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Ensure smooth, reliable performance in your machinery with the precision-engineered NSK N306 Bearing, a cylindrical roller bearing designed to handle radial loads with minimal friction. Its separated inner and outer rings allow for easy installation and maintenance, saving you valuable time during setup or repairs. Crafted from high-quality bearing steel and available in precision ratings from P0 to P2, this single-row open bearing delivers consistent performance even under demanding conditions, whether lubricated with oil, grease, or in dry environments. Perfect for applications requiring a balance of durability and cost-effectiveness, it’s the smart choice for keeping your equipment running efficiently.
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| Parameter | Details |
|---|---|
| Model Number | Nj424 |
| Bearing Type | Cylindrical Roller Bearing |
| Outer Dimension | 35mm-400mm |
| Specification | 120*310*72mm |
| Material | Bearing Steel |
| Spherical | Non-Aligning Bearings |
| Load Direction | Radial Bearing |
| Separated | Separated |
| Structure | Cylindrical |
| Seals Type | Open |
| Lubricate | Oil Grease Dry |
| Precision Rating | P0 P6 P5 P4 P2 |
| Number of Row | Single Row |
| Trademark | NSK |
| Origin | Japan |
| HS Code | 8482500090 |
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Rotary shafts, gearboxes, conveyor systems |
| Steel Metallurgy | Rolling mill equipment, continuous casting machines |
| Automation | Precision linear motion systems, robotic arms |
| Heavy Equipment | Hydraulic pumps, industrial compressors |
Finding the right cylindrical roller bearing can be a hassle—whether you’re dealing with mismatched dimensions, unclear specifications, or limited brand options. Many buyers waste time chasing multiple suppliers only to discover compatibility issues during installation. We understand the frustration of needing a specific model like the NSK N306 NJ306E/C3 but struggling to verify quality or availability.
This cylindrical roller bearing is designed to handle radial loads efficiently, making it suitable for high-speed industrial applications. With separated inner and outer rings, it allows for easy mounting and dismounting, reducing maintenance time. Our supply chain includes both established brands like NSK and a range of alternatives, ensuring you get the right bearing for your equipment without compromising on quality. Whether for steel mills, automation lines, or heavy machinery, we maintain stock to meet urgent requirements.
Cylindrical roller bearings excel in scenarios with heavy radial loads and moderate speeds. The single-row design with open seals (no contact seals) makes this model ideal for applications where lubrication access is frequent, such as gearboxes or conveyor rollers. Its non-aligning nature requires precise shaft alignment, but the robust bearing steel construction ensures durability even under variable load conditions common in industrial settings.
The bearing’s material—high-grade bearing steel—provides the hardness (typically HRC 58-62) needed to resist wear and fatigue, extending service life in continuous operation. Precision ratings from P0 (standard) to P2 (high precision) allow customization based on application needs: P5 or P4 grades suit machinery requiring minimal vibration, while P0 works for general industrial use. The separated design not only simplifies installation but also allows for easier inspection and re-lubrication, critical for maintaining performance in dusty or high-temperature environments. With outer dimensions ranging from 35mm to 400mm, this bearing aligns with international size standards for broad interchangeability.
Selecting a quality cylindrical roller bearing directly impacts your equipment’s uptime and maintenance expenses. Inferior bearings with substandard material or imprecise dimensions often fail prematurely, leading to unplanned downtime, replacement costs, and potential damage to adjacent components. This model, manufactured to ISO 9001 standards, undergoes rigorous testing for dimensional accuracy and surface finish, reducing the risk of early failure. While initial cost is a consideration, the long-term savings from reduced maintenance and extended service intervals make it a cost-effective choice for critical applications.
We source cylindrical roller bearings through ISO 9001 certified suppliers, ensuring consistent production quality. Each bearing undergoes incoming inspection for material composition, hardness, and dimensional accuracy before entering our inventory. We provide a warranty period covering manufacturing defects, with clear terms for returns or replacements. Our ability to supply both branded and alternative models means you can specify the exact standard—whether NSK, SKF, or another trusted brand—without switching suppliers. With stock available for common models, we can fulfill orders quickly to keep your operations running smoothly.
Whether you need the NSK N306 NJ306E/C3 or another cylindrical roller bearing model, share your specifications—including dimensions (d x D x B), quantity, and any brand preferences. Our team will confirm availability and provide competitive pricing. The sooner you reach out, the faster we can arrange delivery to keep your equipment operational.
Q: Do you supply bearings from other brands besides NSK?
A: Yes, we offer a wide range of international brands including SKF, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese brands, as well as our own private label options.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or the bearing’s dimensions (bore diameter, outer diameter, width), and our technical team will cross-reference with manufacturers’ specifications to verify compatibility.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. The warranty period and terms are specified in each order, with options for returns or replacements if issues arise due to production faults.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, starting from single units for emergency replacements, up to bulk orders for production lines.
Q: How long does shipping take to my location?
A: Shipping time depends on the method: express courier (3-5 days), air freight (5-7 days), or sea freight (20-40 days). Stock items ship within 1-3 business days once payment is confirmed.
Q: Can you provide custom (OEM/ODM) bearings?
A: Yes, we support OEM and ODM services for non-standard bearings. Provide your drawings or specifications, and we can produce bearings tailored to your 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.
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Free Sample Program
Orders over $50K qualify for free product samples
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