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
High Quality Conical Roller Bearing 32906 with P0-P4 Precision for Industrial Machinery

Roller Bearing

High Quality Conical Roller Bearing 32906 with P0-P4 Precision for Industrial Machinery

<p>Ensure smooth, precise rotation for your industrial machinery with our <strong>High Quality Conical Roller Bearing 32906</strong>, engineered to deliver reliable performance even under heavy loads. Crafted to P0-P4 precision grades and Z1V1-Z3V3 vibration standards, this 30x47x12mm bearing minimizes downtime by maintaining stable operation across demanding work environments.</p><ul><li>Grease or oil lubrication flexibility adapts to your specific machinery needs, reducing maintenance hassle</li><li>Supports OEM/ODM customization to match unique equipment specifications, ensuring a perfect fit for your production line</li><li>Backed by our strict quality control and 12-month warranty, giving you confidence in long-term durability</li></ul>

View Details
Self-Aligning Roller Bearings 23120CA 23122CA 23124CA W33 for Industrial Machinery

Roller Bearing

Self-Aligning Roller Bearings 23120CA 23122CA 23124CA W33 for Industrial Machinery

<p>Ensure smooth, reliable rotation in your industrial machinery with our <strong>Self-Aligning Roller Bearings</strong>—engineered to minimize downtime and maximize equipment lifespan. The 23120CA, 23122CA, and 23124CA W33 models deliver exceptional radial load capacity and self-aligning performance, ideal for heavy-duty applications like machine tools and textile equipment.</p><ul><li>Precision grades from P0 to P4 and clearance options (C0/C3/C4) ensure optimal fit for your specific operating conditions</li><li>Double-row roller design with high-grade bearing steel construction reduces vibration and extends service life</li><li>Backed by ISO 9001:2015 quality standards and our 12-month warranty for worry-free operation</li></ul>

View Details
Self-Aligning Roller Bearing 22260 CDE4 C3 Clearance for Industrial Machinery 300x540x140mm

Roller Bearing

Self-Aligning Roller Bearing 22260 CDE4 C3 Clearance for Industrial Machinery 300x540x140mm

<p>Ensure smooth, reliable operation for your industrial machinery with this <strong>Self-Aligning Roller Bearing 22260 CDE4 C3</strong>, engineered to deliver exceptional performance even under heavy loads and misalignment. The 300x540x140mm double row design minimizes vibration and extends equipment lifespan, making it ideal for demanding applications like reducers and large-scale industrial gearboxes.</p><ul><li>C3 clearance provides optimal thermal expansion allowance, preventing premature wear in high-temperature environments</li><li>Precision-grade construction (available up to P4) ensures consistent rotation and reduces maintenance downtime</li><li>Built with high-grade bearing steel for superior durability, backed by our ISO 9001:2015 quality assurance</li><li>Supports OEM/ODM customization to match your specific machinery requirements, with flexible MOQ and fast 5-15 day bulk delivery</li></ul>

View Details
Tapered Roller Bearing 31304 33206 33006 for Motor & Electrical Equipment with P0-P4 Precision

Roller Bearing

Tapered Roller Bearing 31304 33206 33006 for Motor & Electrical Equipment with P0-P4 Precision

<p>Ensure smooth, precise rotation for your motor and electrical equipment with our high-performance <strong>Tapered Roller Bearing</strong> range (31304, 33206, 33006). Engineered to deliver P0-P4 precision, these bearings minimize vibration (Z1V1-Z3V3) and extend equipment lifespan, even under heavy radial loads.</p><ul><li>Separated design allows easy installation and maintenance, reducing downtime for industrial machinery</li><li>Premium bearing steel construction ensures durability in demanding motor applications</li><li>Flexible lubrication options (grease or oil) adapt to your specific operational needs</li><li>Backed by our ISO 9001-certified quality control, ensuring consistent performance batch after batch</li></ul>

View Details