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Choosing the Right Bearing for Your Rotary Application: A Comparison of Cross Roller Bearings and Turntable Bearings

Turntable Bearings

When it comes to rotary applications, the selection of the right bearing is critical to achieving smooth and efficient operation. Two common types of bearings used in these applications are cross roller bearings and turntable bearings. In this article, we will compare and contrast these two types of bearings to help you choose the right one for your application.

Cross Roller Bearings

Cross roller bearings, also known as crossed roller bearings, are designed to handle both radial and axial loads. They consist of two sets of cylindrical rollers arranged at right angles to each other, with the rollers positioned between two raceways. This configuration provides high radial and axial rigidity, making cross roller bearings suitable for applications with heavy loads and high accuracy requirements.

One of the key advantages of cross roller bearings is their low friction and heat generation, which results in longer service life and lower maintenance costs. These bearings are commonly used in robotics, machine tools, medical equipment, and other high-precision applications.

Turntable Bearings

Turntable bearings, also known as slewing bearings or slewing rings, are designed to handle axial, radial, and moment loads while rotating at low speeds. They consist of an inner and outer ring with a series of rolling elements (such as balls or rollers) sandwiched between them. The rolling elements are typically arranged in a circular pattern, allowing the bearing to rotate smoothly and evenly.

One of the key advantages of turntable bearings is their ability to handle heavy loads, making them suitable for applications such as cranes, excavators, wind turbines, and radar antennas. They are also commonly used in medical equipment, aerospace, and defense applications.

Comparison

When comparing cross roller bearings and turntable bearings, there are several factors to consider:

  1. Load Capacity: Turntable bearings have a higher load capacity than cross roller bearings, making them suitable for applications with heavier loads.

  2. Rigidity: Cross roller bearings have higher radial and axial rigidity than turntable bearings, making them suitable for applications with high accuracy requirements.

  3. Friction: Cross roller bearings have lower friction and heat generation than turntable bearings, resulting in longer service life and lower maintenance costs.

  4. Cost: Turntable bearings are generally more expensive than cross roller bearings, due to their larger size and higher load capacity.

In summary, both cross roller bearings and turntable bearings have unique features and advantages that make them suitable for different types of rotary applications. When selecting the right bearing for your application, it’s important to consider factors such as load capacity, rigidity, friction, and cost. By understanding the differences between these two types of bearings, you can make an informed decision that meets your specific needs and ensures smooth and efficient operation.

Cross Roller Bearings Product Series

RA Series Cross Roller Bearing (16)

RB Series Cross Roller Bearing (52)

RU Series Cross Roller Bearing (11)

SX Series Cross Roller Bearing (13)

CRBT Series Cross Roller Bearing (13)

CRBF Series Cross Roller Bearing (8)

CRBH Series Cross Roller Bearing (19)

CRBS Series Cross Roller Bearing (16)

XR/JXR Cross Tapered Roller Bearing (18)

For expert guidance in meeting your specific requirements, reach out to our knowledgeable team. Experience firsthand how our precision solutions can elevate your machinery’s efficiency and durability. Contact us today!

LKPB With more than 10 years of production experience

Supporting OEM service; 50 days return service; 7*24 hours technical support; Accept non-standard customization; Maximum 24 months product warranty

FAQ

Luoyang LIKE Precision Machinery Co., Ltd – LKPB,Located in Luoyang, which is a bearing manufacturing base in China, we are an enterprise focusing on the research, development and manufacture of precision bearings, mainly producing precision crossed roller bearings and rotary table bearings and various non-standard bearings with precision class of P5, P4 , P2 and VSP.

The company strictly follows the ISO9001 quality system requirements for product quality control, relying on the professional technology of the bearing production base, the product quality is stable and cost-effective, and is well received by customers at home and abroad. The company adheres to the concept of “openness, professionalism and responsibility”, and strives to become a professional bearing application service provider. Welcome customers to negotiate, looking forward to sincere cooperation with you, willing to achieve a win-win situation with you!

Luoyang LIKE Precisoin Machinery Co., Ltd has accumulated rich production experience in the past 10 years,  supporting OEM service. Our products are exported to Germany, Italy, Korea, Japan, the United States, Belgium, Turkey and so on.

Top quality: Rotary table bearing (YRT, YRTS, YRTM,  ZKLDF series) ; Cross Roller Bearing (RA/RAU, RB, RE, RU, SX, XU, XR/JXR, XSU,CRB/CRBC, CRBS, CRBH, CRBT, CRBF series);  Harmonic Reducer Bearings ( CSF, SHF series); Hollow Rotary Platform bearings ( ZK series); and Flexible Bearings ( FS series ) .

Yes, We have experience working in this area

The main application areas of our products are precision rotary tables, machining center rotary tables, industrial robot joints and rotating, robotic rotating parts, CNC machine tools, automation industry, direct drive motors, precision instruments, radar, medical equipment and other industries.

Regular models are in stock, reasonable prices, ready for delivery, non-standard precision bearings according to the requirements of the drawings and the number of 1-3 weeks delivery time

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