Product Specifications
| Parameter |
Details |
| Model NO. |
21320CC |
| 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 |
| Outer Dimension |
50-2500 |
| Specification |
100*215*47 mm |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Auto Parts Manufacturing |
Hub Assemblies |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction Machinery |
Excavators, Heavy Load Equipment |
| New Energy |
Wind Turbines, Photovoltaic Systems |
Minimize Downtime with Reliable Self-Aligning Roller Bearings 21320CC-21324CC W33
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failure. When precision alignment is critical and heavy radial loads are constant, choosing the wrong bearing can lead to repeated replacements and production losses. Sourcing authentic, high-quality bearings with flexible order options often feels like a challenge in today’s market.
Self-Aligning Roller Bearings Engineered for Industrial Machinery Performance
Our Self-Aligning Roller Bearings, including models 21320CC, 21321CC W33, 21322CC, and 21324CC W33, are designed to solve these pain points. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets P0-P4 precision standards and Z2-Z4 noise grades, critical for smooth operation in industrial machinery. Whether for machine tools, reducers, or printing equipment, these bearings deliver the durability and alignment capability your equipment demands.
Optimal Performance in Demanding Industrial Environments
Self-Aligning Roller Bearings excel in applications where shaft misalignment is common, such as heavy-duty conveyors or agricultural machinery. The double-row roller design and spherical outer ring allow for angular misalignment up to 2-3 degrees, reducing stress on shafts and extending equipment life. With a radial load capacity suited for high-torque machinery, these bearings maintain performance even under fluctuating loads, making them ideal for excavators and industrial gearboxes.
Key Technical Features That Matter
Precision rating directly impacts operational stability—our P0-P4 options ensure minimal vibration in high-speed machinery, while P5-P4 grades meet the tight tolerances required for CNC spindles. Clearance options (C0, C3, C4) allow customization for thermal expansion: C3 and C4 clearances are recommended for applications with temperature variations, preventing seizure during operation. The use of high-grade bearing steel enhances wear resistance, critical for agricultural and construction equipment exposed to dust and debris. Unseparated design simplifies installation, reducing maintenance time and errors.
Why Authentic Bearings Reduce Total Cost of Ownership
Choosing genuine Self-Aligning Roller Bearings over low-quality alternatives avoids hidden costs. Counterfeit bearings often fail prematurely, leading to unplanned downtime, repair labor, and potential damage to adjacent components. Our bearings, backed by a 12-month global warranty, ensure consistent performance and defect replacement, lowering long-term operational expenses. For industrial machinery makers, the reliability of authentic bearings translates to fewer production interruptions and higher customer satisfaction.
Our Commitment to Your Operations
With over 18 years of experience serving global buyers, we prioritize stability and quality. Our full R&D and QC lab conduct rigorous testing on every batch, ensuring compliance with international standards. We offer flexible orders—1pc MOQ for standard items—supporting both emergency repairs and bulk production needs. Sample lead times of 3–5 days and bulk delivery within 5–15 days mean you get the bearings you need when you need them. Free technical guidance helps optimize bearing selection, while our defect replacement policy ensures peace of mind.
Packaging & Shipping
- Carton and pallet packaging for secure transport
- 3–5 days sample lead time, 5–15 days bulk delivery
- Multiple shipping options including T/T, credit card, and Alibaba trade terms
- Real-time order tracking available upon shipment
- 1pc MOQ for standard items, ideal for urgent maintenance
Get Your Self-Aligning Roller Bearings Today
Don’t let bearing issues disrupt your production schedule. Whether you need a single 21320CC bearing for emergency repair or bulk 21324CC W33 units for new equipment, we’re ready to fulfill your order. Send your requirements, and our team will provide a tailored quote within 24 hours—keeping your machinery running with confidence.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, we supply authentic bearings with full traceability, supported by our ISO certifications and quality control processes.
Q: How do I确认 if the 21320CC bearing fits my machine?
A: Provide your equipment model or technical specifications, and our engineering team will verify compatibility at no cost.
Q: What is the warranty period for these bearings?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, allowing for small-scale purchases or emergency repairs.
Q: How quickly can I receive my order?
A: Samples ship in 3–5 days, and bulk orders are delivered within 5–15 days, depending on quantity.
Q: How can I verify the authenticity of the bearings?
A: Our bearings include product documentation and traceability records; contact us for specific verification steps.
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