Product Specifications
| Parameter |
Details |
| Model NO. |
22311CCK |
| 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 |
55*120*43 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 |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
Minimize Downtime with Reliable 22311CCK Self-Aligning Roller Bearings for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Misalignment issues or substandard components often lead to premature wear, forcing production halts and costly repairs. Sourcing precision bearings that meet exact specifications while offering flexible order quantities can be a challenge, especially when balancing quality with delivery speed.
Precision-Engineered Self-Aligning Roller Bearings for Critical Applications
Our 22311CCK self-aligning roller bearings address these pain points with P0-P4 precision ratings and C0-C4 clearance options, ensuring optimal performance in industrial machinery. As an integrated manufacturer with full R&D capabilities and ISO9001 certification, we deliver consistent quality for machine tools, reducers, and printing equipment. With 1pc MOQ for standard items and 3-5 day sample lead times, we support both small-batch repairs and large-scale production needs.
Optimal Performance in Demanding Industrial Environments
Self-aligning roller bearings excel in applications where shaft misalignment is common, such as conveyor systems and heavy-duty gearboxes. The double-row design handles radial loads efficiently while accommodating angular misalignment up to 2-3 degrees, reducing stress on connected components. Made from high-grade bearing steel, these bearings maintain structural integrity under continuous operation, making them suitable for agricultural machinery like tractors and industrial equipment requiring reliable rotation.
Technical Features That Ensure Long Service Life
The precision rating directly impacts operational stability—P4 class bearings minimize runout for high-speed machinery, while P0 offers cost-effective reliability for general applications. Clearance options (C0-C4) allow customization based on operating temperature and load conditions; C3 clearance is ideal for applications with thermal expansion, preventing premature failure. The unseparated design simplifies installation and maintenance, while the spherical aligning feature compensates for shaft deflection, extending bearing life in vibrating equipment.
Why Genuine Bearings Reduce Total Cost of Ownership
Choosing authentic self-aligning roller bearings avoids the hidden costs of counterfeit products. Inferior bearings often fail within months, leading to production downtime, replacement labor, and potential damage to expensive machinery. Our bearings, backed by a 12-month global warranty, meet international standards for material quality and dimensional accuracy. With free technical guidance and defect replacement, we help customers reduce long-term maintenance expenses and ensure consistent equipment performance.
Our Commitment to Reliable Supply and Service
With over 18 years of manufacturing experience, we serve customers across Europe, America, and Southeast Asia. Our QC lab conducts rigorous testing at every production stage, from raw material inspection to final product verification. We offer bulk delivery within 5-15 days and free samples (buyer covers freight) to validate performance before full-scale orders. Supported by flexible payment options including T/T and Alibaba Trade Assurance, we prioritize transparency and customer confidence in every transaction.
Packaging & Shipping
- Protective carton packaging with pallet reinforcement for bulk orders
- Sample lead time: 3–5 days for standard specifications
- Bulk delivery: 5–15 days after payment confirmation
- Global shipping via DHL, FedEx, or sea freight based on order size
- 1pc minimum order quantity supported for emergency repairs
Get Your Industrial Machinery Bearings Today
Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement 22311CCK bearing or bulk quantities for your manufacturing line, we ensure fast delivery and reliable performance. Send your specifications now to receive a personalized quote and technical support tailored to your application.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, we manufacture our bearings in-house with full quality control and provide certificates of compliance. For NSK/INA bearings, we offer authentic products with verifiable supply chain documentation.
Q: How can I confirm the right bearing size for my equipment?
A: Provide your equipment model or existing bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility within 24 hours.
Q: What warranty coverage do you offer?
A: All bearings come with a 12-month global warranty covering manufacturing defects. We provide free replacement or refund for non-conforming products.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting emergency repair needs. Custom OEM/ODM orders may have different requirements based on specifications.
Q: How long does shipping take to Europe or America?
A: Samples ship via express (3–5 days), while bulk orders typically arrive in 7–15 days for air freight or 30–45 days for sea freight.
Q: Can you provide technical data sheets for these bearings?
A: Yes, we supply detailed technical specifications including load ratings, speed limits, and material composition upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
