Roller Bearing

Cylindrical Roller Bearing NJ340EM Nu340EM High Precision P0-P4 for Industrial Machinery

SKU: c6eec408bdee In Stock

Ensure smooth, precise rotation for your industrial machinery with our Cylindrical Roller Bearing NJ340EM Nu340EM, engineered to deliver reliable performance even under heavy radial loads. Crafted from high-grade bearing steel and available in P0-P4 precision grades, this separated-type radial bearing minimizes downtime and extends equipment lifespan—perfect for professionals seeking stability in demanding manufacturing environments.

  • Non-aligning design with Z1V1-Z3V3 vibration control ensures consistent operation in machine tools, reducers, and printing equipment
  • Supports both grease and oil lubrication for flexible maintenance, while the 200*420*80mm specification fits standard industrial setups
  • Backed by our ISO 9001-certified quality control and 12-month warranty, with OEM/ODM customization available to match your exact technical requirements
Wholesale Price (FOB)
¥1.10
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Product Specifications

Parameter Details
Model NO. NJ340EM
Product Name Cylindrical Roller Bearing
Bore Size 15-90 mm
Outer Dimension 35mm-180mm
Specification 200*420*80mm
Material Bearing Steel
Structure Cylindrical
Load Direction Radial Bearing
Separated Separated
Spherical Non-Aligning Bearings
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
Vibration Z1V1 Z2V2 Z3V3
Service OEM ODM
Transport Package Carton Pallet
HS Code 8482500090

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Printing Equipment, Reducers
Auto Manufacturing Transmission Systems, Gearboxes
Agricultural Machinery Harvesters, Tractors
New Energy Wind Turbines, Solar Equipment
Engineering Machinery Excavators, Heavy Load Equipment

Minimize Downtime with High Precision Cylindrical Roller Bearing NJ340EM for Industrial Machinery

Industrial machinery operators know the cost of unexpected downtime—hours of lost production, expensive repairs, and missed deadlines. When bearings fail prematurely due to poor precision or material quality, the impact ripples through entire operations. Sourcing reliable, high-precision bearings that meet exact specifications can be a challenge, especially when balancing lead times, minimum order quantities, and consistent quality.

Engineered for Reliability: NJ340EM Cylindrical Roller Bearing

Our Cylindrical Roller Bearing NJ340EM is designed to address these pain points, offering P0-P4 precision ratings and Z1V1-Z3V3 noise grades to ensure smooth operation in critical industrial applications. As an integrated manufacturer with full R&D capabilities and ISO9001 certification, we deliver bearings that meet strict quality standards, supported by a 12-month global warranty. Whether for machine tool spindles, printing presses, or reducers, this bearing provides the durability and performance needed to keep your equipment running efficiently.

Optimal Performance in Demanding Industrial Conditions

The NJ340EM Cylindrical Roller Bearing excels in high-load, high-speed industrial environments, where radial load capacity and precision are paramount. Its separated structure allows for easy mounting and dismounting, simplifying maintenance and reducing downtime during repairs. Crafted from high-grade bearing steel, it withstands heavy loads and continuous operation, making it ideal for applications such as CNC machines, conveyors, and industrial gearboxes where reliability directly impacts productivity.

Technical Excellence That Drives Performance

Key technical features of the NJ340EM ensure superior performance in industrial settings. The precision rating (P0-P4) guarantees tight tolerances, minimizing vibration and noise—critical for precision machinery like printing equipment and machine tools. Vibration grades (Z1V1-Z3V3) further enhance operational smoothness, reducing wear on adjacent components and extending overall equipment life. The bearing’s radial load design efficiently handles heavy loads, while compatibility with both grease and oil lubrication allows adaptation to specific operational requirements, ensuring optimal performance across diverse industrial applications.

Long-Term Value: Authentic Bearings vs. Costly Counterfeits

Choosing authentic high-precision bearings like the NJ340EM avoids the hidden costs of counterfeit products. Fake bearings often fail early, leading to unplanned downtime, costly repairs, and potential damage to expensive machinery. In contrast, our bearings are manufactured under strict quality control processes, with each unit tested to meet industry standards. The 12-month warranty and defect replacement policy provide additional security, ensuring that your investment in reliable components translates to lower total cost of ownership over time.

Why Global Buyers Choose Saifan Bearings

With over 18 years of experience serving global markets across Europe, America, Southeast Asia, and the Middle East, we have built a reputation for reliability. Our ISO9001 and ISO14001 certifications underscore our commitment to quality and environmental responsibility. We offer flexible ordering with 1pc MOQ for standard items, 3–5 days sample lead time, and 5–15 days bulk delivery, ensuring you get the bearings you need when you need them. Our technical team provides free guidance, and our defect replacement/refund policy ensures peace of mind. As a trusted partner, we prioritize stable supply, competitive pricing, and long-term collaboration.

Packaging & Shipping

  • Secure carton and pallet packaging to prevent damage during transit
  • Sample lead time: 3–5 days for standard items
  • Bulk delivery: 5–15 days after order confirmation
  • Flexible shipping options: T/T, credit card, and Alibaba trade payment supported
  • 1pc MOQ available for standard items, ideal for emergency repairs or small-scale projects

Get Your NJ340EM Bearing Today

Don’t let bearing-related issues disrupt your production schedule. Whether you need a single unit for emergency repair or bulk orders for planned maintenance, we ensure prompt delivery and consistent quality. Contact us with your bearing specifications, application details, and quantity to receive a competitive quote—our team will respond within 24 hours to help you keep your machinery running at peak performance.

Frequently Asked Questions

Q: Are these bearings authentic and traceable?

A: Yes, we are an integrated manufacturer with strict quality control processes. All bearings are produced in our ISO9001-certified facility and come with full traceability documentation.

Q: How can I confirm if the NJ340EM is suitable for my equipment?

A: Provide your equipment model, operating conditions (load, speed, temperature), and required precision grade. Our technical team will verify compatibility and offer free选型 support.

Q: What is the warranty period for this bearing?

A: We offer 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 the NJ340EM?

A: We accept 1pc MOQ for standard items, making it easy to source single units for emergency repairs or small projects.

Q: How quickly can I receive my order?

A: Samples are available in 3–5 days, and bulk orders ship within 5–15 days after payment confirmation, depending on order size.

Q: What payment methods do you accept?

A: We support T/T, credit card, and Alibaba trade assurance for secure and flexible payment processing.

Ready to order or need a

Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

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