Product Description
Radial NP793712/NP679160/NP680585 Tapered Roller Bearing 540*690*400 mm Thick Steel Four Row
Bearing Specification :
Model Number | NP793712/NP679160/NP680585 |
Bearing Name | Tapered Roller Bearing |
Brand | FSK / KBE / SKB / OEM |
Material | Gcr15 Chrome Steel |
Number of Row | Four Row |
Application | Construction Machinery/Rolling Mill/Oil Drilling Equipment |
Dimensions(mm)(d*D*b) | 540*690*400 mm |
Weight / Mass ( KG ) | 369 KG |
HS Code | 8482800000 |
Original Country Show | CHINA |
Bearings Detailed Pictures:
Same Series Bearings We Offer:
Bearing Number | Alternative Number | d | D | H | m |
EE531201D/531300/531301XD | 508 mm | 762 mm | 463.55 mm | 747 KG | |
NP486537/NP163840/NP238499 | 510 mm | 730 mm | 520 mm | 733 KG | |
LM274449DGW/LM274410/LM274410D | 857130.H122AA | 514 mm | 673.1 mm | 422.28 mm | 394 KG |
NP827555/NP 0571 59/NP59571 | 530 mm | 880 mm | 543 mm | 1400 KG | |
M276449DGW/M276410/M276410CD | 536.58 mm | 761.87 mm | 558.8 mm | 844 KG | |
NP793712/NP679160/NP680585 | 540 mm | 690 mm | 400 mm | 369 KG | |
EE843220DW/843290/843291CD | 558.8 mm | 736.6 mm | 322.27 mm | 373 KG | |
LM377449DW/LM377410/LM377410CD | 558.8 mm | 736.6 mm | 409.58 mm | 482 KG | |
LM277149DA/LM277110/LM277110D | 521179 | 559 mm | 736.6 mm | 457.2 mm | 533 KG |
NP296291/NP2 0571 8/NP2 0571 8 | 560 mm | 700 mm | 405 mm | 355 KG | |
NP46 0571 /NP301398/NP571523 | 560 mm | 920 mm | 620 mm | 1695 KG | |
M278749DGW/M278710/M278710CD | 571.5 mm | 812.8 mm | 593.73 mm | 1026 KG | |
662300D/663550/663551D | 584.2 mm | 901.7 mm | 539.75 mm | 1185 KG | |
EE665231D/665355/665356D | 584.2 mm | 901.7 mm | 539.75 mm | 1290 KG | |
NP57109/NP91 0571 /NP561503 | 600 mm | 800 mm | 365 mm | 498 KG | |
EE649242DGW/649310/649311CD | 609.6 mm | 787.4 mm | 361.95 mm | 466 KG | |
M28 0571 D/M28571/M28571D | 609.6 mm | 863.6 mm | 660.4 mm | 1243 KG | |
LM285719DGW/LM285710/LM285710D | 525937 | 610 mm | 813.56 mm | 479.43 mm | 703 KG |
NP6 0571 0/NP961612/NP975169 | 620 mm | 800 mm | 363.5 mm | 448 KG | |
NP143337/JL58571/NP665719 | 630 mm | 850 mm | 418 mm | 666 KG | |
NP935150/NP938292/NP970384 | 630 mm | 850 mm | 422 mm | 700 KG | |
NP491603/NP18 0571 /NP625919 | 630 mm | 920 mm | 513.5 mm | 1160 KG | |
M281049DGW/M281571/M281571CD | 635 mm | 901.7 mm | 654.05 mm | 1387 KG | |
EE424257D/424405/424407D | 647.7 mm | 1571.7 mm | 565.15 mm | 1795 KG | |
M281349DW/M281310/M281310D | 649.93 mm | 914.9 mm | 674 mm | 1440 KG | |
M281649DW/M281610/M281610CD | 657.23 mm | 933.45 mm | 676.28 mm | 1537 KG | |
EE749259DW/749334/749335CD | 659.93 mm | 854.92 mm | 318.48 mm | 468 KG | |
EE428263D/428423/428423D | 659.93 mm | 1069.9 mm | 648 mm | 2338 KG | |
L281149DGW/L281110/L281110CD | 660.4 mm | 812.8 mm | 365.13 mm | 416 KG | |
NP992335/NP339560/NP786396 | 676 mm | 910 mm | 620 mm | 1200 KG | |
