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Ensure smooth, reliable rotation in your machinery with the precision-engineered NTN 6203 Bearing, designed to minimize downtime and extend equipment lifespan. Crafted from high-grade Bearing Steel, this deep groove ball bearing delivers consistent performance under radial loads, making it ideal for applications where stability and durability are non-negotiable.
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| Parameter | Details |
|---|---|
| Model Number | Nu428 |
| Bearing Type | Cylindrical Roller Bearing |
| Outer Dimension | Large (200-430mm) |
| Specification | 140*360*82 mm |
| 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 |
| Service | OEM ODM |
| Trademark | BDL |
| Origin | China |
| HS Code | 8482500090 |
| Industry | Typical Applications |
|---|---|
| 工程机械 | Heavy-duty gearboxes, hydraulic pump systems |
| 钢铁冶金 | Rolling mill equipment, conveyor drives |
| 矿山机械 | Crusher shafts, mining conveyor systems |
| 自动化设备 | High-precision rotary tables, industrial robots |
Procuring industrial bearings often means navigating mismatched dimensions, questionable material quality, and limited brand options. Many buyers face costly delays when standard bearings fail under heavy radial loads, or struggle to source specific models like the Nu428 from a single supplier. These challenges aren’t just frustrating—they directly impact your equipment uptime and maintenance budgets.
The Nu428 cylindrical roller bearing addresses these pain points with its robust design and versatile specifications. As a professional supplier with ISO 9001 certified processes, we ensure this bearing meets strict quality standards, from raw material inspection to final dimensional testing. Its separated structure allows for easy mounting and dismounting, making it ideal for applications in工程机械 and steel冶金 where quick maintenance is critical. With our extensive inventory and full brand coverage, you won’t waste time coordinating between multiple suppliers for this essential component.
Designed for large outer dimensions (200-430mm), this single-row cylindrical roller bearing excels in heavy machinery operating under high radial loads. Its 140mm bore diameter and 360mm outer diameter make it suitable for use in mining equipment crushers, rolling mill drives, and industrial gearboxes where reliable load distribution is non-negotiable. The open seal design allows for flexible lubrication options—oil, grease, or dry running—adapting to diverse operating conditions without compromising performance.
The Nu428’s performance stems from critical design elements that matter in real-world applications. Crafted from high-grade bearing steel, it delivers superior hardness and wear resistance, directly reducing the risk of premature failure compared to lower-quality alternatives. The precision rating options (P0 to P2) allow customization based on application needs—from general industrial use (P0) to high-precision automated systems (P2). Its radial load orientation and non-aligning structure make it particularly effective in machinery where shaft alignment is maintained, ensuring consistent performance under continuous operation. The separated inner and outer rings simplify installation, a crucial advantage during equipment maintenance or replacement.
Selecting a properly specified bearing like the Nu428 directly impacts your total cost of ownership. Inferior bearings with substandard material hardness or imprecise dimensions often lead to early wear, causing equipment downtime, increased maintenance, and potential damage to adjacent components. In contrast, this cylindrical roller bearing’s robust construction and adherence to precision standards minimize these risks. By reducing replacement frequency and unplanned downtime, it delivers long-term value that outweighs initial cost considerations. Following ISO 281 principles for bearing life calculation, the Nu428 is engineered to perform reliably under rated loads, ensuring predictable service intervals and operational efficiency.
Our commitment to quality is built on verifiable processes and standards. Every Nu428 bearing undergoes thorough inspection, including dimensional accuracy checks, hardness testing, and surface treatment evaluation, all part of our ISO 9001 certified production流程. We stand behind our products with a warranty covering manufacturing defects, providing clear recourse in the unlikely event of issues. As a supplier with access to both our own BDL brand and major international brands, we can fulfill orders for specific brand requirements or alternative equivalents. Our substantial inventory ensures quick availability, so you can minimize lead times and keep your operations running smoothly.
Whether you need the Nu428 specifically or require assistance identifying equivalent models from other brands, we’re here to help. Provide your required quantity, application details, and any brand preferences, and our technical team will confirm availability and deliver a competitive quote. The sooner you confirm your order, the sooner we can arrange shipment—keeping your project on schedule.
Q: Can you supply bearings from other brands besides BDL?
A: Yes, we support inquiries for all major international and domestic brands. We can source bearings according to your specified brand or model requirements.
Q: How do I confirm if the Nu428 is compatible with my equipment?
A: Provide your equipment’s required bearing dimensions (d x D x B) or existing model number, and our technical team will verify compatibility with the Nu428 specifications.
Q: What is your warranty policy for this bearing?
A: We provide a warranty covering manufacturing defects. Specific terms and duration are detailed in our sales contract, ensuring clear protection for your purchase.
Q: What is the minimum order quantity for the Nu428?
A: We offer low minimum order quantities, supporting both small-scale trials and large-volume purchases to meet your operational needs.
Q: How quickly can you ship the Nu428 bearing?
A: The Nu428 is available from stock, enabling immediate shipment. We offer multiple logistics options including express, air, and sea freight to match your delivery timeline.
Q: Do you offer OEM or ODM customization for cylindrical roller bearings?
A: Yes, we support OEM and ODM services, including custom dimensions, materials, and specifications based on your technical drawings or requirements.
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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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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.
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