found in construction and agricultural machinery.

    Each variation is optimized for specific conditions and load types, ensuring optimal performance and longevity in various industrial and mechanical applications.

    cup bearing

    Challenges and Limitations of Cup Bearings in Different Environments

    Cup bearings, while versatile and reliable, have specific challenges and limitations based on the environments in which they are used:

    1. Contaminants: In environments with high levels of contaminants, such as dust, dirt, or moisture, cup bearings may require enhanced sealing to prevent particle ingress, which can lead to premature wear and failure.

    2. Temperature Extremes: Cup bearings may not perform optimally in extreme temperature conditions. High temperatures can affect lubrication properties and reduce bearing life, while low temperatures can cause stiffness and reduced flexibility.

    3. Corrosive Environments: Exposure to corrosive substances, like chemicals or saltwater, can lead to bearing corrosion. In such cases, selecting materials with high corrosion resistance is crucial.

    4. Shock and Vibration: Machinery subjected to high levels of shock and vibration may experience accelerated wear in cup bearings. Proper mounting and maintenance are essential in these situations.

    5. Heavy Loads: While cup bearings can handle substantial loads, there are limitations to the magnitude and type of loads they can support. In applications with extremely heavy loads, larger or specialized bearings may be required.

    6. Misalignment: Excessive misalignment can cause uneven load distribution, leading to wear and reduced bearing life. Proper alignment and choice of bearing type can mitigate this challenge.

    7. Speed: Extremely high-speed applications may require specialized bearing designs to prevent issues like heat buildup and premature wear.

    8. Lubrication: In applications where lubrication is crucial, cup bearings should receive regular maintenance to ensure proper lubrication levels and prevent dry running.

    Understanding these challenges and limitations is essential in selecting the right cup bearings and implementing appropriate maintenance practices to maximize their performance and longevity in various environments.

    cup bearing

    Components of a Cup Bearing Assembly and Their Roles

    A cup bearing assembly consists of several components, each with a specific role in its operation:

    1. Cup (Outer Ring): The cup, often referred to as the outer ring, is a hardened steel component with a precisely machined raceway. It serves as the outer race and provides structural support for the bearing. The cup’s role is to maintain the proper distance and alignment between the rollers.

    2. Cone (Inner Ring): The cone, or inner ring, is another hardened steel component. It has a matching raceway that fits with the cup’s raceway. The cone serves as the inner race and contains the rolling elements. Its role is to maintain proper alignment and spacing of the rolling elements.

    3. Tapered Rollers: Tapered rollers are the rolling elements that transmit the loads and facilitate smooth rotation. They are arranged between the cup and cone and are designed with a tapered shape to distribute loads evenly along the raceways, reducing the risk of edge loading and premature wear.

    4. Cage (Retainer): In some cup bearing assemblies, a cage or retainer is used to maintain the spacing and orientation of the rollers. The cage ensures that the rollers do not come into direct contact with each other, reducing friction and wear while promoting smooth rolling.

    5. Lubrication: Proper lubrication is crucial for the efficient operation of cup bearings. Lubricant, often grease or oil, reduces friction, dissipates heat, and minimizes wear. It also helps prevent corrosion and extends the bearing’s service life.

    6. Seals and Shields: In many cup bearing applications, seals and shields are employed to protect the bearing’s internal components from contaminants and moisture. Seals create a barrier to prevent the entry of foreign particles, while shields provide limited protection while allowing some ventilation.

    7. Bearing Housing: The bearing assembly is often mounted within a bearing housing, which secures it in place and aligns it with the rotating shaft. The housing provides support and ensures proper axial and radial alignment of the cup bearing.

    All these components work together to facilitate the smooth and reliable operation of a cup bearing, handling various loads while minimizing friction and wear, thereby extending the bearing’s lifespan and contributing to the efficiency of the machinery it serves.

    China best High Quality Size HK1512 15*21*12mm HK Series HK0509 HK0611 HK1212 HK2820 HK3520 HK1012 Drawn Cup Needle Roller Bearing   deep groove ball bearingChina best High Quality Size HK1512 15*21*12mm HK Series HK0509 HK0611 HK1212 HK2820 HK3520 HK1012 Drawn Cup Needle Roller Bearing   deep groove ball bearing
    editor by CX 2024-04-24

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