Product Description

Products Description
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Products Details
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Single row tapered roller bearings
UKL single row tapered roller bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads.

The projection lines of the raceways meet at a common point on the bearing axis to provide a true rolling action and therefore low frictional moments during operation.

The axial load carrying capacity of tapered roller bearings increases with increasing contact angle. The size of the contact angle, which is usually between 10° and 30°.

Matched tapered roller bearings
The UKL assortment of matched single row tapered roller bearings is based on popular sizes of single row tapered roller bearings. Depending on the application requirements, matched tapered roller bearings are available in different designs and variants:
 Matched bearings arranged face-to-face                                      Matched bearings arranged back-to-back.
Double row tapered roller bearings

UKL manufactures double row tapered roller bearings in the TDO and TDI designs, in many variants and with different features. Depending on the design, these bearings can accommodate heavy radial loads, axial loads in both directions and have a high degree of stiffness.

Double row tapered roller bearings are typically used in gearboxes, hoisting equipment, rolling mills and machines in the mining industry, e.g. tunnelling machines

Double row tapered roller bearings, TDO design                      Double row tapered roller bearings, TDI design

Four-row tapered roller bearings
Four-row tapered roller bearings can accommodate combined (radial and axial) loads at low to moderate speeds. They are used almost exclusively in work roll applications such as rolling mills.

TQI design                                                                                                Four-row tapered roller bearings, TQO design

Factory&Equipment
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Inspection&Packaging
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Application Scenario
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Certifications

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FAQ
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1.Q:What the MOQ of your company?
A:MOQ is 1pc.
2.Q:Could you accept OEM and customize?
A:YES,we can customize for you according to sample or drawing.
3.Q:Could you supply sample for free?
A:Yes,we can supply sample for free,do you mind to buy her a ticket?
4.Q:IS you company factory or Trade Company?
A:We have our own factory ;our type is factory +trade.
5.Q:Could you tell me the material of your bearing?
A:We have chrome steel,carbon steel and staninless steel,ceramic and plastic material.
6.Q:Could you offer door to door service?
A:Yes,by express(DHL,FEDEX,TNT,EMS,4-10 days to your city.)
7.Q:Coould you tell me the payment term of your company can accept?
A:T/T.L/C,Western Union,PayPal
8.Q:Could you tell me the delivery time of your doods?
A:If stock,in 7days or base on your order quantity.

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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small (28-55mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

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Customized Request

cross roller bearing

Are there specific maintenance practices that can extend the life of cross roller bearings?

Implementing proper maintenance practices is essential for extending the life of cross roller bearings. Regular maintenance helps prevent premature wear, minimize downtime, and ensure optimal performance. Here are specific maintenance practices that can contribute to extending the life of cross roller bearings:

  • Regular Inspection:
  • Perform regular inspections of cross roller bearings to detect any signs of wear, damage, or abnormal operating conditions. Visual inspections can identify visible damage, such as cracks, pitting, or corrosion. Additionally, monitoring noise, vibration, and temperature levels during operation can help identify potential issues early on.

  • Lubrication:
  • Proper lubrication is crucial for the smooth operation and longevity of cross roller bearings. Follow the manufacturer’s recommendations regarding the type and quantity of lubricant to use. Establish a regular lubrication schedule and ensure that the bearings are adequately lubricated. Monitor the lubricant condition and replenish or replace it as needed to maintain optimal lubrication levels.

  • Contamination Control:
  • Preventing contamination is essential for the longevity of cross roller bearings. Implement measures to control and minimize the ingress of contaminants, such as dust, dirt, or moisture. Use appropriate sealing or shielding mechanisms to protect the bearing from external particles. Clean the surrounding area regularly and ensure that the bearing housing and mounting surfaces are free from debris.

  • Proper Mounting:
  • Ensure proper mounting and alignment of cross roller bearings to avoid unnecessary stress or misalignment that can lead to premature wear. Follow the manufacturer’s guidelines for mounting procedures, including the use of suitable tools and torque values. Ensure that the mounting surfaces are clean, flat, and perpendicular to minimize stress concentrations.

