Double Row Cylindrical Roller Bearing NN3019K P4 Precision for Industrial Machinery
Roller Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Roller Bearing Single-Row Cylindrical Roller Bearings

Double Row Cylindrical Roller Bearing NN3019K P4 Precision for Industrial Machinery

Ensure smooth, high-precision operation for your industrial machinery with our Double Row Cylindrical Roller Bearing NN3019K P4 Precision. Engineered to deliver exceptional radial load capacity and minimal vibration, this bearing eliminates downtime caused by premature wear, keeping your production line running at peak efficiency.

  • Precision-grade P4 tolerance ensures tight dimensional control, critical for high-speed applications like machine tool spindles and reducers
  • Separated inner and outer rings allow easy mounting and dismounting, simplifying maintenance and reducing assembly time
  • Constructed with high-grade bearing steel for long service life, even under heavy loads and continuous operation

MOQ

1 Piece

Lead Time

5-15 Days

Warranty

12 Mo.

Precision

P0-P4

Noise Grade

Z2-Z4

Customization

OEM/ODM

  • High-grade chrome steel for long service life
  • Strict raw material inspection & full process monitoring
  • ISO 9001:2015 & ISO 14001 certified
  • ABMA & DIN standards compliant
  • Free samples for qualified distributors
  • T/T, Credit Card & Alibaba payment accepted

Product Details

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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