Spherical Roller Bearings
Spherical roller bearings are designed to adapt to severe misalignment caused by mounting or deflection on the shaft & housing. Not every type of bearing has the ability to face the challenge of misalignment. Meanwhile, due to its two rows of rollers, spherical roller bearings are able to bear high radial loads and some axial loads. They adopt a spherical or crowned rollers as rolling elements and the raceway of the outer ring is also in spherical shape. For shock loads, their feature of self-aligning helps to absorb but has limited capabilities to high speed. As one of the widely used bearings, China spherical roller bearings do you a favor in obtaining lower maintenance costs, increasing productivity, and prolonging the service life.
Spherical Roller Bearings Designation and Size Chart
Different Types of Spherical Roller Bearings
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Single Row Spherical Roller BearingSingle-row spherical roller bearings are self-retaining and they can handle both radial and thrust loads. Bar contact is another feature of single-row spherical roller bearings. -
Double Row Spherical Roller BearingDouble-row spherical roller bearings have spherical raceways in the outer rings of two rows of rollers. They can handle large radial loads and are able to bear axial load in any direction. -
Thrust Spherical Roller BearingsSpherical thrust roller bearings is a kind of thrust rolling bearing. They allow low friction rotation and angular deviation and are designed to bear radial load and one-way axial load.
Features of ZWA Spherical Roller Bearings
Cost Reduction
ZWA bearings are cost-effective and with excellent performance, they assist the customers to reduce the cost.
Long service life
With super Bainite heat treatment or salt bath Martentised heat treatment, together with high-standard steel and original brass or steel cage, the bearing service life of ZWA is greatly expanded.
Reliability
The concentration of rings are 100% inspected, tolerance of inner and outer diameter & raceways are all within 0.01mm. Hard turning to the inner ring ribs avoid the fissure and release stress.
Bearings Catalog
Check out our online product catalog with more than 10,000 products with full specifications & 3D CAD Models available for download - all free of charge!
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Design Technology
Customized design based on detailed working condition and special requirements from the customers.
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Manufacturing Technology
Whole in-house process with most advanced testing and production equipment. A strict and high-standard quality control system guarantees the quality and service life of bearings.
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Material Technology
World top steel suppliers with high purity. ZWA’s customized steel from OWAKO, Bao steel, and TIMKEN steel.
What are the benefits of spherical roller bearings?
Spherical roller bearings offer several benefits:
High Load Capacity: They can handle heavy radial and axial loads, ideal for demanding applications.
Versatility: Spherical roller bearings accommodate misalignment, suitable for situations with shaft deflection or misalignment.
Durability: Designed to endure harsh conditions like high temperatures, shock, and vibration, ensuring long service life.
Self-Aligning: Spherical roller bearings can self-align, reducing stress and improving performance.
Various Sizes and Configurations: Available in many sizes and configurations, offering design flexibility.
Lubrication Options: Can be lubricated with grease or oil, catering to different conditions and maintenance needs.
Reduced Friction and Energy Use: Advanced designs and materials lower friction, leading to energy savings and better efficiency.
What is the difference between Spherical roller bearings and cylindrical roller bearings?
Spherical roller bearings and cylindrical roller bearings are two types of roller bearings with unique design features and applications. Here are the key differences between them:
Design and Construction:
Spherical Roller Bearings: Feature barrel-shaped rollers between the inner and outer rings, accommodating both radial and axial loads and allowing self-alignment.
Cylindrical Roller Bearings: Use cylindrical rollers in linear contact with the raceways, mainly handling high radial loads with limited axial load capacity.
Load Capacity:
Spherical Roller Bearings: Higher load-carrying capacity, handling both radial and axial loads.
Cylindrical Roller Bearings: Primarily designed for high radial loads with limited axial load handling.
Misalignment Capability:
Spherical Roller Bearings: Excellent tolerance for misalignment due to their spherical design.
Cylindrical Roller Bearings: Limited misalignment capability, best for applications with minimal misalignment.
Axial Load Handling:
Spherical Roller Bearings: Capable of handling significant axial loads in both directions.
Cylindrical Roller Bearings: Can handle limited axial loads, focusing mainly on radial load handling.
Design Variations:
Spherical Roller Bearings: Available in various designs, including double-row and multi-row configurations, for diverse load and application needs.
Cylindrical Roller Bearings: Offered in single-row, double-row, and multi-row designs, with different cage options for specific applications.
Spherical Roller Bearings: Ideal for high load capacity, self-alignment, and handling both radial and axial loads.
Cylindrical Roller Bearings: Best for high radial load applications with limited misalignment and axial load requirements.
Applications of Spherical Roller Bearing
Spherical roller bearings are versatile and find use across diverse industries:
Heavy Machinery: Used in mining, construction, and agriculture for heavy loads.
Industrial Gearboxes: Reliable performance in conveyors, crushers, and mills.
Steel and Metal Processing: Withstand harsh conditions in mills and processing equipment.
Paper and Pulp Industry: Support rollers, dryers, and calenders under continuous operation.
Wind Turbines: Smooth rotation in turbines, handling radial and axial loads.
Mining and Quarrying: Reliable performance in crushers, screens, and conveyors.
Cement and Aggregate Industry: Handling high loads in crushers, kilns, and mills.
Marine and Offshore: Reliable in ship propulsion, deck machinery, and drilling rigs.
Spherical roller bearings excel in heavy loads, misalignment, and harsh environments, making them versatile across industries.
DELIVERING ZWA SOLUTIONS
Are you searching for a high and stable quality bearing supplier? Are you managing to reduce the cost by bearings? Do you need customized bearings? ZWA is at your service to offer you all kinds of solutions concerning bearings.
ZWA is looking for distributors all over the world. If you are a quality-oriented distributor, if you suffer from long term delivery and after-sale service, if you want to increase the profit, contact us. ZWA bearings live up your expectations.