LM281849DW/LM281810/LM281810CD | 679.45 mm | 901.7 mm | 552.45 mm | 1000 KG | |
M282249D/M282210/M282210CD | 682.63 mm | 965.2 mm | 701.68 mm | 1718 KG | |
LM682342DGW/LM682315/LM682315CD | 704.85 mm | 914.4 mm | 552.45 mm | 967 KG | |
LM282549DW/LM282510/LM282510D | 857170M | 708 mm | 930.28 mm | 565.15 mm | 1061 KG |
L882449DGW/L882410/L882410CD | 709.93 mm | 899.93 mm | 410 mm | 638 KG | |
NP058834/NP722126/NP830847 | 711.2 mm | 914.4 mm | 317.5 mm | 572 KG | |
M383240DGW/M383210/M383210D | 714.38 mm | 1016 mm | 704.85 mm | 1901 KG | |
LM282847DW/LM282810/LM282810D | 857103M | 718 mm | 946.15 mm | 565.15 mm | 1117 KG |
EE325296DGW/325420/325421XD | 749.3 mm | 1066.8 mm | 736.6 mm | 2152 KG | |
EE731296D/731445/731445D | 749.3 mm | 1130.3 mm | 685.8 mm | 2444 KG | |
EE695716D/690465/690466XD | 749.3 mm | 1181.1 mm | 736.6 mm | 3571 KG | |
NP476571/LM184015/NP483799 | 750 mm | 1220 mm | 840 mm | 4571 KG | |
LM184043DW/M284111/LM184015CD | 762 mm | 1571.7 mm | 565.15 mm | 1378 KG | |
M284148DGW/M284210/M284110D | 762 mm | 1066.8 mm | 736.6 mm | 2114 KG | |
M284249DGW/528480/M284210CD | 762 mm | 1079.5 mm | 787.4 mm | 2392 KG | |
EE528300D/433512/528480D | 762 mm | 1219.2 mm | 812.8 mm | 3666 KG | |
EE433301D/631484/433513XD | 762 mm | 1295 mm | 647.7 mm | 3622 KG | |
EE631305D/NP583119/631483XD | 774.7 mm | 1219.88 mm | 838.47 mm | 3878 KG | |
M285848DGW/LM286210/M285810CD | 825.5 mm | 1168.4 mm | 844.55 mm | 3036 KG | |
LM286449D/547480/LM286410D | 863.6 mm | 1181.1 mm | 666.75 mm | 2247 KG | |
EE634356D/LM287610/634510D | 521592 | 902 mm | 1295.4 mm | 914.4 mm | 4119 KG |
LM287649DGW/LM287810/LM287610D | 938.21 mm | 1270 mm | 825.5 mm | 3158 KG | |
LM287849DGW/LM288210/LM287810CD | 939.8 mm | 1333.5 mm | 952.5 mm | 4432 KG | |
LM288949D/LM189217/LM288910D | 523207 | 1200 mm | 1593.85 mm | 990.6 mm | 2745 KG |
Other Bearings We Offer:
Deep groove ball bearings | Linear ball bearings | Pillow block bearings | Clutch release bearings |
Cylindrical roller bearings | Needle roller bearings | Thrust ball bearings | Thrust roller bearings |
Spherical roller bearings | Ball joint bearings | Conveyor roller bearings | Angular contact ball bearings |
Our Advantage:
About FSK Factory Condition :
FAQ:
1.How can I get the bearing price?
Mike: You can leave your message on Alibaba, or conact us directly by email, , SkYPE, Viber. Tell us your quantity, usually 2-5 hours you will get the price.
2.How can I buy them?
Mike: You can place order on Alibaba, or pay the payment by Western Union, Paypal, T/T and L/C.
3. How long I can get these bearings?
Mike: for small order, we will delivery the bearings in 1-2 days after recive your payment. usually 3-5 days will arrive in your place by international express, such as DHL, TNT, UPS and so on. For big order, please contact us.
4.How to protect the bearing quality?
