Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 22344, 22348, 22352, 22356 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Rolling Body | Roller Bearings |
| The Number of Rows | Double |
| Material | Bearing Steel |
| Spherical | Aligning Bearings |
| Load Direction | Radial Bearing |
| Separated | Unseparated |
| Outer Dimension | 500 mm |
| Specification | 100×180×46 mm |
| HS Code | 8482300000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Mining & Construction | Excavators, Crushers, Conveyors |
| Heavy Machinery | Presses, Injection Molding Machines |
| Power Generation | Generators, Wind Turbines |
| Steel & Metallurgy | Rolling Mills, Continuous Casters |
Stop Production Losses: Reliable Self-Aligning Roller Bearings for Heavy Impact Loads
Equipment downtime from bearing failure costs manufacturers thousands daily. Many face counterfeit risks through gray-market channels, leading to premature failures under heavy loads. Multi-layer distribution delays deliveries by 30–50%, disrupting production schedules. When bearings fail in impact-heavy applications like crushers or excavators, the losses multiply with repair costs and missed deadlines.
Self-Aligning Roller Bearings Built for Heavy & Impact Load Applications
Our Self-Aligning Roller Bearings 22344, 22348, 22352, and 22356 are engineered to handle the toughest industrial conditions. As an official NTN distributor, we ensure 100% genuine products with full traceability, eliminating counterfeit risks. With rich stocks and WMS real-time inventory, we deliver within 3–7 business days, keeping your production lines running. These double-row radial bearings excel in applications with misalignment, heavy radial loads, and moderate axial loads—ideal for mining equipment, heavy machinery, and power generation systems.
Engineered for Heavy Loads and Impact Resistance
Designed with a spherical outer ring and double rows of rollers, these self-aligning roller bearings accommodate shaft misalignment up to 2–3 degrees, reducing stress on equipment. The 500mm outer dimension and bearing steel construction provide exceptional durability under heavy loads and impact conditions. Whether in continuous operation or variable load environments, their robust design maintains performance integrity, making them critical for maintaining uptime in high-stakes industrial settings.
Technical Specifications That Ensure Performance
Precision ratings from P0 to P2 allow customization for specific application requirements—P5 and P4 ratings suit high-speed machinery where reduced vibration is critical, while P0 offers cost-effective reliability for general use. Clearance options (C0, C3, C4) address thermal expansion needs: C3 and C4 clearances prevent overheating in high-temperature environments like steel mills, while C0 suits standard operating conditions. The unseparated design simplifies installation and maintenance, reducing downtime during replacements. With a focus on long life and low noise, these bearings minimize maintenance intervals and operational disruptions.
The Hidden Costs of Substandard Bearings in Heavy Load Applications
Counterfeit bearings often fail prematurely under heavy loads, leading to catastrophic equipment damage. A single bearing failure in a crusher can halt production for days, resulting in losses that far exceed the cost of genuine parts. In contrast, our traceable NTN bearings meet ISO 9001 standards, ensuring batch consistency and predictable performance. By investing in genuine self-aligning roller bearings, you avoid hidden costs like emergency repairs, production delays, and safety risks—ultimately lowering your total cost of ownership.
Why Global Manufacturers Trust Our Bearing Solutions
With over 10 years of technical expertise and service across 50+ countries, we deliver more than products—we provide reliability. Our three-level quality inspection system ensures every bearing meets NTN’s strict standards before shipment. As an authorized distributor, we offer complete export documentation, simplifying customs clearance. Our dedicated technical team provides application-specific support, from model selection to failure analysis, helping you optimize bearing performance. With global door-to-door logistics and flexible OEM customization, we adapt to your supply chain needs, whether for bulk orders or emergency replacements.
Packaging & Shipping
- Carton pallet packaging with protective measures to prevent damage during transit
- Stock availability ensures dispatch within 3–7 business days for urgent requirements
- Global shipping options including sea, air, and express delivery (DHL, FedEx, UPS)
- Real-time tracking provided for all shipments, with full visibility of delivery status
- Minimum order quantity of 1 piece, supporting both maintenance and production needs
Secure Your Bearing Supply Today
Don’t let bearing issues disrupt your operations. Send us your required model (22344, 22348, 22352, or 22356), application details, and quantity, and we’ll provide a formal quotation within 24 hours. With our ready stock and technical support, you can minimize downtime and keep your heavy machinery running at peak efficiency.
Frequently Asked Questions
Q: Are these bearings genuine NTN products?
A: Yes, we are an official NTN distributor, and every bearing comes with full traceability documentation to confirm authenticity.
Q: How do I confirm the correct bearing model for my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our technical team will verify the optimal bearing selection.
Q: What is your warranty policy?
A: All bearings come with NTN’s manufacturer warranty, covering defects in materials and workmanship. We offer free replacements for verified manufacturing issues.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting both emergency repairs and small-batch requirements.
Q: How long does shipping take to [country]?
A: For in-stock items, express delivery takes 3–5 days, air freight 7–10 days, and sea freight 30–40 days depending on the destination.
Q: How can I verify the authenticity of the bearings upon receipt?
A: Each bearing includes NTN’s original packaging with security features. We also provide traceability certificates and brand authorization documents for verification.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
