Deep Groove Ball Bearing 618/670 670x820x69mm NTN Bearing Steel for Industrial Machinery
<p>Ensure uninterrupted industrial machinery performance with the <strong>NTN 618/670 Deep Groove Ball Bearing</strong>, engineered to deliver reliable radial load support in heavy-duty applications. Crafted from high-grade bearing steel with precise 670x820x69mm dimensions, this single-row bearing maintains consistent operation even under demanding conditions, minimizing unexpected downtime for critical equipment.</p><ul><li>0° contact angle design optimizes radial load distribution, ideal for high-speed industrial machinery</li><li>Directly sourced from trusted origins to guarantee traceable quality and long service life</li><li>Precision manufacturing ensures seamless integration, reducing installation time and maintenance needs</li></ul>
- 100% genuine -- COC & factory certificates available
- In-stock · bulk & small-batch orders accepted
- ISO · DIN · ABMA · JIS compliant
- Full customs clearance documentation provided
Product Details
Full Specifications & Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 618/670 |
| Bearing Type | Deep Groove Ball Bearing |
| Bore Diameter (d) | 670 mm |
| Outside Diameter (D) | 820 mm |
| Width (B) | 69 mm |
| Material | Bearing Steel |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Contact Angle | 0° |
| Trademark | NTN |
| Origin | Germany Sweden Japan |
| HS Code | 8482102000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Heavy-duty rotating equipment, large-scale gearboxes, industrial fans |
Need a Reliable NTN 618/670 Deep Groove Ball Bearing? Here's What Matters
Finding the right large-size deep groove ball bearing for industrial machinery can be challenging. Mismatched dimensions lead to installation delays, while low-quality steel results in premature wear and unexpected downtime. Sourcing from multiple suppliers wastes time—you need a partner that can deliver authentic bearings with the exact specifications your equipment requires.
Built for Consistent Performance in Industrial Machinery
This NTN 618/670 deep groove ball bearing addresses these challenges with precision engineering. Manufactured from high-grade bearing steel, it delivers reliable radial load support for industrial machinery operating under heavy loads. With our extensive network covering major international brands, we can source this exact model and thousands more, ensuring you get the right part without unnecessary delays. Whether for new equipment assembly or maintenance, this bearing meets the dimensional standards required for seamless integration.
Optimal Performance in Heavy-Duty Industrial Environments
Designed for industrial machinery applications, this 670x820x69mm bearing excels in environments where stable radial load handling is critical. Its single-row design and 0° contact angle make it ideal for high-speed rotating components in large gearboxes, industrial fans, and heavy-duty conveyor systems. The robust bearing steel construction ensures durability even in dusty or high-vibration settings, where component reliability directly impacts production efficiency.
Engineering Details That Ensure Reliability
The 618/670 bearing’s specifications are engineered for performance. Its 670mm bore diameter and 820mm outer diameter provide a stable load-bearing structure, while the 69mm width balances rigidity and weight. Bearing steel material offers excellent hardness and wear resistance, essential for withstanding continuous operation under heavy loads. The 0° contact angle optimizes radial load distribution, reducing stress on the bearing raceways and extending service life. These features collectively minimize the risk of premature failure in critical industrial applications.
Why Choosing the Right Bearing Reduces Total Costs
Selecting a precision-engineered deep groove ball bearing like the NTN 618/670 lowers long-term operational costs. Inferior bearings often fail early, causing unplanned downtime, repair expenses, and potential damage to adjacent machinery. This bearing’s high-quality steel and manufacturing tolerances reduce maintenance needs and extend service intervals, directly impacting your bottom line. By investing in a bearing that meets exact industrial standards, you avoid the hidden costs of frequent replacements and production interruptions.
Quality You Can Trust in Every Bearing
Our commitment to quality ensures you receive bearings that meet rigorous standards. All products undergo inspection processes aligned with ISO 9001 guidelines, verifying dimensions, material hardness, and surface finish. We provide full traceability documentation, including origin and manufacturing details, for every bearing. With a warranty covering manufacturing defects, you can rely on consistent performance. Our global sourcing network ensures access to authentic NTN products and other major brands, delivered through reliable logistics channels.
Packaging & Shipping
- Standard industrial packaging to ensure product protection during transit
- Available for immediate shipment from stock for urgent requirements
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantity supported, accommodating both small and large-scale purchases
Get a Quote for Your NTN 618/670 Bearing Requirement
Whether you need a single NTN 618/670 deep groove ball bearing or a bulk order, we can provide competitive pricing and delivery timelines. Share your specific requirements—including quantity and destination—and our team will prepare a tailored quote. With access to a wide range of industrial bearings, we simplify your procurement process, ensuring you get the right parts when you need them.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides NTN?
A: Yes, we support procurement of bearings from all major international brands including SKF, NSK, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese brands, as well as custom specifications.