Mike: All procudts passed ISO9001:2008 and ISO14000 certificates. we can accept small sample order, you can check the quality.
5. Other service.
Mike: We can offer OEM service according to your demand.
FSK Bearing Company Advantages:
(1) We have first-class testing equipment to detect bearing various data parameters and control the quality of the bearing.
Whenever bearings must first detected whether the quality is qualified and the unqualified bearing will be eliminated directly.
So we can get the trust of a large number of customers, and supply them for several years.
(2) We have our own R & D capabilities, to help customers solve the problem of non-standard bearings.
We can also according to customer requirements change their own mark.
(3) Price, our manufacture ensure that our prices across China are quite competitive.
It is better for you to compare prices and quality among suppliers.
But everyone knows you can not buy the highest quality products with the lowest price,
but our product is the best quality if you use equal price.
FSK Cooperation Details
Delivery:
For Small weight or ungent ,we send by express UPS,DHL,FEDEX, or EMS,china post with Thracking number
For max production , we will ship by sea/air.
Payment Item:
TT, 30% deposit , 70% before shippment.
L/C At Sight
Paypal Or Western Union In advance
Service:
Trade Assurance
Payment Protection
Timely Delivery Guaranteed
Product Qualtity Protection
Radial NP793712/NP679160/NP680585 Tapered Roller Bearing 540*690*400 mm Thick Steel Four Row, Get Cheap Price From China Bearing Factory Now !
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Bearing Number: | Np793712/Np679160/Np680585 Bearing |
---|---|
Service: | OEM ODM |
Quality: | P6 P5 |
Source: | China Factory |
Transport Package: | 1)Coloured Single Box Packing + Carton Box Packin |
Specification: | 540*690*400 mm |
Samples: |
US$ 0.5/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
| Customized Request |
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How do radial bearings differ from other types of bearings, such as thrust bearings?
Radial bearings and thrust bearings are two distinct types of bearings, each designed to handle different types of loads and forces. Here is a detailed explanation of how radial bearings differ from other types of bearings, particularly thrust bearings:
1. Load Orientation:
The primary difference between radial bearings and thrust bearings lies in the orientation of the loads they can handle. Radial bearings are primarily designed to support radial loads, which are forces that act perpendicular to the shaft’s axis. They are specifically optimized to distribute and support these radial loads, such as the weight of rotating shafts or components, belt tension, or pulley forces.
On the other hand, thrust bearings are designed to handle axial (thrust) loads, which are forces that act parallel to the shaft’s axis. These loads can include pushing or pulling forces, as well as the weight of components or structures that exert an axial force. Thrust bearings are specifically engineered to accommodate and transmit these axial loads while minimizing friction and ensuring smooth operation.
2. Bearing Design:
Radial bearings and thrust bearings have different design features to suit their respective load orientations. Radial bearings typically have an inner ring mounted on the rotating shaft and an outer ring that remains stationary. The rolling elements, such as balls or rollers, are positioned between the inner and outer rings and distribute the radial load. The design of radial bearings focuses on providing optimal support and distributing the load evenly across the rolling elements.
Thrust bearings, on the other hand, have different design configurations to handle axial loads. They can be categorized into several types, including ball thrust bearings, roller thrust bearings, tapered roller thrust bearings, and spherical roller thrust bearings. These designs often incorporate specialized features such as raceway profiles, cage structures, and rolling element arrangements to handle axial loads while minimizing friction and accommodating misalignments.
3. Load Capacity and Direction:
Radial bearings and thrust bearings have different load capacities and capabilities in terms of load direction. Radial bearings are optimized to handle primarily radial loads, and their load capacity is typically specified for radial forces. While they can withstand limited axial loads, their axial load capacity is lower compared to dedicated thrust bearings. Radial bearings are not designed to handle significant axial forces and may experience premature wear or failure if subjected to excessive axial loads.
Thrust bearings, on the other hand, are specifically engineered to handle axial loads. They have higher axial load capacities compared to radial bearings and are designed to transmit and support forces acting parallel to the shaft’s axis. Thrust bearings are capable of withstanding substantial axial loads without sacrificing their performance or longevity.
