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Help CenterDouble Row Spherical Roller Bearing 22322CA/W33 For Mining Machinery
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Henan San Kuang Machinery Technology Co., Ltd., established in 2014, is a professional manufacturer of high-quality bearings with a factory area of 10,000–30,000 square meters and an annual export value between US$2.5 Million and US$5 Million. Our experienced team of 51–100 employees is dedicated to delivering reliable products for heavy industries. The Double Row Spherical Roller Bearing 22322CA/W33 is specifically designed for mining machinery, offering exceptional load capacity, durability, and alignment compensation. With rigorous quality control and international certifications (ISO 9001, ISO 14000, etc.), we ensure that every bearing meets the demanding requirements of mining applications, reducing downtime and extending equipment life.
Product Overview & Key Features
- Double Row Design: Two rows of symmetrical spherical rollers allow the bearing to accommodate heavy radial and axial loads in both directions, ideal for vibrating screens, crushers, and conveyor systems.
- Self-Aligning Capability: The spherical outer ring raceway enables the bearing to compensate for shaft misalignment or deflection caused by heavy loads or mounting errors, reducing stress on adjacent components.
- Brass Cage (CA suffix): The machined brass cage provides high strength, excellent wear resistance, and low friction, ensuring stable operation under high-speed and high-temperature conditions.
- W33 Lubrication Feature: The outer ring is equipped with three lubrication holes and a circumferential oil groove, facilitating effective grease replenishment and distribution for extended maintenance intervals.
- High-Quality Steel: Manufactured from GCr15 chrome steel with optimized heat treatment, the bearing exhibits high hardness, fatigue resistance, and dimensional stability.
Technical Specifications
| Parameter | Value |
|---|---|
| Basic Dynamic Load Rating (Cr) | 970 kN |
| Basic Static Load Rating (Cor) | 1250 kN |
| Fatigue Load Limit (Pu) | 125 kN |
| Reference Speed (Grease) | 2000 rpm |
| Limiting Speed (Oil) | 2600 rpm |
| Mass (Approx.) | 11.5 kg |
Note: Load ratings and speeds are based on standard calculation methods. Actual performance may vary depending on operating conditions. Contact us for customized solutions.
Benefits for Mining Machinery
- Reduced Downtime: The self-aligning feature minimizes bearing failures due to shaft deflection, common in heavy-duty mining equipment such as crushers and mills.
- Enhanced Load Capacity: Double row design distributes loads over a larger contact area, allowing the bearing to withstand shock loads and vibrations typical in ore processing.
- Extended Service Life: Brass cage and high-quality steel reduce wear and heat generation, leading to longer relubrication intervals and overall bearing life.
- Easy Maintenance: W33 lubrication holes enable efficient grease injection without disassembling the bearing housing, saving time and labor costs.
- Compatibility: Standard dimensions (ISO 15) allow direct replacement of existing bearings, reducing retrofitting complexity.
Quality Assurance & Company Strength
At Henan San Kuang Machinery Technology Co., Ltd., we adhere to stringent quality management systems. Our facility is certified under ISO 9001, ISO 14000, OHSAS 18001, and other international standards. We have exported to over 15 regions including North America, Europe, Southeast Asia, Africa, and the Middle East, serving clients in mining, construction, and heavy industries. Our annual export value of US$2.5–5 million reflects global trust in our products. Every batch of bearings undergoes dimensional inspection, hardness testing, and rotational noise checks before shipment. With convenient ports in Shanghai, Qingdao, Tianjin, and Lianyungang, we ensure prompt delivery worldwide.
We are confident that the 22322CA/W33 Double Row Spherical Roller Bearing will meet your most demanding mining applications. Contact our sales team for competitive pricing, technical support, or custom packaging options. Let us be your reliable partner for heavy-duty bearing solutions.
Frequently Asked Questions (FAQ)
-
What is the difference between 22322CA and 22322CA/W33?
The CA suffix indicates a brass cage. The W33 suffix adds an oil groove and three lubrication holes in the outer ring for improved lubrication. The W33 version is recommended for applications requiring frequent relubrication. -
What is the maximum operating temperature for this bearing?
Standard GCr15 steel bearings can operate continuously up to 120°C. For higher temperature environments, special heat stabilization treatments are available upon request. -
Can this bearing be used in vibrating screens?
Yes, its double row spherical design and robust cage make it suitable for vibrating screens and other equipment with moderate to high vibration and shock loads. -
What is the typical lead time for this product?
Lead time is usually 15–25 working days for standard sizes, depending on order quantity. Urgent orders can be expedited with prior arrangement. -
How is the bearing packaged for export?
Each bearing is individually wrapped with anti-rust paper, packed in wooden crates or cartons, and strapped on pallets to ensure safe transport. Custom packaging (e.g., vacuum packaging) is available on request. -
Do you provide customized sizes or modifications?
Yes, we can produce non-standard dimensions, special cage materials (e.g., steel, polymer), or coatings (e.g., black oxide) based on your design. MOQ may apply. -
What warranty do you offer?
We offer a standard 12-month warranty from the date of shipment against manufacturing defects. Extended warranty programs are negotiable for long-term partners. -
How can I verify the authenticity of your bearings?
Every bearing is marked with a production lot number. We provide a certificate of analysis and quality reports upon request. You may also contact our sales team for traceability information.
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