Q: How can I confirm if this 618/670 bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the NTN 618/670 specifications.
Q: What warranty coverage do you offer for this bearing?
A: We provide a warranty against manufacturing defects. The specific duration and terms are detailed in the sales contract, ensuring coverage for material and workmanship issues.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum order quantities, including single-unit purchases, to support both maintenance needs and small-scale projects.
Q: How quickly can you ship the NTN 618/670 bearing?
A: Stock items are shipped within 24 hours of order confirmation. For non-stock items, lead times vary by brand and model, with delivery estimates provided during quoting.
Q: Do you offer custom bearing solutions (OEM/ODM)?
A: Yes, we support custom bearing manufacturing according to customer-provided drawings, specifications, or sample requirements for specialized applications.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we'll get back to you with pricing and lead time.
You May Also Need
Related Products
-
SKF
Deep Groove Ball Bearing 6326-2RS P5 Precision for Industrial Machinery with Grease Lubrication
<p>Ensure smooth, precise operation for your industrial machinery with the <strong>SKF 6326-2RS P5 Grease Lubricated Bearing</strong>, a deep groove ball bearing engineered to deliver consistent performance in demanding environments. This P5 precision-rated component minimizes vibration and extends equipment lifespan, addressing the critical need for reliable, low-maintenance solutions in high-stress applications.</p><ul><li>Pre-lubricated with high-quality grease for immediate installation and reduced downtime</li><li>Single-row, non-aligning design with 0° contact angle optimizes radial load handling</li><li>Constructed from premium bearing steel for exceptional durability and wear resistance</li><li>Backed by SKF's official warranty and complete traceability, ensuring 100% genuine quality you can trust</li></ul>
View Details -
SKF
Double Rubber Sealed SKF 61804-2RS1 Deep Groove Ball Bearing 20x32x7mm for Wind Power Generation
<p>Ensure reliable wind power generation performance with the <strong>SKF 61804-2RS1</strong> deep groove ball bearing, engineered to deliver consistent operation in critical turbine applications. This 20x32x7mm double rubber sealed bearing maintains optimal lubrication and prevents contamination, reducing unplanned downtime for your equipment.</p><ul><li>Precision-manufactured in Sweden to SKF's global quality standards, ensuring 100% traceability and factory warranty</li><li>Double rubber seals (2RS1) provide superior protection against dust and moisture, extending bearing service life in harsh environments</li><li>Available for same-day shipping from our dedicated SKF inventory, supporting urgent maintenance needs</li></ul>
View Details -
SKF
Longlife Sealed SKF Deep Groove Ball Bearings 6200-6204 for Auto Applications with ZZ 2RS Seals
<p>Ensure long-lasting performance for your automotive applications with SKF deep groove ball bearings in the 6200-6204 series, designed to reduce maintenance downtime and extend equipment life. These bearings feature ZZ metal shields or 2RS rubber seals to keep contaminants out, maintaining smooth operation even in harsh under-hood conditions.</p><ul><li>Available in precision ratings from P0 to P2, ensuring optimal fit for critical automotive components</li><li>Pre-lubricated with high-quality grease for immediate installation and reliable performance</li><li>Single-row, non-aligning design handles radial loads efficiently, ideal for wheel hubs, transmissions, and auxiliary systems</li></ul><p>Backed by SKF's global quality assurance and our direct supply chain, you’ll get 100% genuine bearings with full traceability—no middlemen, just the durability your vehicles demand.</p>
View Details -
SKF
Steel Deep Groove Ball Bearings 6206-2RS 30x62x16mm for Industrial Machinery with SKF Original Packaging
<p>Ensure reliable performance in your industrial machinery with the <strong>SKF 6206-2RS</strong> deep groove ball bearing, a 30x62x16mm solution designed to minimize downtime and maintain precision under heavy loads. Crafted from high-grade bearing steel with a 2RS seal, this bearing delivers exceptional radial load capacity and contamination resistance, making it ideal for continuous operation in demanding environments like steel mills and construction equipment.</p><ul><li>Precision rating options (P0-P2) and vibration grades (Z1V1-Z3V3) ensure tailored performance for critical applications</li><li>Original SKF packaging and full traceability guarantee authenticity, backed by SKF’s global quality management system</li><li>Single-row, non-aligning design with 0° contact angle optimizes rotational efficiency for smooth machinery operation</li></ul>
View Details
Get a Fast Quote
Request a Quotation for
Deep Groove Ball Bearing 618/670 670x820x69mm NTN Bearing Steel for Industrial Machinery
Fill in your requirements and our multilingual sales team will respond within 12 hours with a competitive price, availability confirmation and delivery schedule.
- Reply within 12 hours -- 24/7 multilingual support
- Competitive factory-direct pricing with full documentation
- Small trial orders and bulk container loads both welcome