Product Specifications
| Parameter |
Details |
| Model NO. |
22344MB |
| 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 |
220*460*145 mm |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Machinery, Reducers |
| Automotive |
Wheel Hubs, Transmission Systems |
| Agriculture |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Construction |
Excavators, Heavy Load Machinery |
Minimize Downtime with Reliable Self-Aligning Roller Bearings 22344MB-22356MB/W33
Equipment breakdowns due to bearing failure cost manufacturers thousands in lost production each year. Many face challenges with inconsistent quality from unknown suppliers, long lead times for custom orders, and difficulty finding bearings that meet both precision and durability requirements for heavy machinery.
Self-Aligning Roller Bearings Engineered for Industrial Machinery
Our Self-Aligning Roller Bearings, including models 22344MB, 22348MB, 22352MB, and 22356MB/W33, are designed to solve these pain points. With P0-P4 precision ratings and Z2-Z4 noise grades, these bearings deliver stable performance in industrial machinery applications. Backed by our full R&D capabilities and ISO9001 certification, we ensure each bearing meets strict quality standards. Whether you need standard sizes or custom specifications, our flexible production supports OEM/ODM requirements with 1pc MOQ for standard items and 3-5 days sample lead time.
Optimal Performance in Heavy-Duty Conditions
Self-Aligning Roller Bearings excel in applications with heavy radial loads and potential shaft misalignment, common in industrial machinery like reducers and printing equipment. The double-row roller design and spherical aligning outer ring allow for angular deviations up to 2-3 degrees, reducing stress on shafts and extending equipment life. Made from high-quality bearing steel, these bearings handle dynamic loads efficiently, making them ideal for continuous operation in manufacturing environments.
Key Technical Features That Matter
Precision rating directly impacts machinery accuracy—our P4 grade bearings ensure minimal runout, critical for high-speed machine tools. Clearance options (C0, C3, C4) allow customization for thermal expansion needs; C3 clearance is often specified for applications with temperature variations to prevent seizure. The unseparated design simplifies installation and maintenance, while the double-row configuration provides higher load capacity compared to single-row alternatives. These technical details translate to longer bearing life, reduced maintenance costs, and improved overall equipment reliability.
Why Quality Bearings Reduce Total Cost of Ownership
Choosing low-quality bearings may save upfront costs but leads to frequent replacements, unplanned downtime, and potential damage to expensive machinery components. Our bearings undergo rigorous QC testing, including noise and vibration analysis, to ensure consistent performance. With a 12-month global warranty, we stand behind our products—offering defect replacement or refund if issues arise. This commitment to quality lowers long-term costs by minimizing production interruptions and extending maintenance intervals, making our bearings a cost-effective choice for industrial operations.
Your Trusted Bearing Partner Since 2005
Jinan Saifan Bearing combines 18 years of manufacturing experience with a global presence serving Europe, America, Southeast Asia, and the Middle East. Our ISO14001 certification reflects our dedication to sustainable production, while our in-house QC lab ensures every bearing meets precision standards. We offer free technical guidance to help you select the right bearing for your application, and our bulk delivery times of 5-15 days ensure you get the parts you need when you need them. With payment options including T/T, credit card, and Alibaba trade assurance, we prioritize secure and convenient transactions for our clients.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-5 days sample lead time for testing and verification
- 5-15 days bulk delivery for standard orders
- Multiple shipping options including air and sea freight
- 1pc MOQ for standard items, supporting small-batch and emergency needs
Request Your Quote Today
Don’t let bearing issues slow down your production. Send us your bearing model, required precision grade, and quantity, and our team will provide a competitive quote within 24 hours. With free samples available (buyer covers freight), you can test our bearings before committing to a bulk order. Ensure your machinery runs smoothly with reliable Self-Aligning Roller Bearings from a trusted manufacturer.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, we are an integrated manufacturer with ISO9001 certification. Each bearing is produced in our facility and comes with full traceability documentation.
Q: How do I confirm the right bearing model for my equipment?
A: Provide your equipment model, load requirements, and operating conditions. Our technical team offers free选型 support to ensure proper fit.
Q: What is your warranty policy?
A: We offer a 12-month global warranty. Manufacturing defects are covered by free replacement or refund.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, ideal for emergency repairs or small-scale projects.
Q: How long does shipping take?
A: Samples ship in 3-5 days, bulk orders in 5-15 days. We work with major carriers for reliable delivery.
Q: Can you provide custom bearings with specific dimensions?
A: Yes, we offer full OEM/ODM customization. Share your specs, and our R&D team will develop a solution.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
