Product Description

Cross cylindrical roller bearing structure
The cross cylindrical roller bearing mechanism is divided into 3 froms: 
1 outer ring and inner ring are both as a whole.  
2 The outer ring as a whole, the inner ring split
3 The outer ring split , the inner ring as a whole

Model Number ID (mm) OD  (mm) Width (mm) Cr (kN) Cor (kN) Weight (kg)
RA5008 50 66 8 5.1 7.19 0.08
RA6008 60 76 8 5.68 8.68 0.09
RA7008 70 86 8 5.98 9.8 0.1
RA8008 80 96 8 6.37 11.3 0.11
RA9008 90 106 8 6.76 12.4 0.12
RA 10008 100 116 8 7.15 13.9 0.14
RA11008 110 126 8 7.45 15 0.15
RA12008 120 136 8 7.84 16.5 0.17
RA13008 130 146 8 7.94 17.6 0.18
RA14008 140 156 8 8.33 19.1 0.19
RA15008 150 166 8 8.82 20.6 0.2
RA16013 160 186 13 23.3 44.9 0.59
RA17013 170 196 13 23.5 46.5 0.64
RA18013 180 206 13 24.5 49.8 0.68
RA19013 190 216 13 24.9 51.5 0.69
RA20013 200 226 13 25.8 54.7 0.71

CE Certificate:

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.

Other Bearings:

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Standard or Nonstandard: Standard
Feature: High Speed, Corrosion-Resistant, Heat-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Deep Groove Raceway
Material: Bearing Steel
Samples:
US$ 80.17/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

slewing bearing

What Role do Seals and Enclosures Play in Protecting Slewing Bearings from Contaminants?

Seals and enclosures play a crucial role in safeguarding slewing bearings from contaminants, moisture, and other external factors that can lead to premature wear and damage. Here’s how seals and enclosures contribute to the protection of slewing bearings:

  • Contaminant Exclusion:

Seals and enclosures create a physical barrier that prevents contaminants like dust, dirt, sand, and particles from entering the bearing’s internal components. This exclusion minimizes abrasive wear and preserves the integrity of the rolling elements and raceways.

  • Moisture and Corrosion Prevention:

Seals and enclosures provide a shield against moisture and water ingress, crucial in preventing corrosion and rust formation on bearing surfaces. Corrosion-resistant seals are particularly valuable in marine and humid environments.

  • Chemical and Chemical Vapor Resistance:

Specialized seals and enclosures can offer resistance to chemicals, acids, and corrosive substances that might be present in the operating environment. This protection prevents chemical damage to the bearing’s components.

  • Lubrication Retention:

Seals and enclosures help retain the lubricant within the bearing, preventing it from leaking out and ensuring consistent lubrication for smooth operation. This is essential for reducing friction and wear.

  • Prevention of Solid Particle Contamination:

Seals and enclosures block solid particles from entering the bearing chamber, reducing the risk of particle-induced wear, surface damage, and premature failure.

  • Temperature Regulation:

Some seals and enclosures offer thermal insulation, which helps regulate the operating temperature of the bearing. This can be crucial in applications with extreme temperature variations.

  • Enhanced Longevity:

By protecting the bearing from contaminants and adverse environmental conditions, seals and enclosures contribute to the extension of the bearing’s operational life, reducing the need for frequent replacements.

  • Sealing Types:

Seals can come in various types, including lip seals, labyrinth seals, and specialized designs. The choice of seal depends on the application’s requirements and the level of protection needed.

  • Proper Installation and Maintenance:

Proper installation and regular inspection of seals and enclosures are essential to ensure their effectiveness. Damaged or worn seals should be promptly replaced to maintain protection.

In summary, seals and enclosures serve as a critical defense mechanism for slewing bearings against contaminants, moisture, and harmful substances. They contribute to the bearing’s reliability, performance, and overall longevity in various operating environments.

slewing bearing

Are there any Specific Safety Precautions to Take When Working with Slewing Bearings?

