China supplier High Precision Shielded Axial Ball Bearing 17X31.5X9.5 51103 Axial Ball Bearing with Shields for Scissor Jack deep groove ball bearing

Product Description

  Thrust ball bearing is a separable bearing,it  consist of 2 precision chrome stee or stainless steel washers (ring) and a ball complement spaced by bronze retainer(as well as stainless steel stainer). Two washers are separated from retainer in structure. In order to make up for the shortcomings of separated thrust bearing, such as small load and easy to get dirty,compared with thrust ball bearing,thrust ball bearing with shields is thrust ball bearing covered with iron steel outside. RUNSTAR designs and manufactures shielded thrust ball bearings,it is belong to a one-pieces thrust ball bearings which has an outer iron shell to fix the thrust ball  bearing together as dust shield against  dust.

 

 

 

PRODUCTS CATALOGUE

 

Partial Thrust Ball Bearing with Shields
 

Part Number Raceway type  bore diameter of (d) outer diamter (D) thickness(H) Load Rating Cr(KN) Load Rating Cor(KN) Weight/g
51100 groove raceway 10 25.5 9     25g
51101 groove raceway 12 27 10     27g
51102 groove raceway 15 30 10     29g
51103 groove raceway 17 31.5 9.5     31g
51104 groove raceway 20 37 11     47g
51105 groove raceway 25 45 11.5     72g
51203 groove raceway 17 37 13     62g
51204 groove raceway 20 42 14.5     98g
51205 groove raceway 25 49 16     143g
51206 groove raceway 30 53 16     169g
51207 groove raceway 35 65 18         273g

 

 

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Precision Rating: ABEC-1, ABEC-3, Aberc-5
Type: Ball
Cage: Steel Cage.Brass Cage
Samples:
US$ 3/Set
1 Set(Min.Order)

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Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

shielded bearing

Are shielded bearings suitable for high-speed applications?

Yes, shielded bearings can be suitable for high-speed applications, but their suitability depends on various factors such as the bearing design, materials, and operating conditions. Here’s a detailed explanation of the suitability of shielded bearings for high-speed applications:

Shielded bearings are designed to accommodate a wide range of operating speeds, including high-speed applications. However, it’s important to consider the following factors when determining the suitability of shielded bearings for high-speed use:

  1. Bearing design: The design of the shielded bearing plays a significant role in its ability to handle high speeds. Factors such as the type of rolling elements (balls or rollers), cage design, and internal clearances affect the bearing’s ability to minimize friction, reduce heat generation, and maintain stability at high speeds. Manufacturers provide specific speed ratings for their shielded bearings, indicating the maximum recommended rotational speed. It’s important to select a shielded bearing with a speed rating that exceeds or matches the operating speed requirements of the application.
  2. Bearing materials: The materials used in shielded bearings can impact their performance at high speeds. High-quality materials with excellent hardness, dimensional stability, and low friction coefficients are preferred for high-speed applications. Common bearing materials include steel, stainless steel, and ceramics. Ceramic bearings, in particular, are known for their high-speed capabilities due to their low density and superior hardness. Consider choosing a bearing material that is well-suited for the anticipated speed and operating conditions.
  3. Lubrication: Proper lubrication is critical for high-speed applications. Lubrication helps reduce friction, dissipate heat, and minimize wear between the bearing components. It’s important to select a lubricant that is specifically recommended for high-speed applications and provides adequate lubrication under the anticipated speed and temperature conditions. The lubrication quantity and method should also be optimized to ensure sufficient lubrication without causing excessive drag or overheating.
  4. Temperature control: High-speed applications can generate significant heat due to increased friction. Adequate temperature control measures, such as proper ventilation, cooling systems, or selecting bearings with heat-resistant materials, may be necessary to prevent excessive temperature rise and potential bearing damage or failure.
  5. Application-specific considerations: High-speed applications may involve additional factors that need to be considered. For example, the presence of external forces, vibration, or misalignments can affect the performance and stability of the shielded bearing at high speeds. It’s important to evaluate these factors and choose a bearing design that can withstand the specific demands of the application.

By considering these factors and selecting shielded bearings with suitable designs, materials, lubrication, and temperature control measures, you can ensure their reliability and performance in high-speed applications.

shielded bearing

How do shielded bearings handle radial and axial loads?

