-- SKF Authorized Engineering Partner
Minimize downtime and maximize equipment reliability with our premium NSK Self-Aligning Roller Bearing, designed to deliver consistent performance even in high-load industrial applications. Ideal for machinery operating under variable alignment conditions, this bearing self-adjusts to misalignment, reducing stress on shafts and extending service life—so you can focus on productivity, not maintenance.
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| Parameter | Details |
|---|---|
| Model NO. | 6208 Z/Zz/Rz/RS/Znr/N/Ma/ |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
| Stock | Rich Stocks |
| Transport | by Sea or by Air |
| Service | OEM ODM |
| Separated | Unseparated |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Trademark | SKF/NTN/NSK/KOYO/NACHI/TIMKEN |
| Origin | China |
| HS Code | 8482102000 |
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Conveyor systems, gearboxes, rotating shafts |
| Industrial Machinery | Pumps, compressors, electric motors |
| Automotive | Wheel hubs, transmission components |
Many procurement teams struggle with finding the right bearing models across different brands, especially when dealing with mixed metric and imperial specifications. Installing a bearing with incorrect precision or vibration ratings often leads to premature equipment failure, costing time and money in replacements and downtime. Sourcing from multiple suppliers for different brands only complicates the process further.
Our NSK 22244, 22248, 22256, and 22260 self-aligning spherical roller bearings address these challenges with ISO 9001-certified manufacturing processes and rich stock availability. Designed for radial load applications, these bearings offer long life and low noise operation—critical for industrial machinery like conveyor systems and gearboxes. With multiple precision ratings (P0 to P2) and vibration classes (Z1V1 to Z3V3), we can match the exact requirements of your equipment.
Self-aligning spherical roller bearings excel in applications with moderate misalignment, such as steel rolling mills or mining equipment where shaft deflection is common. The unseparated design ensures easy installation, while the bearing steel construction provides durability under high-speed rotation. These characteristics make them ideal for heavy-duty machinery that requires reliable performance with minimal maintenance.
Precision rating directly impacts rotational accuracy—P5 grade bearings, for example, reduce vibration in high-speed applications like electric motors compared to standard P0 grades. Vibration classes Z2V2 and Z3V3 are critical for noise-sensitive environments such as food processing plants, where excessive sound can disrupt operations. The radial load capacity ensures these bearings handle the stress of continuous operation in conveyor systems, while the long-life feature minimizes replacement frequency in hard-to-reach installations like wind turbine gearboxes.
Choosing the right self-aligning spherical roller bearing reduces hidden costs associated with downtime and premature failure. A bearing with inadequate precision may cause shaft wear, leading to costly repairs of adjacent components. Conversely, selecting a higher vibration class than necessary increases upfront expense without added benefit. By matching the bearing’s specifications to your application—such as P6 precision for industrial gearboxes—you optimize performance while controlling total ownership cost.
Our bearings undergo strict raw material inspection and finished product testing, including dimensional accuracy and surface hardness checks, ensuring compliance with international standards. We offer a warranty against manufacturing defects, with clear terms outlined in each sales contract. As a supplier covering both international brands (NSK, SKF, NTN) and domestic options, we provide flexibility to source exactly what your project requires. With rich stock on hand, we can fulfill orders quickly, minimizing lead times for critical replacements.
Whether you need the 22244, 22248, 22256, 22260 models or other self-aligning spherical roller bearings, provide your required specifications, quantity, and destination. Our team will respond promptly with pricing and availability, ensuring you get the right bearings when you need them.
Q: Do you supply bearings from other brands besides NSK?
A: Yes, we provide bearings from various international brands including SKF, NTN, KOYO, NACHI, and TIMKEN, as well as domestic manufacturers, based on your specific requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Share your equipment model or the required dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the bearing specifications.
Q: What warranty do you offer on these bearings?
A: We provide a warranty against manufacturing defects. The specific duration and terms are detailed in the sales contract, ensuring coverage for material and workmanship issues.
Q: What is the minimum order quantity for these bearings?
A: We support low minimum order quantities, allowing small-batch purchases for testing or maintenance needs, as well as large-volume orders for production.
Q: How long does shipping take, and what methods are available?
A: In-stock bearings ship immediately. Shipping time depends on the method: air transport takes 3-7 days, while sea freight varies by destination, typically 2-6 weeks.
Q: Can you provide custom (OEM/ODM) bearings?
A: Yes, we offer OEM and ODM services, manufacturing bearings according to your provided drawings, specifications, or branding requirements.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
-- Get In Touch
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
Regarding: NSK 22244 22248 22256 22260 Self-Aligning Spherical Roller Bearing
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SKF Authorized Engineering Partner
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