Product Specifications
| Parameter |
Details |
| Model NO. |
21310CCK |
| 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 |
| Transport Package |
Carton Pallet |
| Specification |
50*110*27 mm |
| Trademark |
SKF/NTN/NSK/NMB/Koyo/NACHI/Timken |
| Origin |
China |
| HS Code |
8482300000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Wheel Hubs, Transmission Systems |
| Agriculture |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Construction |
Excavators, Heavy-Duty Machinery |
Reduce Downtime with Reliable Self-Aligning Roller Bearings 21310-21314CCK W33
Industrial machinery operators often face unexpected production halts due to bearing failures, especially when dealing with misalignment or heavy radial loads. Sourcing precision bearings with short lead times and flexible order quantities can be challenging, leading to extended equipment downtime and increased maintenance costs. Many struggle to find suppliers that balance quality, customization options, and responsive service for critical components like self-aligning roller bearings.
Precision Self-Aligning Roller Bearings for Demanding Industrial Applications
Our Self-Aligning Roller Bearing 21310-21314CCK W33 addresses these challenges with P0-P4 precision ratings and reliable performance in industrial machinery. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure consistent quality through rigorous R&D and QC processes. Whether for machine tools, reducers, or printing equipment, this double row radial bearing handles misalignment and heavy loads, supported by our OEM/ODM capabilities to meet specific application requirements.
Optimal Performance in Varied Industrial Conditions
Designed as a double row radial bearing with a 50x110x27mm specification, the 21310CCK Bearing excels in applications requiring high radial load capacity and self-aligning properties. Its spherical aligning design compensates for shaft misalignment, reducing stress on machinery components and extending service life. Suitable for operating conditions with moderate speeds and heavy loads, this bearing is ideal for industrial machinery where reliability and durability are critical.
Key Technical Features for Enhanced Machinery Performance
The precision rating (P0-P4) of this Self-Aligning Roller Bearing ensures tight tolerances, minimizing vibration and noise in high-precision equipment. Clearance options (C0, C3, C4) allow customization based on thermal expansion and load requirements, optimizing performance in different operating environments. Constructed from high-quality bearing steel, it offers excellent wear resistance and durability, while the unseparated design simplifies installation and maintenance. These technical details collectively contribute to stable operation and reduced maintenance intervals in industrial settings.
Long-Term Value of Genuine Precision Bearings
Choosing genuine CCK Roller Bearings for Industrial Use avoids the hidden costs of counterfeit products, which often fail prematurely and cause secondary damage to machinery. Our bearings meet international standards, ensuring compatibility and reliability in critical applications. With a 12-month global warranty, we stand behind product quality, offering defect replacement or refund to minimize operational risks. Investing in authentic bearings reduces total cost of ownership by lowering downtime, repair expenses, and the need for frequent replacements.
Why Global Buyers Choose Our Bearings
With over 18 years of experience, Jinan Saifan Bearing serves global buyers across Europe, America, Southeast Asia, and the Middle East. Our full R&D and QC lab ensure each bearing meets strict quality standards, while flexible order terms—including 1pc MOQ for standard items and 3–5 days sample lead time—cater to both small-scale repairs and large production runs. We provide free technical guidance and efficient after-sales service, supported by multiple payment options (T/T, credit card, Alibaba trade) for secure transactions. Our commitment to stable supply and competitive pricing has established us as a reliable long-term partner for industrial bearing needs.
Packaging & Shipping
- Carton pallet packaging ensures secure transport and protection during handling
- Sample lead time of 3–5 days for quick evaluation and testing
- Bulk delivery within 5–15 days to meet production schedules
- Global shipping options including express, air, and sea freight
- Free samples available, with buyer covering freight costs
Secure Your Bearing Supply Today
Don’t let equipment downtime affect your productivity. Whether you need a single 21310CCK Bearing for emergency repair or bulk orders for production, our flexible MOQ and fast lead times ensure you get the bearings you need when you need them. Contact us with your specifications, and our technical team will help confirm the right bearing for your application.
Frequently Asked Questions
Q: Are these self-aligning roller bearings genuine?
A: Yes, we supply authentic bearings and are an integrated manufacturer with ISO certifications. Each product can be traced through our quality control processes.
Q: How do I confirm if the 21310CCK Bearing fits my machinery?
A: Provide your equipment model or specific dimensions (bore, outer diameter, width), and our technical team will verify compatibility based on your application requirements.
Q: What is the warranty policy for these bearings?
A: We offer a 12-month global warranty. Manufacturing defects are covered by free replacement or refund, ensuring peace of mind for your operations.
Q: What is the minimum order quantity for standard bearings?
A: We accept 1pc MOQ for standard items, supporting both emergency repairs and small-scale purchases.
Q: How long does it take to ship after ordering?
A: Samples are delivered within 3–5 days, and bulk orders take 5–15 days. We offer multiple shipping methods to meet your timeline needs.
Q: How can I ensure the bearings I receive are not counterfeit?
A: Our products come with proper packaging and quality documentation. We can provide ISO certification and test reports upon request to verify authenticity.
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Quality Assurance
100% Inspection
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Delivery
3-15 Days
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
Customization
Full OEM/ODM
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
After-Sales
12-Month Warranty
Professional technical guidance and failure solutions from our R&D team.