4. Application and Usage:
Due to their load orientation and design characteristics, radial bearings and thrust bearings are used in different applications. Radial bearings are commonly employed in machinery and equipment where supporting radial loads is the primary requirement. They are widely used in applications such as electric motors, pumps, fans, conveyors, automotive components, and industrial machinery. Radial bearings are versatile and can handle various operating conditions, speeds, and loads, making them suitable for a wide range of mechanical systems.
Thrust bearings, on the other hand, are specifically used in applications where axial loads need to be supported and transmitted. They find application in machinery and equipment such as thrust ball screws, automotive transmissions, steering systems, and heavy machinery that requires precise axial positioning. Thrust bearings are crucial for maintaining the axial integrity and stability of components or structures subjected to thrust forces.
5. Combination Bearings:
In some cases, there are bearings that can handle both radial and axial loads, commonly known as combination bearings or angular contact bearings. These bearings are designed with a specific contact angle between the rolling elements and raceways, allowing them to simultaneously support radial and axial loads. Combination bearings are often used in applications where both types of loads are present, such as machine tool spindles or certain types of gearboxes. However, it’s important to note that combination bearings may have limitations in terms of load capacities and the ratio of radial to axial loads they can handle.
In summary, the primary differences between radial bearings and other types of bearings, such as thrust bearings, lie in their load orientations, design features, load capacities, and applications. Radial bearings are optimized for supporting radial loads, while thrust bearings are specifically designed to handle axial loads. Understanding these differences is crucial for selecting the appropriate bearing type for a specific mechanical application.
Are there specific types of radial bearings, and what are their unique characteristics?
Yes, there are several specific types of radial bearings, each with its unique characteristics and applications. These types of bearings are designed to accommodate different loads, operating conditions, and specific requirements. Here are some commonly used types of radial bearings along with their unique characteristics:
1. Deep Groove Ball Bearings:
Deep groove ball bearings are the most common type of radial bearings. They have deep raceway grooves that enable them to carry both radial and axial loads. Deep groove ball bearings are known for their versatility, high-speed capability, and relatively low cost. They are suitable for a wide range of applications, including electric motors, appliances, automotive components, and machinery.
2. Angular Contact Ball Bearings:
Angular contact ball bearings are designed to handle both radial and axial loads but primarily excel in supporting combined axial loads and moment loads. They have contact angles that allow them to carry higher thrust loads compared to deep groove ball bearings. Angular contact ball bearings are commonly used in applications such as machine tool spindles, automotive wheels, and pumps where precise axial and radial load support is required.
3. Cylindrical Roller Bearings:
Cylindrical roller bearings have high radial load-carrying capacity and are suitable for applications with heavy radial loads. They have cylindrical rollers as rolling elements and can accommodate axial displacement within the bearing. Cylindrical roller bearings are commonly used in industries such as construction equipment, gearboxes, and large motors.
4. Tapered Roller Bearings:
Tapered roller bearings are designed to handle both radial and axial loads. They have tapered raceways and rollers arranged in a way that allows the bearing to support higher axial loads in one direction. Tapered roller bearings are commonly used in automotive applications, including wheel bearings, transmissions, and differentials, as well as in industrial machinery such as mining equipment and machine tools.
5. Spherical Roller Bearings:
Spherical roller bearings can accommodate high radial loads and moderate axial loads. They have barrel-shaped rolling elements and self-aligning capabilities, allowing them to compensate for misalignment and shaft deflection. Spherical roller bearings are commonly used in heavy-duty applications such as mining, paper mills, and steel mills, where there are significant misalignment or heavy load conditions.
6. Needle Roller Bearings:
Needle roller bearings have cylindrical rollers that are much smaller in diameter compared to other radial bearings. They have a high length-to-diameter ratio, enabling them to handle high radial loads in a compact design. Needle roller bearings are commonly used in applications such as automotive transmissions, motorcycles, and industrial machinery.
7. Thrust Bearings:
Thrust bearings are designed to handle axial loads primarily and are often used in conjunction with radial bearings to support combined axial and radial loads. They come in various designs, including ball thrust bearings, cylindrical thrust bearings, and tapered roller thrust bearings. Thrust bearings are commonly used in automotive, aerospace, and industrial applications that require support for heavy axial loads.
8. Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and a spherical outer ring raceway, allowing them to accommodate misalignment between the shaft and housing. They can handle both radial and axial loads and are commonly used in applications where shaft misalignment is expected, such as conveyor systems, textile machinery, and agricultural equipment.
These are just a few examples of specific types of radial bearings, and there are many other variations and specialized designs available for specific applications. Each type of bearing has unique characteristics that make it suitable for particular operating conditions, load requirements, and performance expectations.
What is the role of cage design and materials in radial bearing performance and durability?
The cage design and materials used in radial bearings play a crucial role in their performance and durability. The cage, also known as the bearing retainer or separator, holds the rolling elements (such as balls or rollers) in position relative to each other. It serves multiple functions that directly impact the overall performance and longevity of the bearing. Here’s a detailed explanation of the role of cage design and materials in radial bearing performance and durability:
1. Positioning and Guidance:
The primary function of the cage is to position and guide the rolling elements within the bearing. It ensures proper spacing and alignment between the rolling elements, preventing them from coming into contact with each other. The cage helps maintain a uniform load distribution and prevents excessive friction or wear that can occur when the rolling elements are allowed to move freely. An effective cage design and material selection are essential for maintaining accurate positioning and guidance of the rolling elements, resulting in improved performance and durability of the bearing.
2. Friction and Heat Generation:
The cage design and materials significantly influence the friction and heat generation within the bearing. The cage should have low friction characteristics to minimize energy losses and prevent excessive heat buildup. A well-designed cage with appropriate materials can reduce contact friction between the rolling elements and the cage itself, resulting in lower operating temperatures and improved efficiency. Additionally, the cage should have good thermal conductivity to dissipate heat effectively, preventing thermal damage to the bearing components.
3. Lubricant Distribution:
The cage design plays a role in facilitating the distribution of lubricant within the bearing. It should allow for proper lubricant flow and distribution to ensure all bearing surfaces are adequately lubricated. Effective lubrication helps reduce friction, minimize wear, and prevent premature failure. The cage should have features or cutouts that allow lubricant to reach all contact points between the rolling elements and the raceways, ensuring optimal lubrication throughout the bearing’s service life.
4. Load Handling Capacity:
The cage design and materials contribute to the load handling capacity of the bearing. The cage should be rigid and strong enough to withstand the applied loads without deformation or failure. It should effectively distribute the load between the rolling elements, preventing excessive stress on individual components. The choice of cage material is crucial in determining its strength and load-carrying capability. Different materials, such as steel, brass, or synthetic polymers, offer varying levels of strength, rigidity, and resistance to wear and fatigue, allowing for optimal load handling capacity.
5. Noise and Vibration:
The cage design and materials can influence the generation of noise and vibration in the bearing. A well-designed cage with appropriate materials can help dampen vibrations and reduce noise levels during operation. The cage should have sufficient stiffness and damping properties to absorb and dissipate vibrations, minimizing their transmission to other parts of the machinery or equipment. This not only improves the overall performance and efficiency of the bearing but also enhances the comfort of operators and reduces the risk of damage caused by excessive vibrations.
6. Corrosion and Contamination Resistance:
The choice of cage material is crucial in determining its resistance to corrosion and contamination. Bearings operating in harsh environments or exposed to moisture, chemicals, or abrasive particles require cages made from corrosion-resistant materials. Common materials used for cage construction, such as stainless steel or synthetic polymers, offer excellent resistance to corrosion and contamination, enhancing the durability and reliability of the bearing in challenging operating conditions.
7. Maintenance and Service Life:
The cage design and materials can affect the maintenance requirements and service life of the bearing. A well-designed cage with high-quality materials can contribute to extended bearing life by reducing wear, preventing premature failure, and minimizing the need for frequent maintenance. Bearings with superior cage materials and designs often exhibit improved durability and longer service intervals, resulting in reduced downtime and lower maintenance costs.
When selecting a radial bearing, it is essential to consider the specific application requirements, operating conditions, and the type of loads it will be subjected to. The cage design and materials should be chosen based on these factors to ensure optimal performance, durability, and reliability of the bearing.
editor by CX 2024-02-29