Description

Double Row Cylindrical Roller Bearings: Superior Performance and Reliability

Double row cylindrical roller bearings are high-performance components designed for applications demanding exceptional radial load capacity and rigidity. Unlike their single-row counterparts, these bearings offer increased stiffness and a larger load-carrying capacity, making them ideal for heavy-duty machinery and high-precision equipment. This enhanced performance is achieved through the utilization of two rows of cylindrical rollers working in concert.

Key Features and Benefits:

• High Radial Load Capacity: The double row configuration significantly increases the bearing's ability to withstand substantial radial loads, making them suitable for applications with high stress levels.
• Increased Rigidity and Stiffness: The dual roller arrangement provides superior stiffness compared to single-row bearings, resulting in improved accuracy and reduced deflection under load. This is crucial for applications requiring precise positioning and minimal vibration.
• High Speed Capability: While capable of handling heavy loads, these bearings are also designed to operate at high speeds, depending on the specific design and lubrication.
• Compact Design: Despite their increased load capacity, double row cylindrical roller bearings often maintain a compact design, making them suitable for space-constrained applications.
• Reduced Vibration and Noise: Properly installed and lubricated, these bearings exhibit low vibration and noise levels, contributing to smoother operation and extended lifespan.
• Various Configurations: Available in numerous configurations, including those with inner and outer rings, caged rollers for improved roller guidance, and different tolerances to meet specific application requirements. Options also include variations in seal types (e.g., shielded, sealed) to protect against contaminants.

Applications:

Double row cylindrical roller bearings find applications across a wide range of industries, including:

• Heavy-duty machinery: Rolling mills, presses, gearboxes, and other heavy industrial equipment.
• Automotive industry: Axles, transmissions, and other powertrain components.
• Power generation: Turbines, generators, and other rotating machinery.
• Mining and construction equipment: Excavators, loaders, and other heavy-duty vehicles.
• Precision machinery: Machine tools, robots, and other high-precision equipment.

Specifications (General - Specifics vary by model):

• Bore Diameter: Available in a wide range of bore diameters to accommodate various shaft sizes.
• Outer Diameter: Determined by the bore diameter and bearing width.
• Width: Impacts the bearing's load capacity and stiffness.
• Roller Diameter and Number: The number and size of rollers influence the load-carrying capacity.
• Clearance: Pre-set clearance ensures optimal performance and minimizes friction.
• Material: High-quality bearing steel for superior durability and fatigue resistance.

Selection Considerations:

When selecting a double row cylindrical roller bearing, consider the following factors:

• Radial load: Determine the maximum radial load the bearing will experience.
• Shaft speed: Ensure the bearing is rated for the intended operating speed.
• Operating environment: Consider temperature, humidity, and potential contaminants.
• Mounting: Choose the appropriate mounting method to ensure proper fit and alignment.
• Lubrication: Select a suitable lubricant to minimize friction and extend bearing life.

For precise specifications and selection assistance, please consult our technical documentation or contact our sales team. We offer a wide range of double row cylindrical roller bearings to meet your specific application needs. Our bearings are manufactured to the highest quality standards, ensuring long-lasting performance and reliability.