High-Precision NTN 6306 Deep Groove Ball Bearing 30x72x19mm for Industrial Machinery
Famous Brand Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Famous Brand Bearing NTN Bearings NTN Bearings

High-Precision NTN 6306 Deep Groove Ball Bearing 30x72x19mm for Industrial Machinery

Ensure smooth, precise rotation for your industrial machinery with the high-precision NTN 6306 deep groove ball bearing. Engineered to deliver reliable performance in demanding applications like gearboxes and fans, this 30x72x19mm bearing minimizes downtime and maximizes operational efficiency—exactly what you need to keep production running without interruption.

  • Constructed from premium bearing steel for exceptional durability and long service life, even under heavy loads
  • Supports both grease and oil lubrication, offering flexibility to match your specific machinery requirements
  • Backed by Saifan’s strict quality control and 12-month warranty, ensuring consistent performance you can trust

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. 6306
Type Deep Groove Ball Bearing
Bore Diameter (d) 30mm
Outside Diameter (D) 72mm
Width (B) 19mm
Material Bearing Steel
Lubrication Grease or Oil
Trademark NTN
Origin Japan
HS Code 8482300000

Application Industries

Industry Typical Equipment
Industrial Machinery Gearboxes, Electric Motors, Conveyors
Automotive Car Transmission Systems, Fan Assemblies

Minimize Downtime with Genuine NTN 6306 Deep Groove Ball Bearing

Equipment failure due to substandard bearings costs manufacturers thousands in lost production. When a single bearing failure halts your assembly line, every hour of downtime eats into your profit margin. Sourcing reliable, high-precision bearings often means navigating minimum order quantities or waiting weeks for delivery—until now.

Genuine NTN 6306 Bearings, Ready for Immediate Shipment

Our NTN 6306 deep groove ball bearing delivers the performance industrial machinery demands. As an experienced bearing supplier with decades of export experience, we maintain stock of genuine NTN bearings to support your urgent maintenance needs. This 30x72x19mm bearing is engineered for reliable operation in gearboxes, electric motors, and automotive fan assemblies, ensuring your equipment runs smoothly under continuous load.

Engineered for Demanding Industrial Environments

The NTN 6306 bearing thrives in high-speed rotational applications common in industrial machinery. Its deep groove design accommodates both radial and axial loads, making it ideal for precision equipment where consistent performance is critical. Whether installed in a conveyor system or a car transmission, this bearing maintains stability even under varying temperature and vibration conditions, reducing the risk of unexpected breakdowns.

Technical Features That Ensure Longevity

Crafted from high-grade bearing steel, the NTN 6306 offers exceptional durability compared to lower-quality alternatives. Its precision manufacturing ensures tight tolerances, minimizing noise and vibration during operation. The bearing supports both grease and oil lubrication, allowing customization to match your specific application requirements. With NTN’s renowned quality control, this bearing meets international standards for reliability, ensuring extended service life in heavy-duty industrial settings.

Avoid Hidden Costs of Counterfeit Bearings

Choosing unauthorized bearings may seem cost-effective initially, but the consequences are severe. Counterfeit bearings often fail prematurely, leading to costly equipment damage and production delays. Our genuine NTN 6306 bearing comes with full traceability, ensuring you receive a product that meets OEM specifications. By investing in authentic components, you reduce long-term maintenance costs and protect your machinery from preventable failures.

Why Industrial Buyers Choose Saifan Bearings

With ISO 9001:2015 and ISO 14001 certifications, we adhere to strict quality management practices. Our 12-month warranty covers manufacturing defects, providing peace of mind for your purchase. As a professional supplier serving Europe, North America, Southeast Asia, and the Middle East, we offer flexible order options—including 1-piece MOQ for standard bearings—and efficient delivery, with sample orders shipped within 3-5 working days. Our technical team provides free guidance on selection and installation, ensuring you get the right bearing for your application.

Packaging & Shipping

  • Carton and pallet packaging for secure transportation
  • Sample orders shipped within 3-5 working days
  • Multiple logistics options including express, air, and sea freight
  • Real-time tracking provided for all shipments
  • 1-piece minimum order quantity for standard bearings

Get Your NTN 6306 Bearing Today

Don’t let equipment downtime impact your bottom line. Whether you need a single bearing for emergency repair or bulk quantities for production, we have you covered. Contact us with your requirements, and our team will respond within 24 hours to ensure prompt delivery.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

A: Yes, we supply genuine original NTN bearings with full traceability to ensure authenticity.

