Product Specifications
| Parameter |
Details |
| Model NO. |
21308 CC CA W33 |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Clearance |
C0, C3, C4 |
| Service |
OEM, ODM |
| Rolling Body |
Roller Bearings |
| The Number of Rows |
Double |
| Material |
Bearing Steel |
| Spherical |
Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Unseparated |
| Specification |
100*215*47 mm |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Gearboxes, Conveyors |
| Construction |
Excavators, Crushers |
| Agriculture |
Harvesters, Tractors |
| Steel & Metallurgy |
Rolling Mills, Continuous Casters |
| Mining |
Drilling Equipment, Loaders |
Stop Equipment Downtime with 21308 CC CA W33 Spherical Roller Bearings
Industrial machinery operators know the cost of unexpected bearing failure—hours of production lost, expensive repairs, and missed deadlines. When standard bearings can’t handle heavy radial loads or shaft misalignment, even the most reliable equipment grinds to a halt. Sourcing high-quality replacements with the right specifications often means long lead times or minimum order quantities that don’t fit urgent maintenance needs.
High Capacity Spherical Roller Bearings for Critical Machinery
The 21308 CC CA W33 Spherical Roller Bearing is engineered to solve these challenges. As a high capacity bearing designed for industrial machinery, it handles heavy radial loads and moderate axial loads while accommodating shaft misalignment—common in gearboxes, conveyors, and crushers. With ISO9001 certified production and a dedicated QC lab, we ensure each bearing meets P0-P4 precision standards, delivering consistent performance you can rely on.
Engineered for Demanding Industrial Conditions
This spherical roller bearing thrives in harsh operating environments where reliability is non-negotiable. Its double row roller design and aligning capabilities make it ideal for applications with heavy loads, variable speeds, and potential shaft deflection—such as in mining equipment and construction machinery. The W33 designation indicates a lubrication groove and three oil holes, ensuring efficient lubricant distribution even during extended operation, reducing wear and extending service life.
Technical Features That Maximize Performance
The 21308 CC CA W33’s performance is defined by critical technical parameters. Its 100mm bore diameter, 215mm outer diameter, and 47mm width provide a robust foundation for heavy-duty applications. Precision ratings from P0 (standard) to P4 (high precision) allow customization based on equipment requirements—P4 grade minimizes vibration in high-speed machinery, while P0 offers cost-effective reliability for general industrial use. Clearance options (C0, C3, C4) accommodate thermal expansion in high-temperature environments, preventing premature failure. Constructed from high-grade bearing steel, it delivers the durability needed to withstand continuous operation under heavy loads.
Why Genuine Bearings Reduce Total Cost of Ownership
Choosing authentic high capacity bearings over low-quality alternatives directly impacts your bottom line. Counterfeit bearings often fail prematurely due to substandard materials and poor manufacturing, leading to unplanned downtime, costly repairs, and potential damage to connected components. Our 21308 CC CA W33 bearings, backed by ISO14001 environmental certification, undergo rigorous testing to ensure load capacity and fatigue resistance. With a 12-month global warranty, we stand behind every product, reducing the risk of unexpected replacement costs and ensuring long-term reliability.
Your Reliable Bearing Partner Since 2005
Jinan Saifan Bearing has served global buyers across Europe, America, and Southeast Asia since 2005, building a reputation for stable supply and competitive pricing. Our full R&D capabilities and OEM/ODM customization support mean we can tailor bearings to your specific application needs. We offer flexible orders with 1pc MOQ for standard items, 3–5 day sample lead times, and 5–15 day bulk delivery—perfect for both emergency repairs and planned maintenance. Our technical team provides free guidance to ensure proper选型 and installation, while defect replacement and refund policies ensure your satisfaction.
Packaging & Shipping
- Carton and pallet packaging for secure transport
- 3–5 day lead time for samples, 5–15 days for bulk orders
- Multiple shipping options: T/T, credit card, and Alibaba trade terms
- Free samples available (buyer covers freight)
- 1pc MOQ supported for urgent replacement needs
Get Your 21308 CC CA W33 Bearing Today
Don’t let bearing issues disrupt your operations. Whether you need a single replacement or bulk order, we can deliver the 21308 CC CA W33 Spherical Roller Bearing quickly. Send us your requirements, and our team will provide a quote within 24 hours—keeping your machinery running and your production on track.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, we supply authentic bearings with full traceability. Our ISO9001 certification ensures strict quality control throughout production.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model or technical specifications, and our engineering team will verify compatibility at no cost.
Q: What is your warranty policy?
A: We offer a 12-month global warranty. Defective products are replaced or refunded with no additional cost.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting emergency repair needs.
Q: How long does shipping take?
A: Samples ship in 3–5 days, bulk orders in 5–15 days. We use reliable logistics partners for global delivery.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
