Product Specifications
| Parameter |
Details |
| Model NO. |
Nu428 |
| Product Name |
Cylindrical Roller Bearing |
| Structure |
Cylindrical |
| Outer Dimension |
Large (200-430mm) |
| Specification |
140*360*82 mm |
| Material |
Bearing Steel |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Load Direction |
Radial Bearing |
| Spherical |
Non-Aligning Bearings |
| Separated |
Separated |
| Number of Row |
Single Row |
| Seals Type |
Open |
| Lubricate |
Oil Grease Dry |
| Service |
OEM ODM |
| Origin |
China |
| HS Code |
8482500090 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Presses, Reducers |
| Auto Parts Manufacturing |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction |
Excavators, Heavy-Duty Equipment |
| New Energy |
Wind Turbines, Solar Equipment |
Reduce Downtime with High Precision Nu428 Cylindrical Roller Bearings for Industrial Machinery
Industrial machinery operators know the cost of unexpected downtime—hours of halted production, missed deadlines, and costly repairs. When bearings fail prematurely due to poor precision or material quality, the impact ripples through entire operations. Sourcing reliable bearings with flexible MOQs and fast delivery often feels like navigating a maze of suppliers with inconsistent standards.
Nu Series Cylindrical Roller Bearings: Engineered for Reliable Industrial Performance
Our High Precision Cylindrical Roller Bearings, including models Nu428, Nu1030, and Nu230, address these challenges directly. With precision ratings from P0 to P4, these bearings deliver consistent performance in industrial machinery where radial load capacity and durability are critical. Backed by our ISO9001-certified production facility and 18 years of manufacturing experience, we ensure each bearing meets strict quality standards—from raw material selection to final inspection.
Optimal Performance in Heavy-Duty Industrial Applications
Designed as separated, single-row radial bearings, the Nu series excels in high-load environments typical of machine tools, reducers, and construction equipment. The open seal design allows for versatile lubrication options (oil, grease, or dry operation), adapting to varying operating conditions. With an outer dimension range of 200-430mm, these large-size bearings provide the stability needed for heavy machinery rotating components, ensuring minimal vibration and extended service life.
Precision Ratings That Drive Machinery Efficiency
The precision rating of a cylindrical roller bearing directly impacts machinery performance. Our P0-P4 grade bearings offer tailored solutions: P0 for general industrial use balances cost and reliability, while P4 precision minimizes runout and noise—essential for high-speed machine tool spindles. The separated inner and outer rings simplify installation and maintenance, reducing downtime during replacements. Crafted from high-grade bearing steel, these bearings withstand continuous radial loads, making them ideal for applications requiring consistent torque transmission.
Why Settle for Less? The Value of Quality Bearings
Choosing low-quality bearings may seem cost-effective initially, but the hidden costs add up. Premature failures cause unplanned shutdowns, often requiring replacement of damaged surrounding components. Our Cylindrical Roller Bearings for Industrial Machinery reduce total cost of ownership through longer service intervals and consistent performance. Each bearing undergoes rigorous testing in our in-house QC lab, ensuring compliance with international standards—because reliable rotation shouldn’t be a compromise.
Your Trusted Partner for Industrial Bearings
Since 2005, Jinan Saifan Bearing has supplied global buyers with precision bearings backed by full R&D capabilities and ISO14001 environmental certification. We offer 12-month global warranty, free technical guidance, and defect replacement—because your machinery’s performance depends on reliable components. With 1pc MOQ for standard items, 3-5 day sample lead time, and bulk delivery in 5-15 days, we meet both emergency repairs and scheduled production needs. Our customer base spans Europe, America, Southeast Asia, and the Middle East—proof of our commitment to stable supply and competitive pricing.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-5 days sample lead time for testing and validation
- 5-15 days bulk delivery to meet production schedules
- Flexible logistics options including air and sea freight
- 1pc MOQ available for emergency replacement needs
Get Your Nu Series Cylindrical Roller Bearings Today
Don’t let bearing issues disrupt your operations. Whether you need Nu428, Nu1030, or Nu230 bearings, our team is ready to provide a tailored quote based on your specifications. Send us your bearing model, application details, and quantity—we’ll ensure you get the right bearings, when you need them.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, our bearings are manufactured in our ISO9001-certified facility and come with full traceability documentation. For NSK/INA bearings, we provide authentic products through authorized channels.
Q: How can I confirm the Nu428 bearing fits my machinery?
A: Provide your equipment model or technical specifications (load, speed, operating conditions), and our engineering team will verify compatibility and recommend the appropriate precision grade.
Q: What is your warranty policy for these bearings?
A: We offer a 12-month global warranty covering manufacturing defects. If issues arise, we provide free replacement or refund per our warranty terms.
Q: What is the minimum order quantity for Nu series bearings?
A: Standard items have a 1pc MOQ, supporting both emergency repairs and small-batch purchases. Custom OEM/ODM orders may have different requirements based on specifications.
Q: How long does it take to receive an order?
A: Samples ship in 3-5 days, and bulk orders deliver in 5-15 days. We work with major logistics providers to ensure timely delivery to your location.
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