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

A: Provide your equipment model or specific application details, and our technical team will verify compatibility.

Q: What is the warranty period?

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

Q: What is the minimum order quantity?

A: We accept 1-piece orders for standard bearings, ideal for emergency repairs.

Q: How long does shipping take?

A: Sample orders ship within 3-5 working days; bulk orders take 5-15 working days depending on quantity.

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

Tags: 30x72x19mm Bearing deep groove ball bearing High Precision Bearing for Industrial Equipment high-precision NTN 6306 bearing Industrial Machinery Bearing Industrial Machinery Deep Groove Ball Bearing NTN 6306 bearing NTN deep groove ball bearing 30x72x19mm
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
Double Row Angular Contact Ball Bearing 3309 A/C3 High Load for Heavy Machinery & Vehicle

Famous Brand Bearing

Double Row Angular Contact Ball Bearing 3309 A/C3 High Load for Heavy Machinery & Vehicle

<p>Ensure smooth, high-load performance for your heavy machinery and vehicles with the <strong>Double Row Angular Contact Ball Bearing 3309 A/C3</strong> — designed to handle radial and axial loads with precision, reducing downtime and extending equipment lifespan. Crafted from premium bearing steel with P0-P4 precision ratings, this double row angular contact bearing delivers stable rotation even in demanding industrial environments, addressing the need for reliable components that keep operations running without unexpected failures.</p><ul><li>Features a separable design for easy maintenance and replacement, a critical advantage for busy workshops needing quick repairs</li><li>Available with steel, copper, or nylon cages to match specific application requirements, ensuring optimal compatibility with your machinery</li><li>Supports oil or grease lubrication, offering flexibility to adapt to different operating conditions while maintaining low noise and vibration levels</li></ul>

View Details
Self-Aligning Roller Bearing 22228W33C3 P0-P4 Precision for Industrial Machinery

Famous Brand Bearing

Self-Aligning Roller Bearing 22228W33C3 P0-P4 Precision for Industrial Machinery

<p>Ensure smooth, long-term operation of your industrial machinery with the <strong>Self-Aligning Roller Bearing 22228W33C3</strong>, designed to minimize downtime and handle misalignment effortlessly. This P0-P4 precision bearing (100x215x47mm) delivers reliable radial load performance, making it ideal for heavy-duty equipment like conveyors and crushers.</p><ul><li>C3 clearance ensures optimal heat dissipation under continuous operation, reducing premature wear</li><li>Double-row roller design accommodates shaft deflection, maintaining stability even in rugged conditions</li><li>Premium bearing steel construction guarantees consistent performance, backed by our ISO 9001-certified quality control</li></ul>

View Details
Spherical Roller Bearing 24052 CC/W33 Double Row Self-Aligning Chrome Steel Gcr15

Famous Brand Bearing

Spherical Roller Bearing 24052 CC/W33 Double Row Self-Aligning Chrome Steel Gcr15

<p>Keep your heavy machinery running smoothly even in misaligned conditions with this high-performance <strong>24052 CC/W33 Spherical Roller Bearing</strong>. Engineered with double row self-aligning design and premium Chrome Steel Gcr15, it delivers exceptional load capacity and durability to minimize downtime and maintenance costs.</p><ul><li>Self-aligning capability compensates for shaft deflection, ensuring stable operation in demanding industrial settings</li><li>W33 suffix indicates a lubrication groove and three oil holes for optimal maintenance and extended service life</li><li>Precision-manufactured to meet ISO standards, backed by Saifan's strict quality control and 12-month warranty for reliable performance you can trust</li></ul>

View Details
Thrust Roller Bearings for Crusher Equipment – Reliable SKF AXW35 81107 TN 81222 TN

Famous Brand Bearing

Thrust Roller Bearings for Crusher Equipment – Reliable SKF AXW35 81107 TN 81222 TN

<p>Keep your crusher equipment running smoothly with high-performance <strong>Thrust Roller Bearings for Crusher</strong>—engineered to handle heavy axial loads and reduce downtime in demanding crushing operations. These precision bearings, including SKF AXW35, 81107 TN, and 81222 TN models, deliver reliable rotation even under extreme pressure, ensuring consistent productivity for your machinery.</p><ul><li>Designed with optimized raceway geometry to minimize friction and extend service life, critical for continuous crusher operation</li><li>Available in custom specifications to match your equipment’s exact requirements, backed by our ISO 9001-certified quality control</li><li>Securely packaged in carton pallets for safe transit, with flexible order options to meet both urgent repairs and bulk production needs</li></ul>

View Details