Product Description
HXHV High Speed / Ball Screw Support Bearing
Material: Chrome Steel / Stainless Steel rings and balls.
Precesion Range: P5 or P4
OEM Service: Custom bearing’s size, logo, packing.
70 Series (High Speed): contact us for more
| Model Number | Model Number2 | Inner Diameter | Outer Diameter | Width |
| 706C | 706AC | 6 mm | 17 mm | 6 mm |
| 708C | 708AC | 8 mm | 22 mm | 7 mm |
| 7000C | 7000AC | 10 mm | 26 mm | 8 mm |
| 7001C | 7001AC | 12 mm | 28 mm | 8 mm |
| 7002C | 7002AC | 15 mm | 32 mm | 9 mm |
| 7003C | 7003AC | 17 mm | 35 mm | 10 mm |
| 7004C | 7004AC | 20 mm | 42 mm | 12 mm |
| 7005C | 7005AC | 25 mm | 47 mm | 12 mm |
| 7006C | 7006AC | 30 mm | 55 mm | 13 mm |
| 7007C | 7007AC | 35 mm | 62 mm | 14 mm |
72 Series (High Speed): contact us for more
| Model Number | Model Number2 | Inner Diameter | Outer Diameter | Width |
| 7200C | 7200AC | 10 mm | 30 mm | 9 mm |
| 7201C | 7201AC | 12 mm | 32 mm | 10 mm |
| 7202C | 7202AC | 15 mm | 35 mm | 11 mm |
| 7203C | 7203AC | 17 mm | 40 mm | 12 mm |
| 7204C | 7204AC | 20 mm | 47 mm | 14 mm |
| 7205C | 7205AC | 25 mm | 52 mm | 15 mm |
| 7206C | 7206AC | 30 mm | 62 mm | 16 mm |
| 7207C | 7207AC | 35 mm | 72 mm | 17 mm |
| 7208C | 7208AC | 40 mm | 80 mm | 18 mm |
| 7209C | 7209AC | 45 mm | 85 mm | 19 mm |
718 Series (High Speed): contact us for more
| Model Number | Model Number2 | Inner Diameter | Outer Diameter | Width |
| 71800C | 71800AC | 10 mm | 19 mm | 5 mm |
| 71801C | 71801AC | 12 mm | 21 mm | 5 mm |
| 71802C | 71802AC | 15 mm | 24 mm | 5 mm |
| 71803C | 71803AC | 17 mm | 26 mm | 5 mm |
| 71804C | 71804AC | 20 mm | 32 mm | 7 mm |
| 71805C | 71805AC | 25 mm | 37 mm | 7 mm |
| 71806C | 71806AC | 30 mm | 42 mm | 7 mm |
| 71807C | 71807AC | 35 mm | 47 mm | 7 mm |
| 71808C | 71808AC | 40 mm | 52 mm | 7 mm |
| 71809C | 71809AC | 45 mm | 58 mm | 7 mm |
719 Series (High Speed): contact us for more
| Model Number | Model Number2 | Inner Diameter | Outer Diameter | Width |
| 71900C | 71900AC | 10 mm | 22 mm | 6 mm |
| 71901C | 71901AC | 12 mm | 24 mm | 6 mm |
| 71902C | 71902AC | 15 mm | 28 mm | 7 mm |
| 71903C | 71903AC | 17 mm | 30 mm | 7 mm |
| 71904C | 71904AC | 20 mm | 37 mm | 9 mm |
| 71905C | 71905AC | 25 mm | 42 mm | 9 mm |
| 71906C | 71906AC | 30 mm | 47 mm | 9 mm |
| 71907C | 71907AC | 35 mm | 55 mm | 10 mm |
| 71908C | 71908AC | 40 mm | 62 mm | 12 mm |
| 71909C | 71909AC | 45 mm | 68 mm | 12 mm |
TAC Series (Ball screw support): contact us for more
| Model Number | Inner Diameter | Outer Diameter | Width |
| 15TAC47B | 15 mm | 47 mm | 15 mm |
| 17TAC47B | 17 mm | 47 mm | 15 mm |
| 20TAC47B | 20 mm | 47 mm | 15 mm |
| 25TAC62B | 25 mm | 62 mm | 15 mm |
| 30TAC62B | 30 mm | 62 mm | 15 mm |
| 35TAC72B | 35 mm | 72 mm | 15 mm |
| 40TAC72B | 40 mm | 72 mm | 15 mm |
| 40TAC90B | 40 mm | 90 mm | 20 mm |
760 Series (Ball screw support): contact us for more
| Model Number | Inner Diameter | Outer Diameter | Width |
| 7657112 | 12 mm | 32 mm | 10 mm |
| 7657115 | 15 mm | 35 mm | 11 mm |
| 7657117 | 17 mm | 40 mm | 12 mm |
| 7657120 | 20 mm | 47 mm | 14 mm |
| 765711 | 20 mm | 52 mm | 15 mm |
| 7657125 | 25 mm | 52 mm | 15 mm |
| 76 0571 1 | 25 mm | 62 mm | 17 mm |
| 7657130 | 30 mm | 62 mm | 16 mm |
| 7603030 | 30 mm | 72 mm | 19 mm |
| 7657135 | 35 mm | 72 mm | 17 mm |
Packing:
|
Universal Packing |
Without any logo on bearings or packing. |
|
HXHV Packing |
With our brand HXHV on bearings and packing. |
|
Customized Packing |
Depends on buyer’s requirements. |
|
Original Brand Packing |
Bearing and packing are both original. Please contact us for pictures. |
Certificate:
Our bearings comes with CE certificate and our company has been verified by SGS Group. Please contact us for clear certificate photos.