  • Load and Speed Considerations:
  • Be mindful of the recommended load and speed limits specified by the bearing manufacturer. Avoid exceeding these limits as it can accelerate wear and decrease the bearing’s lifespan. If operating conditions change, such as increased load or speed, consult the manufacturer for guidance on appropriate bearing selection or additional maintenance measures.

  • Periodic Reassessment:
  • Periodically reassess the operating conditions and performance of cross roller bearings. As equipment and usage patterns may change over time, it is essential to periodically review the bearing’s performance and consider reevaluating maintenance practices. This can help identify potential improvements or adjustments to ensure continued reliability and longevity.

  • Training and Documentation:
  • Provide training to personnel responsible for the maintenance and operation of equipment that utilizes cross roller bearings. Ensure they are familiar with proper maintenance procedures and understand the importance of adhering to maintenance schedules. Maintain documentation of maintenance activities, including inspection reports, lubrication records, and any interventions or replacements performed.

By implementing these specific maintenance practices, it is possible to extend the life of cross roller bearings, optimize their performance, and minimize the risk of premature failures. Regular inspections, proper lubrication, contamination control, proper mounting, considering load and speed limits, periodic reassessment, and training and documentation are all key aspects of effective maintenance for cross roller bearings.

cross roller bearing

How do temperature variations and environmental conditions impact the performance of cross roller bearings?

Temperature variations and environmental conditions can significantly impact the performance of cross roller bearings. These factors affect the bearing’s materials, lubrication, and overall operation, and can lead to various performance issues. Here’s a detailed look at how temperature variations and environmental conditions impact cross roller bearings:

  • Material Expansion and Contraction:
  • Temperature variations cause materials to expand or contract. Cross roller bearings typically consist of different components made of various materials, such as steel, aluminum, or plastics. When exposed to temperature changes, these materials expand or contract at different rates, which can affect the internal clearances and preload of the bearing. Excessive expansion or contraction can lead to changes in bearing tolerances, increased friction, and potential issues with fitting and alignment.

  • Lubrication Performance:
  • Temperature variations can impact the performance of lubricants used in cross roller bearings. Lubricants have specific viscosity characteristics at different temperatures. High temperatures can cause lubricants to thin out, leading to reduced film thickness and increased friction. Conversely, low temperatures can cause lubricants to thicken, making it challenging for them to flow properly and provide sufficient lubrication. Inadequate lubrication due to temperature variations can result in increased wear, higher operating temperatures, and potential bearing failure.

  • Thermal Expansion of Bearing Components:
  • Temperature variations can also cause the bearing components themselves to expand or contract. This can affect the internal clearances and preload within the bearing. If the temperature rises, the bearing components may expand, leading to reduced internal clearances and potential binding or increased friction. On the other hand, lower temperatures can cause the bearing components to contract, resulting in increased internal clearances and potential play or reduced stiffness. These changes in clearances and preload can impact the precision, smoothness, and overall performance of the cross roller bearing.

  • Corrosion and Rust:
  • Environmental conditions, including moisture, humidity, and exposure to corrosive substances, can lead to corrosion and rust formation on the bearing surfaces. Corrosion can degrade the bearing’s performance by increasing friction, causing surface damage, and reducing the effectiveness of lubrication. In severe cases, corrosion can lead to pitting, spalling, or premature failure of the cross roller bearing. Proper sealing, lubrication, and protection against corrosive elements are essential to mitigate the impact of environmental conditions on the bearing’s performance.

  • Contamination and Particle Ingress:
  • Environmental conditions can introduce contaminants, such as dust, dirt, or debris, into the bearing system. These particles can enter through open seals or shields or when the machine is operating in dusty or dirty environments. Contamination can cause abrasive wear, increase friction, and compromise the bearing’s precision and reliability. The presence of contaminants can also accelerate lubricant degradation and lead to lubricant contamination, further impacting the bearing’s performance.

