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Help CenterSpherical Roller Bearing 22310 CA/W33, Double Row, High Load Industrial Gearbox Bearing
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Henan San Kuang Machinery Technology Co., Ltd. is proud to offer the Spherical Roller Bearing 22310 CA/W33 – a premium double-row bearing engineered for high-load industrial gearbox applications. With over a decade of manufacturing experience (since 2014) and a factory spanning 10,000–30,000 square meters, we deliver precision components that meet the rigorous demands of heavy machinery, mining, and power transmission systems. This bearing combines self-aligning capability with exceptional radial and axial load capacity, ensuring extended service life and reduced downtime in your equipment.
Our 22310 CA/W33 bearing is designed with a brass cage (CA suffix) and lubrication grooves & holes (W33 suffix), making it ideal for high-speed, high-temperature environments where reliable lubrication is critical. Each unit undergoes strict quality control under our ISO9001-certified management system, and our products are exported to markets across North America, South America, Europe, Asia, and Africa. Trust our expertise to deliver consistent performance in your gearbox assemblies.
Key Features & Technical Specifications
- Double Row Self-Aligning Design: Compensates for shaft misalignment and deflection, reducing stress on adjacent components.
- Brass Cage (CA): Offers high strength, low friction, and excellent heat dissipation – suitable for continuous operation under heavy loads.
- W33 Lubrication System: Annular groove and three lubrication holes in the outer ring ensure efficient grease distribution and extended relubrication intervals.
- High Load Capacity: Optimized internal geometry delivers superior radial and axial load ratings, ideal for gearbox input/output shafts.
- Premium Steel Quality: Manufactured from GCr15 bearing steel (or equivalent), heat-treated for hardness and wear resistance.
- Standard Tolerance Class: Available in P0/P6 (normal/improved) – other precision grades customizable upon request.
- Wide Operating Temperature Range: -30°C to +120°C (with standard grease); higher temperature options available.
| Parameter | Value |
|---|---|
| Model | 22310 CA/W33 |
| Inner Diameter (d) | 50 mm |
| Outer Diameter (D) | 110 mm |
| Width (B) | 40 mm |
| Dynamic Load Rating (Cr) | ~ 128 kN (standard) |
| Static Load Rating (Cor) | ~ 140 kN (standard) |
| Limiting Speed (grease) | ~ 4,500 rpm |
| Weight | ~ 1.2 kg |
Benefits for Your Gearbox Application: The self-aligning feature reduces housing bore alignment requirements, simplifying installation. The double-row design distributes loads evenly, minimizing wear and extending bearing life. The W33 lubrication system ensures that grease reaches all critical contact points, even in high-speed or vertical shaft configurations. Compared to standard single-row bearings, the 22310 CA/W33 offers up to 30% higher load rating within the same footprint, making it a cost-effective upgrade for existing gearbox designs.
Trust & Quality Assurance
Henan San Kuang Machinery Technology Co., Ltd. has been a trusted supplier of industrial bearings since 2014. Our factory is equipped with advanced CNC machining centers, heat treatment lines, and precision measuring instruments. We employ a team of 51–100 skilled workers and engineers, and our annual export value exceeds US$2.5 million, serving customers in over 30 countries. Our quality management system is certified under ISO9001, and we also maintain standards such as ISO14000 and OHSAS18001, ensuring environmental responsibility and workplace safety.
Every bearing is 100% inspected for dimensional accuracy, radial clearance, and running noise before shipment. We offer flexible packaging options (individual boxes, wooden crates, or pallets) and ship from major ports including Shanghai, Qingdao, Tianjin, and Lianyungang. With a strong commitment to customer satisfaction, we provide technical support, custom labeling, and OEM/ODM services. Choose the 22310 CA/W33 for your next gearbox project – reliability backed by years of manufacturing excellence.
Contact us today for a quotation or free sample evaluation. Our team is ready to help you optimize your bearing selection and reduce your total cost of ownership.
Frequently Asked Questions (FAQ)
-
Q: What does the suffix “CA/W33” mean?
A: “CA” indicates a brass cage designed for high-speed and high-temperature applications. “W33” means the outer ring has an annular lubrication groove and three lubrication holes for efficient grease distribution. -
Q: Can this bearing be used in a gearbox with high axial loads?
A: Yes, spherical roller bearings can handle both radial and axial loads in either direction. The double-row design provides excellent axial load capacity, making it suitable for gearbox shafts. -
Q: What is the typical operating temperature range?
A: With standard grease, the bearing can operate from -30°C to +120°C. For higher temperature environments, special heat-stabilized steel and high-temperature grease are available upon request. -
Q: Is the bearing interchangeable with other brands like SKF or FAG?
A: Yes, the 22310 CA/W33 is dimensionally interchangeable with equivalent spherical roller bearings from major brands. Our bearings are manufactured to international standards (ISO 15, DIN 635) to ensure direct replacement. -
Q: What lubrication method do you recommend?
A: For most gearbox applications, grease lubrication is sufficient. The W33 feature facilitates relubrication without disassembling the housing. Oil lubrication can also be used if the bearing is part of an oil-circulating system. -
Q: Do you offer customized packaging or labeling?
A: Yes, we provide OEM/ODM services including custom packaging, private labeling, and special packaging for export. Please discuss your requirements with our sales team. -
Q: How long is the lead time for large orders?
A: For standard sizes, lead time is typically 15–25 working days. Larger quantities or customized variants may require 30–45 days. We maintain a buffer stock of popular models to expedite urgent orders. -
Q: What quality certificates do you have for this product?
A: Our manufacturing facility is ISO9001 certified, and we follow strict quality control procedures. If you require specific certificates (e.g., material test reports, dimensional inspection reports), we can provide them upon request.
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