Other Bearings:
We supply different types of ball and roller bearings, slewing bearings, mini bearings, ceramic bearings, Linear guides.
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| Contact Angle: | 15° or 25° |
|---|---|
| Aligning: | Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 2.5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
Can you describe the various types of seals and shields used with radial bearings for contamination prevention?
Seals and shields are commonly used with radial bearings to prevent contamination and protect the bearing internals from external particles, moisture, and other contaminants. They help maintain the integrity of the lubricant and extend the service life of the bearing. Here’s a detailed description of the various types of seals and shields used with radial bearings:
1. Contact Seals:
Contact seals, also known as lip seals or radial lip seals, are designed to make direct contact with the inner ring of the bearing. They consist of a flexible sealing lip that forms a barrier between the inner and outer ring of the bearing. Contact seals effectively prevent the entry of contaminants into the bearing by creating a tight seal. They are commonly made of rubber or elastomeric materials and provide effective sealing against solid particles, liquids, and gases. Contact seals offer good contamination prevention but may generate higher friction and heat compared to non-contact seals.
2. Non-Contact Seals:
Non-contact seals, also known as labyrinth seals or gap seals, do not make direct contact with the inner ring of the bearing. Instead, they rely on a series of barriers or labyrinth-like structures to create a tortuous path that prevents the entry of contaminants. Non-contact seals provide effective protection against solid particles, such as dust and dirt, while allowing for minimal friction and heat generation. They are commonly made of metal or plastic and are suitable for high-speed applications where reduced friction is critical.
3. Shielded Bearings:
Shielded bearings, also known as metal shields or ZZ bearings, are equipped with metallic shields that cover the outer surface of the bearing. These shields are usually made of steel and provide a physical barrier against contaminants. Shielded bearings are designed to prevent the entry of larger particles, such as dirt and debris, while allowing for the circulation of lubricating grease within the bearing. However, they do not provide a complete seal and may not be suitable for applications where protection against moisture or fine particles is required.
4. Rubber Seals:
Rubber seals, also known as rubber contact seals or RS bearings, are similar to contact seals but are made entirely of rubber or elastomeric materials. They provide effective sealing against contaminants, including solid particles, liquids, and gases. Rubber seals offer good contamination prevention and are more flexible than other sealing options, allowing for better adaptability to varying operating conditions. They are commonly used in applications where protection against moisture, dust, and other fine particles is essential.
5. Felt Seals:
Felt seals are made of compressed or woven felt material and are used primarily in low-speed applications. They provide a barrier against larger particles and help retain lubricating oil or grease within the bearing. Felt seals are relatively simple and cost-effective solutions for contamination prevention. However, they may not offer the same level of protection as other sealing options and may require regular lubrication to maintain their effectiveness.
6. Combination Seals:
Combination seals utilize a combination of different sealing mechanisms to provide enhanced contamination prevention. These seals often incorporate both contact and non-contact elements to create an effective barrier against various contaminants. Combination seals are designed to address specific application requirements, providing a balance between sealing effectiveness, friction, heat generation, and other performance factors.
7. Additional Features:
Some seals and shields may incorporate additional features to enhance contamination prevention. For example, seals may include dust lips or auxiliary lips to provide extra protection against fine particles. Shields may have gap fillers or flingers to deflect contaminants away from the bearing. These additional features help improve the sealing effectiveness and contribute to extended bearing life.
When selecting seals and shields for radial bearings, it is essential to consider the specific application requirements, operating conditions, and the level of contamination protection needed. Manufacturers typically provide guidelines and recommendations regarding the appropriate sealing options for their bearings to ensure optimal performance and reliability.
editor by CX 2024-02-06