Super Precision Double Row Cylindrical Roller Bearing NN3018 TN3/SPW33 for Industrial Machinery
Famous Brand Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Famous Brand Bearing SKF Bearings SKF Bearings

Super Precision Double Row Cylindrical Roller Bearing NN3018 TN3/SPW33 for Industrial Machinery

Ensure smooth, precise operation of your industrial machinery with the Super Precision Double Row Cylindrical Roller Bearing NN3018 TN3/SPW33, designed to minimize downtime and enhance equipment reliability. As a high-precision solution for industrial applications, this bearing delivers exceptional load capacity and rotational accuracy, addressing the need for consistent performance in demanding mechanical systems.

  • Open structure design with double-row cylindrical rollers ensures optimal radial load distribution and heat dissipation
  • SPW33 precision grade meets strict industrial standards, ideal for machine tools, textile machinery, and printing equipment requiring P0-P4 precision levels
  • Lightweight 0.250kg single unit weight balances durability with efficient installation, supported by Saifan Bearings' 12-month warranty and technical support

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. NN3018 TN3/SPW33
Type Roller
Selling Units Single Item
Number of Row Double Row
Inner Diameter 06 mm
Single Gross Weight 0.250 kg
Structure Cylindrical
Seals Type Open
Trademark SKF
Origin China

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Gearboxes, Reducers
Manufacturing CNC Machines, Spindles, Printing Equipment

Reduce Downtime with Genuine Super Precision Double Row Cylindrical Roller Bearing NN3018 TN3/SPW33

Industrial machinery operators know the cost of unexpected downtime—missed deadlines, maintenance overtime, and production losses that eat into profits. When bearings fail prematurely due to poor quality or incorrect specifications, the impact ripples through the entire operation. Sourcing reliable precision bearings that meet exact technical requirements often means navigating complex supply chains with long lead times and minimum order quantities that strain inventory budgets.

Precision Engineered for Industrial Machinery Performance

The Super Precision Double Row Cylindrical Roller Bearing NN3018 TN3/SPW33 is designed to address these challenges, offering a direct solution for equipment requiring high radial load capacity and precise rotation. As a professional bearing supplier with decades of export experience, we ensure each unit meets strict quality standards, supporting seamless integration into industrial machinery such as machine tools and gearboxes. Our flexible order policy allows for single-piece purchases, making it easy to secure critical replacements without overstocking.

Optimal Performance in Demanding Industrial Environments

This double row cylindrical roller bearing excels in applications involving heavy radial loads and high speeds, common in industrial machinery where stability and durability are non-negotiable. The open seal design minimizes friction, making it suitable for operations where regular lubrication is accessible, while the double row structure enhances load distribution to extend service life under continuous operation. Whether used in CNC machine spindles or reducer assemblies, this bearing delivers consistent performance in challenging industrial conditions.

Key Technical Features Driving Reliability

The NN3018 TN3/SPW33 bearing’s technical specifications are critical to its performance. With a double row cylindrical structure, it provides superior radial load handling compared to single row alternatives, ensuring stability in high-torque applications. The precision manufacturing—backed by our in-house laboratory testing—guarantees dimensional accuracy, reducing vibration and noise during operation. The 0.250 kg gross weight balances durability with manageable installation, while the open design allows for easy maintenance, a key advantage in industrial settings where equipment uptime is priority.

Why Genuine Bearings Lower Total Cost of Ownership

Choosing genuine bearings over counterfeit alternatives directly impacts long-term operational costs. Counterfeit bearings often fail prematurely due to substandard materials and poor manufacturing, leading to unplanned downtime and costly repairs. In contrast, our bearings meet international standards, including ISO 9001:2015 quality management requirements, ensuring reliable performance and reducing the risk of equipment damage. The 12-month warranty further protects your investment, providing peace of mind that extends beyond the initial purchase.

Our Commitment to Quality and Service

With over 18 years of experience serving global industrial clients, we bring expertise in matching bearings to specific application needs. Our professional technical team offers free guidance on selection and installation, ensuring optimal performance. We maintain strict quality control through incoming raw material inspections and full-process production supervision, with all products certified to meet ISO, ABMA, and DIN standards. For distributors and wholesalers, we provide free samples (freight included) to verify quality before bulk orders, supported by efficient delivery—3-5 working days for samples and 5-15 for bulk shipments.

Packaging & Shipping

  • Standard packaging: 20.00cm * 20.00cm * 20.00cm carton with protective padding
  • Package gross weight: 0.300kg per unit
  • Sample orders shipped within 3-5 working days
  • Bulk orders delivered in 5-15 working days
  • Multiple logistics options available, including express and sea freight
  • 1 piece MOQ for standard bearings, ideal for紧急 repairs

Secure Your Bearing Today

Don’t let equipment downtime disrupt your production schedule. The NN3018 TN3/SPW33 Super Precision Double Row Cylindrical Roller Bearing is in stock and ready to ship, with the technical support to ensure proper integration. Contact us with your requirements, and our team will confirm compatibility and provide a competitive quote within 24 hours.

Frequently Asked Questions

Q: Is this a genuine SKF bearing?