  • Operating Life and Durability:
  • Temperature variations and harsh environmental conditions can affect the operating life and durability of cross roller bearings. High temperatures can accelerate the aging and degradation of bearing materials, lubricants, and seals, reducing their overall lifespan. Exposure to extreme environmental conditions, such as high humidity or corrosive substances, can lead to premature wear and failure. Proper selection of materials, lubrication, and protective measures, such as seals and shields, is crucial to ensure the longevity and reliability of cross roller bearings in challenging operating environments.

In summary, temperature variations and environmental conditions have a significant impact on the performance of cross roller bearings. They can affect the materials, lubrication, internal clearances, and overall operation of the bearing. It is essential to consider these factors during the design, selection, and maintenance of cross roller bearings to ensure optimal performance, reliability, and longevity in various operating environments.

cross roller bearing

What are the common applications and industries where cross roller bearings are essential components?

Cross roller bearings find essential use in various applications and industries that require high precision, rigidity, and compact design. These bearings offer excellent rotational accuracy and load-carrying capacity, making them suitable for a wide range of demanding applications. Here’s a detailed overview of the common applications and industries where cross roller bearings are essential components:

  • Robotics and Automation:
  • Cross roller bearings are extensively used in robotics and automation systems. They provide precise rotational motion and support heavy loads with minimal deflection. Cross roller bearings are commonly found in robot joints, robotic arms, manipulators, and other robotic mechanisms that require accurate positioning and smooth motion control.

  • Machine Tools:
  • In the machine tool industry, cross roller bearings are vital components in various equipment such as milling machines, grinding machines, lathes, and machining centers. These bearings provide the necessary rigidity and accuracy for spindle rotation, table movement, and other critical functions in machine tools.

  • Medical and Healthcare:
  • The medical and healthcare sector relies on cross roller bearings for a range of applications. They are used in medical imaging equipment, including CT scanners, MRI machines, and X-ray systems, where precise and smooth movement is crucial. Cross roller bearings are also employed in surgical robots, patient tables, examination chairs, and other medical devices that require high precision and reliability.

  • Aerospace and Aviation:
  • Cross roller bearings play a significant role in the aerospace and aviation industry. They are utilized in aircraft landing gear systems, control surfaces, engine components, and satellite mechanisms. The compact design and high load-carrying capacity of cross roller bearings make them well-suited for aerospace applications that demand reduced weight and increased efficiency.

  • Semiconductor Manufacturing:
  • In semiconductor manufacturing, cross roller bearings are critical for precise wafer handling and positioning. They are used in wafer handling robots, inspection systems, lithography machines, and other semiconductor equipment. The high rigidity and low friction of cross roller bearings ensure accurate alignment and positioning of wafers during the manufacturing process.

  • Optical and Precision Instruments:
  • Cross roller bearings are extensively employed in optical and precision instruments, including telescopes, microscope stages, coordinate measuring machines (CMMs), and optical inspection systems. These bearings provide stable and smooth motion control, allowing for accurate observations, measurements, and alignments in these instruments.

  • Industrial Machinery:
  • Various industrial machinery and equipment rely on cross roller bearings for their critical operations. They are used in printing machines, packaging equipment, textile machinery, industrial robots, and assembly lines. Cross roller bearings provide the necessary precision, load capacity, and reliability required in these industrial applications.

  • Renewable Energy:
  • In the renewable energy sector, cross roller bearings are utilized in wind turbines and solar tracking systems. They enable the precise rotation and positioning of wind turbine blades and solar panels, ensuring optimal energy capture and conversion. Cross roller bearings contribute to the efficiency and reliability of renewable energy generation.

In summary, cross roller bearings are essential components in a wide range of applications and industries. They are commonly found in robotics and automation, machine tools, medical and healthcare equipment, aerospace and aviation systems, semiconductor manufacturing, optical and precision instruments, industrial machinery, and renewable energy systems. The unique characteristics of cross roller bearings make them indispensable for achieving accurate motion control, high load capacity, and long-term reliability in these demanding applications.

China OEM Factory Direct Sale Cross Tapered Roller Bearings Xrt1040-Nt Xrt Series   with Great qualityChina OEM Factory Direct Sale Cross Tapered Roller Bearings Xrt1040-Nt Xrt Series   with Great quality
editor by CX 2024-05-15