Product Specifications
| Parameter |
Details |
| Model NO. |
NN3019K |
| Outer Dimension |
35mm-180mm |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Separated |
| Product Name |
Cylindrical Roller Bearing |
| Structure |
Cylindrical |
| Seals Type |
Open |
| Lubricate |
Oil Grease Dry |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Number of Row |
Single Row |
| Vibration |
V1V2V3V4 |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
95*145*37 mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482500090 |
| Production Capacity |
100000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| New Energy |
Wind Turbines, Solar Panel Manufacturing Machinery |
| Agriculture |
Harvesters, Tractors |
| Construction |
Excavators, Heavy Load Machinery |
Minimize Downtime with NN3019K P4 Precision Double Row Cylindrical Roller Bearing for Industrial Machinery
Industrial machinery operators know the frustration of unplanned downtime caused by bearing failure. Precision equipment like machine tools and reducers demands reliable components—yet many face challenges with inconsistent quality, long lead times for custom orders, and difficulty finding bearings that meet strict accuracy requirements. When a bearing fails, the cost goes beyond replacement parts; it includes lost production, maintenance labor, and disrupted schedules.
NN3019K P4 Precision Bearing: Engineered for Reliable Industrial Performance
Our Double Row Cylindrical Roller Bearing NN3019K addresses these pain points with P4 precision rating, ensuring optimal performance in high-precision industrial machinery. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we control the entire production process from raw material selection to final quality inspection. The separated design allows for easy installation and maintenance, while the bearing steel construction delivers durability for heavy radial loads. With 1pc MOQ for standard items and 3–5 days sample lead time, we support both紧急维修 and small-batch production needs.
Optimal Performance in Demanding Industrial Conditions
The NN3019K P4 Precision Bearing excels in applications requiring high radial load capacity and precise rotational accuracy. Industrial machinery such as CNC machine tools and printing presses rely on consistent performance under varying speeds and loads. This bearing’s non-aligning design ensures stability in rigid shaft arrangements, while its open structure allows for flexible lubrication options—oil, grease, or dry operation—depending on specific machine requirements. Whether operating in moderate temperatures or continuous duty cycles, the bearing maintains dimensional stability to support long-term equipment reliability.
Key Technical Features That Drive Machinery Efficiency
Precision rating is critical for industrial machinery, and the P4 class of this NN3019K bearing ensures minimal radial and axial runout, reducing vibration and noise during operation. The separated inner and outer rings facilitate easy mounting and dismounting, simplifying maintenance procedures and reducing downtime during part replacement. With a specification of 95*145*37 mm, this bearing fits standard industrial equipment dimensions, ensuring compatibility with existing machinery setups. The V1-V4 vibration grades further enhance performance by minimizing operational noise, a key consideration in precision manufacturing environments where accuracy and quiet operation are essential.
Long-Term Value: Authentic Bearings vs. Costly Counterfeits
Choosing genuine bearings like the NN3019K P4 Precision Bearing reduces the risk of premature failure compared to counterfeit alternatives. Fake bearings often use substandard materials and lack proper heat treatment, leading to cracks, deformation, and unexpected breakdowns. The cost of replacing a failed bearing in a critical machine tool can exceed the initial savings from a cheap counterfeit by 10–20 times when accounting for production losses and repair expenses. Our bearings undergo rigorous quality control in our in-house lab, ensuring compliance with international standards and delivering consistent performance over their operational lifespan.
Why Industrial Manufacturers Trust Saifan Bearings
With 18 years of experience serving global markets, we’ve built a reputation for reliability in the bearing industry. Our full R&D capabilities allow us to offer OEM/ODM customization to meet unique machinery requirements, while our 12-month global warranty provides peace of mind. We maintain flexible order options, including free samples (buyer covers freight), and support multiple payment methods such as T/T, credit card, and Alibaba trade assurance. Our production capacity of 100,000 units ensures stable supply, even for large-scale projects, and our technical team offers free guidance to help customers select the right bearing for their specific application.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- Sample lead time of 3–5 days for urgent evaluation needs
- Bulk delivery within 5–15 days for standard orders
- Multiple logistics options including express, air, and sea freight
- 1pc minimum order quantity supported for emergency repairs
Get Your NN3019K P4 Bearing Today
Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement or a bulk order, our NN3019K P4 Precision Double Row Cylindrical Roller Bearing is ready to ship. Contact us with your equipment details and quantity requirements, and our team will provide a tailored quote within 24 hours. The sooner you secure reliable bearings, the sooner you can focus on maximizing your machinery’s uptime and productivity.
Frequently Asked Questions
Q: Is the NN3019K P4 bearing authentic and traceable?
A: Yes, all our bearings are manufactured in our ISO-certified facility and come with full traceability documentation. We stand behind the authenticity of every product we supply.
Q: How can I confirm if this bearing fits my industrial machinery?
A: Provide your equipment model, shaft diameter, and operational load speed, and our technical team will verify compatibility and offer free选型 guidance.
Q: What is the warranty policy for the NN3019K bearing?
A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide replacement or refund.
Q: What is the minimum order quantity for this bearing?
A: We accept 1pc MOQ for standard items, making it easy to source single units for emergency repairs or testing.
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