A: Yes, we supply genuine brand bearings, including SKF, with full traceability to ensure authenticity.

Q: How do I confirm if this bearing fits my machinery?

A: Provide your equipment model or technical specifications, and our technical team will verify compatibility at no cost.

Q: What is the warranty period?

A: All bearings come with a 12-month warranty from the date of delivery, covering manufacturing defects.

Q: What is the minimum order quantity?

A: Standard bearings have a 1-piece MOQ, supporting small orders and emergency repairs.

Q: How long does shipping take?

A: Sample orders ship in 3-5 working days; bulk orders take 5-15 working days, with tracking provided.

Q: How can I verify the bearing’s authenticity?

A: Genuine bearings include original packaging and serial numbers, which can be cross-checked with manufacturer records. We provide full documentation for traceability.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Tags: Cylindrical Roller Bearings Double Row Cylindrical Bearings High Precision Industrial Bearings Industrial Machinery Bearings NN3018 TN3/SPW33 Bearing Precision Roller Bearings for Industrial Machinery SPW33 Cylindrical Roller Bearing Super Precision Double Row Cylindrical Roller 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
HS7017-E-T-P4s-UL FAG Angular Contact Ball Bearing for Milling Machine Spindle with P4 Precision

FAG Bearings

HS7017-E-T-P4s-UL FAG Angular Contact Ball Bearing for Milling Machine Spindle with P4 Precision

<p>Enhance your milling machine's spindle performance with the <strong>HS7017-E-T-P4s-UL FAG angular contact ball bearing</strong>, engineered to deliver P4 precision for smooth, reliable operation even under heavy cutting loads. This genuine FAG bearing features a 25° contact angle (E design) that optimizes axial load capacity, ensuring minimal vibration and extended tool life—critical for maintaining tight tolerances in high-speed machining applications.</p><ul><li>ISO P4 precision grade guarantees consistent rotational accuracy, reducing spindle runout for superior workpiece finishes</li><li>Durable steel construction and UL certification meet industrial standards, providing long-term stability for demanding production environments</li><li>Designed specifically for milling machine spindles, it directly addresses the need for precision and durability in metalworking operations</li></ul>

View Details
Spherical Roller Bearing 23132-Cc K-W33 Low Friction for Construction Machinery

Famous Brand Bearing

Spherical Roller Bearing 23132-Cc K-W33 Low Friction for Construction Machinery

<p>Reduce downtime and boost efficiency in heavy-duty construction equipment with the <strong>Spherical Roller Bearing 23132-Cc K-W33</strong>, engineered for low friction and reliable self-alignment under extreme loads. Crafted from high-grade Chrome Steel Gcr15, this double-row bearing minimizes wear and heat buildup, ensuring smooth operation even in harsh job site conditions.</p> <ul> <li>Self-aligning design compensates for shaft misalignment, extending equipment lifespan and reducing maintenance costs</li> <li>Low friction performance enhances energy efficiency, supporting longer run times between service intervals</li> <li>Precision-engineered suffix code configuration (K-W33) delivers optimal load distribution for construction machinery applications</li> </ul> <p>Backed by decades of manufacturing expertise, this bearing ensures consistent performance you can trust—keep your machinery moving with confidence, even in the toughest environments.</p>

View Details
Miniature Double Row Cylindrical Roller Bearing RNU212 Ec J for Industrial Machinery

Famous Brand Bearing

Miniature Double Row Cylindrical Roller Bearing RNU212 Ec J for Industrial Machinery

<p>Ensure smooth, precise rotation for your industrial machinery with the <strong>Miniature Double Row Cylindrical Roller Bearing RNU212 Ec J</strong>. Engineered to deliver consistent performance under demanding conditions, this bearing minimizes downtime and enhances equipment reliability—perfect for manufacturers seeking stable, long-lasting components.</p><ul><li> Crafted from high-grade bearing steel with 60-64 HRC hardness, ensuring exceptional wear resistance and extended service life in heavy-duty applications</li><li> Features separated design and clearance options (C0/C2/C3/C4/C5) for easy installation and precise alignment, critical for maintaining operational accuracy</li><li> Supports axial loads efficiently while reducing vibration (Z1V1-Z3V3 grades), ideal for precision machinery where smooth operation is non-negotiable</li></ul>

View Details
Pillow Block Bearing UCF318 Spherical Raceway for Auto Parts High Temperature Resistant

Famous Brand Bearing

Pillow Block Bearing UCF318 Spherical Raceway for Auto Parts High Temperature Resistant

<p>Ensure smooth, reliable rotation in high-heat auto parts applications with the <strong>Pillow Block Bearing UCF318</strong>, engineered to maintain performance even under extreme temperature conditions. Its spherical raceway design self-aligns to reduce installation stress, minimizing premature wear and extending service life—critical for keeping your machinery running without costly downtime.</p><ul><li>Single-row construction with F-type bearing block for secure mounting in automotive assemblies</li><li>High-temperature resistant materials prevent lubricant breakdown and maintain precision (P0-P4 grade available)</li><li>Corrosion-resistant finish ensures durability in challenging under-hood environments</li><li>Backed by Saifan’s 12-month warranty and technical support for confident long-term use</li></ul>

View Details