Product Specifications
| Parameter |
Details |
| Model NO. |
NN3028K |
| Product Name |
Cylindrical Roller Bearing |
| Structure |
Cylindrical |
| Specification |
140*210*53 mm |
| Material |
Bearing Steel |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Load Direction |
Radial Bearing |
| Separated |
Separated |
| Spherical |
Non-Aligning Bearings |
| Seals Type |
Open |
| Lubricate |
Oil Grease Dry |
| Number of Row |
Single Row |
| Vibration |
V1V2V3V4 |
| Service |
OEM ODM |
| Origin |
China |
| HS Code |
8482500090 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Engineering Machinery |
Excavators, Heavy-Duty Equipment |
Reduce Downtime with High Precision NN3028K Cylindrical Roller Bearing for Industrial Machinery
Manufacturing plants lose thousands in production each time a machine tool spindle fails due to low-quality bearings. Many buyers struggle with long lead times for precision components or unpredictable quality from unknown suppliers. When your equipment relies on stable rotation, choosing the wrong bearing can mean frequent replacements and unplanned maintenance stops.
NN3028K Cylindrical Roller Bearing: Engineered for Reliable Industrial Performance
Our High Precision NN3028K Cylindrical Roller Bearing addresses these challenges with P4 precision rating and robust bearing steel construction. As an integrated manufacturer with ISO9001 certification, we ensure consistent quality across every unit. Whether for machine tool spindles or printing press reducers, this bearing delivers the stability needed for continuous industrial operation, supported by our 12-month global warranty.
Optimal Performance in Heavy-Duty Industrial Environments
Designed as a radial bearing with separated structure, the NN3028K excels in applications requiring high radial load capacity and precise alignment. Its open design allows for flexible lubrication options—oil, grease, or dry running—making it suitable for diverse industrial machinery. With vibration grades up to V4, it minimizes noise and resonance in high-speed operations, critical for maintaining product quality in precision manufacturing processes.
Key Technical Features That Maximize Machine Uptime
The NN3028K’s 140mm bore diameter, 210mm outer diameter, and 53mm width balance load capacity with compact installation. Its P4 precision rating ensures minimal runout, essential for maintaining tight tolerances in CNC machining. The single-row cylindrical structure allows for easy mounting and dismounting, reducing maintenance time. Constructed from high-grade bearing steel, it withstands the rigors of continuous operation, from automotive production lines to renewable energy equipment.
Why Authentic Precision Bearings Lower Total Operating Costs
Choosing uncertified bearings may seem cost-effective initially, but premature failures often lead to higher long-term expenses. Our P4 precision NN3028K Cylindrical Roller Bearing reduces replacement frequency by maintaining dimensional stability under heavy loads. Unlike generic alternatives, our bearings are manufactured in ISO14001-certified facilities, ensuring material traceability and consistent performance. The result is lower maintenance costs, fewer production interruptions, and extended equipment lifespan—directly impacting your bottom line.
Your Trusted Partner for Industrial Bearing Solutions
With 18 years of experience serving global buyers, Jinan Saifan Bearing combines manufacturing expertise with responsive service. Our in-house R&D and QC labs ensure each bearing meets stringent standards before shipment. We offer flexible ordering with 1pc MOQ for standard items, 3–5 day sample lead times, and 5–15 day bulk delivery. Backed by free technical guidance and defect replacement policies, we support your operations from选型 to after-sales, making us a reliable long-term partner for industrial machinery manufacturers worldwide.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3–5 day lead time for samples, 5–15 days for bulk orders
- Multiple shipping options including express, air, and sea freight
- Real-time logistics tracking provided for all orders
- 1pc minimum order quantity supported for emergency replacements
Get Your NN3028K Bearing Shipped Fast
Don’t let equipment downtime affect your production schedule. Contact us today with your NN3028K Cylindrical Roller Bearing requirements, including quantity and application details. Our team will provide a prompt quote and ensure your order is delivered within our standard lead times, helping you resume operations quickly.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, all our bearings are manufactured in our ISO9001 & ISO14001 certified facilities with full material and production traceability.
Q: How can I confirm if the NN3028K fits my machine?
A: Provide your equipment model or technical specifications, and our engineering team will verify compatibility and offer选型 support.
Q: What warranty coverage do you offer?
A: We provide a 12-month global warranty covering manufacturing defects, with free replacement or refund available for qualifying issues.
Q: What is the minimum order quantity for this bearing?
A: We accept 1pc MOQ for standard items, supporting both emergency repairs and small-batch requirements.
Q: How quickly can you ship the NN3028K bearing?
A: Sample orders ship within 3–5 days, while bulk orders typically deliver in 5–15 days depending on quantity.
Q: Do you offer OEM/ODM services for this bearing?
A: Yes, we provide full OEM/ODM customization, including branding, special dimensions, and performance modifications.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
