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

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Roller Bearing Single-Row Cylindrical Roller Bearings

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

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

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. 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

Tags: Cylindrical Roller Bearing Cylindrical Roller Bearing for Industrial Machinery High Precision Cylindrical Roller Bearing NJ340EM NJ340EM High Precision Bearing Nu340EM Nu340EM Industrial Machinery Bearing P0-P4 Industrial Bearing
Fast Response · Within 24 Hours

Request a Quote for
This Product

Tell us your requirements -- quantity, specifications, or customization needs. Our team will respond with a competitive quote within 24 hours.

01

Submit Inquiry

Fill in your product requirements and contact details.

02

Confirm Parameters

Our team confirms specs, quantity, and arranges samples.

03

Receive Quotation

Get a detailed PI with competitive pricing and trade terms.

04

Place Order

Complete payment and we arrange production & delivery.

Product Inquiry Form

By submitting, you agree to be contacted by our sales team. We respect your privacy.

Related Products

More products from the same category

View All
Needle Roller Bearing RNAV4003 24.3x35x18mm P0-P4 Precision for Industrial Machinery

Needle Roller Bearings

Needle Roller Bearing RNAV4003 24.3x35x18mm P0-P4 Precision for Industrial Machinery

<p>Ensure smooth, precise rotation for your industrial machinery with the <strong>Needle Roller Bearing RNAV4003</strong>, engineered to deliver reliable performance in demanding applications. This 24.3x35x18mm precision bearing (P0-P4 grades) minimizes downtime with its robust bearing steel construction and optimized radial load capacity, addressing the critical need for consistent operation in high-stress environments.</p><ul><li>Features a closed design without inner/outer rings, ideal for compact installations where space efficiency is key</li><li>Supports both grease and oil lubrication to adapt to your machinery’s specific maintenance requirements</li><li>Backed by Saifan’s strict quality control and 12-month warranty, ensuring long service life and peace of mind</li></ul>

View Details
Cylindrical Roller Bearing NU2206EM 30x62x20mm P0-P4 Precision for Industrial Machinery

Roller Bearing

Cylindrical Roller Bearing NU2206EM 30x62x20mm P0-P4 Precision for Industrial Machinery

<p>Ensure smooth, precise rotation in your industrial machinery with the <strong>Cylindrical Roller Bearing NU2206EM</strong>, engineered to deliver reliable performance even under heavy radial loads. This 30x62x20mm bearing (P0-P4 precision grades) minimizes downtime and extends equipment lifespan, addressing the critical need for consistent operation in manufacturing environments.</p><ul><li>Separated inner/outer ring design allows easy mounting and dismounting, simplifying maintenance for machinery technicians</li><li>High-grade bearing steel construction ensures durability, while open seals accommodate versatile lubrication options (oil, grease, dry)</li><li>Single-row structure optimized for radial load handling, making it ideal for machine tools, reducers, and industrial gearboxes</li></ul>

View Details
Needle Roller Bearing RNA4876 for Automobile, P0-P4 Precision, Radial Load Capacity 415x480x100mm

Needle Roller Bearings

Needle Roller Bearing RNA4876 for Automobile, P0-P4 Precision, Radial Load Capacity 415x480x100mm

<p>Ensure smooth and reliable rotation in your automotive applications with the <strong>Needle Roller Bearing RNA4876</strong>, engineered to deliver precision performance from P0 to P4 grades. This radial load bearing, sized at 415x480x100mm, handles heavy-duty demands while maintaining stability, making it ideal for automotive transmission systems and high-load components.</p><ul><li>Designed without inner and outer rings for space efficiency, perfect for compact automotive assemblies where every millimeter counts</li><li>Grease or oil lubrication flexibility adapts to your maintenance routine, ensuring long service life even in harsh operating conditions</li><li>Backed by Saifan's strict quality control and 12-month warranty, so you can trust consistent performance batch after batch</li></ul>

View Details
Self-Aligning Roller Bearings NSK 22321CDE4 22322CDE4 for Industrial Machinery P0-P4 Precision

Roller Bearing

Self-Aligning Roller Bearings NSK 22321CDE4 22322CDE4 for Industrial Machinery P0-P4 Precision

<p>Ensure smooth, reliable rotation for your industrial machinery with <strong>NSK 22321CDE4</strong> Self-Aligning Roller Bearings, engineered to minimize downtime and maximize operational efficiency. These precision-grade bearings (P0-P4) handle radial loads with exceptional stability, even in misaligned shafts, making them ideal for heavy-duty equipment like reducers and textile machinery.</p><ul><li>Double-row roller design delivers superior load capacity and shock resistance, critical for continuous industrial use</li><li>Available clearances (C0/C3/C4) allow customization to match specific machinery requirements, reducing premature wear</li><li>Constructed with high-grade bearing steel for long service life, backed by Saifan’s strict quality control and 12-month warranty</li></ul>

View Details