Working with slewing bearings involves certain safety considerations to prevent accidents and ensure the well-being of personnel. Here are some specific safety precautions to take:

  • Training and Knowledge:

Ensure that personnel working with slewing bearings are properly trained and have a clear understanding of the equipment, procedures, and safety protocols.

  • Protective Equipment:

Use appropriate personal protective equipment (PPE), including gloves, safety goggles, and hearing protection, to safeguard against potential hazards.

  • Lockout/Tagout:

Follow lockout/tagout procedures when performing maintenance or repairs. Locking out equipment prevents unexpected activation and potential hazards.

  • Machine Shutdown:

Before working on machinery containing slewing bearings, ensure that the equipment is properly shut down, power sources are disconnected, and any stored energy is released.

  • Proper Tools:

Use suitable tools and equipment for maintenance and assembly to prevent accidents and ensure accurate work.

  • Weight Handling:

If handling heavy slewing bearing components, use appropriate lifting equipment and techniques to avoid strain or injury.

  • Secure Work Area:

Ensure that the work area is clean, organized, and free from obstacles. This reduces the risk of tripping hazards and improves overall safety.

  • Work with a Partner:

Whenever possible, perform tasks involving slewing bearings with a partner. Having someone nearby can provide assistance in case of emergencies.

  • Safe Access:

Ensure safe access to the work area, including the use of stable platforms or ladders, to prevent falls or slips.

  • Warning Signs:

Use proper warning signs and labels to alert others about ongoing maintenance or potential hazards related to slewing bearings.

  • Manufacturer Guidelines:

Adhere to the manufacturer’s recommendations for maintenance, lubrication, and safety practices specific to the slewing bearings being worked on.

  • Emergency Procedures:

Have clear emergency procedures in place and communicate them to all personnel. Know the location of emergency equipment and exits.

By following these safety precautions, you can minimize risks associated with working on slewing bearings and create a safer environment for maintenance personnel.

slewing bearing

What are the Advantages of Using Slewing Bearings in Industrial Applications?

Slewing bearings offer several advantages that make them valuable components in various industrial applications. Some of the key advantages include:

  • High Load-Carrying Capacity: Slewing bearings are designed to handle significant axial, radial, and moment loads simultaneously, making them suitable for heavy-duty industrial equipment.
  • Space and Weight Savings: Slewing bearings enable compact designs by combining axial and radial bearing functions into a single unit. This helps save space and reduces the overall weight of machinery.
  • Smooth Rotational Movement: The design of slewing bearings ensures smooth and precise rotation, contributing to the efficiency and performance of machinery and equipment.
  • Minimal Maintenance: Properly lubricated slewing bearings require minimal maintenance due to their robust construction and efficient load distribution.
  • Enhanced Durability: Slewing bearings are built to withstand harsh environmental conditions, heavy loads, and repetitive movements, leading to long service life.
  • Cost Efficiency: Despite their initial investment, the extended lifespan and low maintenance requirements of slewing bearings result in cost savings over time.
  • Customizability: Slewing bearings can be tailored to specific application requirements, including size, load capacity, and sealing options.
  • Precise Positioning: Slewing bearings with integral gearing systems allow for accurate positioning, making them ideal for applications that demand controlled movement.
  • Versatility: They are used in a wide range of industries, including construction, manufacturing, energy, transportation, and more.
  • Reduced Friction and Wear: The rolling-element design of slewing bearings reduces friction and wear, contributing to efficient operation and extended component life.

Overall, the advantages of slewing bearings make them indispensable in industrial applications where reliable and efficient rotational movement is required.

China Custom RA9008 RA 9008 CZPT chrome steel slewing ring bearing price   supplierChina Custom RA9008 RA 9008 CZPT chrome steel slewing ring bearing price   supplier
editor by CX 2024-04-13