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Crossed Cylindrical Roller Slewing Bearings

1. Type: External gear, Internal gear, No gear
2. Size: For No Gear Type
Inner Diameter: 320-4272mm ,Outer Diameter: 550-4726mm
Weight: 85.6-3100kg
For Internal Gears Type
Inner Diameter: 398-4272mm ,Outer Diameter: 602-4726mm
Weight: 80-3100kg
For External gear type
Inner Diameter: 398-4272mm ,Outer Diameter: 602-4726mm
Weight: 80-3100kg
3. Feature: Cross cylindrical roller slewing bearings main structural characteristics: 1:1 cross arrangement of cylindrical rollers.The bearing with this structure features high stability, high precision, and high impact resistance. For example, the cannon's rotary base uses this kind of bearing.
4. Application: Slewing bearings are widely used in cranes, excavation machines, construction machinery, port cargo handling machinery, large turnplates of high precision radars and missile launchers, etc.
5. Material:50Mn/42CrMo/S48C/42CrMo4/16Mn

Product Description

Crossed Cylindrical Roller Slewing Bearings are specialized bearings designed to handle complex load demands in various heavy-duty machinery. These bearings consist of cylindrical rollers arranged in a crossed pattern, allowing them to support axial, radial, and moment loads simultaneously. The unique design of these bearings makes them ideal for applications that require high precision, stability, and load capacity, such as construction machinery, lifting equipment, and wind turbines.

CHG Bearing: Your Trusted Manufacturer and Supplier

CHG Bearing has been a leader in the slewing bearing industry for over 30 years, offering customized solutions for diverse working conditions. Our commitment to quality, innovation, and customer satisfaction has earned us partnerships with major companies across various industries. Here’s why you should choose CHG Bearing for your product needs:

  1. Customization and Solutions: We provide tailored solutions to meet specific working conditions, ensuring optimal performance and longevity.
  2. Industry Experience: With three decades of expertise, we understand the unique challenges of different applications and offer reliable products that stand the test of time.

Technical Specifications

Here are the technical specifications of our Crossed Cylindrical Roller Slewing Bearings:

Parameter Specification Details
Bearing Type Crossed Cylindrical Roller
Outer Diameter (mm) 300-4000
Inner Diameter (mm) 200-3900
Axial Load Capacity (kN) Up to 5000
Radial Load Capacity (kN) Up to 3000
Moment Load Capacity (kN.m) Up to 1000
Operating Temperature (°C) -40 to +80
Material High-quality bearing steel
Lubrication Grease or oil, based on application
Sealing Double lip seal

Benefits of Crossed Cylindrical Roller Slewing Bearings

  • High Load Capacity: Designed to handle axial, radial, and moment loads simultaneously, ensuring optimal performance in heavy-duty applications.
  • Precision and Stability: The crossed roller arrangement provides excellent rigidity and rotational accuracy, making them suitable for high-precision machinery.
  • Space-Saving Design: The compact structure allows for space-efficient integration into various equipment, reducing the overall footprint.
  • Long Service Life: Made from high-quality materials and engineered for durability, these bearings offer an extended service life even in challenging environments.
  • Versatility: Suitable for a wide range of applications, from construction and lifting machinery to wind turbines and medical equipment.

Applications

Crossed Cylindrical Roller Slewing Bearings are used in various industries, including:

  • Construction Machinery: Excavators, loaders, bulldozers, and more.
  • Lifting Machinery: Tower cranes, gantry cranes, and truck cranes.
  • Wind Power Generation: Supporting the rotating parts of wind turbines for stable operation.
  • Oil Drilling: Ensuring the stable operation of drilling rigs under high loads.
  • Military Equipment: Enhancing the mobility and combat performance of tanks and armored vehicles.
  • Port Terminals: Improving loading and unloading efficiency in cranes and gantry cranes.
  • Agricultural Machinery: Enabling flexible rotation in harvesters and tractors.
  • Medical Equipment: Facilitating the smooth operation of imaging devices like MRI machines.
  • Amusement Facilities: Enhancing the rotational function in rides like carousels and Ferris wheels.
  • Aerospace: Ensuring the stable rotation of satellites and other space equipment.

Installation Guide

Proper installation of product is crucial for their performance and longevity. Follow these steps for a successful installation:

  1. Preparation: Ensure that the mounting surface is clean, flat, and free from any contaminants.
  2. Alignment: Align the bearing with the mounting surface using dowel pins or other alignment tools.
  3. Bolting: Tighten the bolts in a star pattern to ensure even pressure distribution.
  4. Lubrication: Apply the recommended lubricant to the bearing before operation.
  5. Testing: After installation, perform a test run to check for any unusual noises or vibrations.

Maintenance and Care

Regular maintenance of product is essential to prevent premature wear and ensure smooth operation. Here are some maintenance tips:

  • Lubrication: Regularly check and replenish the lubricant according to the manufacturer's recommendations.
  • Inspection: Periodically inspect the bearing for signs of wear, corrosion, or damage.
  • Cleaning: Keep the bearing and surrounding area clean to prevent contamination.
  • Bolt Tightening: Check and retighten the bolts as needed to maintain proper alignment and pressure.

FAQ

Q: What are the advantages of using Crossed Cylindrical Roller Slewing Bearings in construction machinery?

A: These bearings offer high load capacity, precision, and stability, making them ideal for demanding applications in construction machinery.

Q: How do I choose the right bearing for my application?

A: Consider factors such as load capacity, speed, precision, and environmental conditions. Our technical team is available to assist you in selecting the best bearing for your needs.

Q: Can CHG Bearing provide custom solutions?

A: Yes, we offer customization options to meet the specific requirements of different working conditions.

Customer Reviews

  • John D. (Construction Equipment Manufacturer): "We've been using CHG's products for years, and they've never let us down. Their durability and precision are unmatched."
  • Sarah L. (Wind Turbine Supplier): "CHG Bearing's Crossed Cylindrical Roller Slewing Bearings have significantly improved the efficiency and stability of our wind turbines. Highly recommend!"
  • Tom H. (Oil Drilling Equipment Supplier): "CHG Bearing's bearings have proven to be reliable and robust in our challenging drilling environments. Great product and excellent support."

Contact Us

For more information or to place an order, please contact us at sale@chg-bearing.com. Our team is ready to assist you with all your products needs.

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