Shielded bearings are designed to handle both radial and axial loads, although the specific load capacities may vary depending on the bearing design and size. Here’s a detailed explanation of how shielded bearings handle radial and axial loads:

Radial Loads: Radial loads are forces that act perpendicular to the bearing’s axis, causing it to rotate. Shielded bearings can handle radial loads by distributing the load evenly across the rolling elements, races, and the bearing’s internal structure. The rolling elements, typically balls or rollers, transmit the load from the outer race to the inner race. The races are the ring-like structures that contain the rolling elements and guide their movement. The distribution of the load helps prevent localized stress and ensures that the bearing can support the applied radial load without excessive deformation or premature failure.

The load-carrying capacity of a shielded bearing under radial loads depends on various factors, such as the bearing’s size, design, materials, and the number and size of the rolling elements. Manufacturers provide load ratings for shielded bearings, which indicate the maximum radial load that the bearing can sustain under specific operating conditions. It’s crucial to consider these load ratings and ensure that the applied radial load falls within the recommended limits to prevent bearing failure.

Axial Loads: Axial loads are forces that act parallel to the bearing’s axis, causing it to move in the axial direction. Shielded bearings can handle axial loads to some extent, but their capacity to resist axial loads is generally lower compared to their radial load capacity. The ability of a shielded bearing to handle axial loads depends on its design, including the type of rolling elements and the presence of additional features such as cages or thrust washers.

In applications with predominantly axial loads, specialized bearing designs like thrust bearings or angular contact bearings may be more suitable. These bearings are specifically engineered to handle higher axial loads and provide enhanced axial load-carrying capabilities.

It’s important to note that the load-carrying capacities of shielded bearings may also be influenced by factors such as the speed of rotation, operating temperature, lubrication, and the presence of any external forces or moments acting on the bearing. Therefore, it’s crucial to consult the manufacturer’s specifications and guidelines to determine the appropriate bearing type and size for a given load application.

By understanding the load requirements of your application and selecting the appropriate shielded bearing with sufficient load capacity, you can ensure reliable and efficient operation while minimizing the risk of premature failure or damage to the bearing.

shielded bearing

How to properly install a shielded bearing?

Proper installation of a shielded bearing is essential to ensure its optimal performance and longevity. Here’s a detailed explanation of the steps involved in properly installing a shielded bearing:

  1. Prepare the work area: Start by ensuring that the work area is clean and free from dust, dirt, and other contaminants. This helps minimize the risk of introducing particles into the bearing during installation.
  2. Inspect the bearing: Before installation, inspect the shielded bearing for any signs of damage or defects. Check the shields for dents, deformations, or loosening. If any issues are found, replace the bearing with a new one to ensure proper functioning.
  3. Handle the bearing with care: Handle the shielded bearing with clean hands or gloves to prevent the transfer of contaminants. Avoid dropping or impacting the bearing, as it can cause damage to the shields or internal components.
  4. Align the bearing: Position the shielded bearing in the correct orientation and align it with the shaft or housing. Ensure that the bearing fits securely and accurately into the designated location.
  5. Apply a suitable lubricant: Before installation, apply an appropriate lubricant to the bearing’s internal components. The lubricant helps reduce friction and wear during operation. Follow the manufacturer’s recommendations for the type and amount of lubricant to be used.
  6. Install the bearing: Gently press the shielded bearing onto the shaft or into the housing using a suitable installation tool. Apply even pressure to ensure the bearing seats properly. Avoid excessive force, as it can damage the shields or distort the bearing’s internal components.
  7. Verify the proper fit: After installation, check the bearing to ensure that it is seated correctly and securely. Rotate the bearing by hand to confirm smooth movement and proper alignment.
  8. Secure the bearing: If applicable, install any locking devices, such as retaining rings or locknuts, to secure the shielded bearing in place. Follow the manufacturer’s instructions for the specific locking mechanism being used.
  9. Perform final checks: Once the bearing is installed, inspect it again for any signs of damage or misalignment. Ensure that the shields are securely in place and provide adequate coverage to the rolling elements and raceways.
  10. Document the installation: Keep a record of the bearing installation, including the date, part number, and any relevant details. This information can be useful for future maintenance or replacement purposes.

It’s important to note that the installation process may vary depending on the specific application, bearing type, and manufacturer’s recommendations. Always refer to the manufacturer’s instructions and guidelines for the proper installation of the shielded bearing.

By following these steps and taking the necessary precautions, you can ensure the proper installation of a shielded bearing, promoting its performance, reliability, and service life.

China supplier High Precision Shielded Axial Ball Bearing 17X31.5X9.5 51103 Axial Ball Bearing with Shields for Scissor Jack   deep groove ball bearingChina supplier High Precision Shielded Axial Ball Bearing 17X31.5X9.5 51103 Axial Ball Bearing with Shields for Scissor Jack   deep groove ball bearing
editor by CX 2023-11-13

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