"When a critical piece of rotating equipment failed, we needed a mixed SKF list urgently. The supplier consolidated the order, shipped same-day, and the parts were on our plant floor in two days. The equipment was back online before the end of the shift."




Buying for several machines? Add this model to one inquiry with the other SKF bearings, housings and accessories on your list. Each line keeps its own designation, quantity and specification.
Send Your Full ListAbout this SKF bearing
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 618/670 |
| Bearing Type | Deep Groove Ball Bearing |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Bore Diameter (d) | 670 mm |
| Outside Diameter (D) | 820 mm |
| Width (B) | 69 mm |
| Origin | Germany Sweden Japan |
| HS Code | 8482102000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Heavy-duty gearboxes, large-scale conveyors, industrial pumps |
| Steel Mills | Rolling mill equipment, continuous casting machines |
| Mining Equipment | Crushers, excavator main shafts |
Need a Reliable NTN 618/670 Deep Groove Ball Bearing for Industrial Machinery?
Selecting the right bearing for industrial machinery often means balancing precision, durability, and availability. Many buyers struggle with mismatched dimensions causing installation delays, or low-quality bearings failing prematurely under heavy loads. Sourcing from multiple suppliers for different brands only adds complexity to procurement.
Built for Consistent Performance in Demanding Industrial Environments
The NTN 618/670 Deep Groove Ball Bearing addresses these challenges with its robust bearing steel construction and precise 670x820x69mm dimensions. As a supplier with access to a comprehensive range of international brands, we ensure you get the exact specifications you need without compromising on authenticity. This bearing is designed to handle radial loads in industrial machinery, providing reliable operation in applications like steel mill equipment and mining crushers.
Optimized for High-Load Industrial Applications
This deep groove ball bearing excels in heavy-duty industrial settings where consistent radial load capacity is critical. With a single row design and 0° contact angle, it performs best in low-to-moderate speed applications requiring minimal axial movement. The bearing steel material ensures resistance to wear and deformation, making it suitable for continuous operation in environments with moderate temperature fluctuations and standard industrial contaminants.
Key Engineering Features for Reliable Operation
The 618/670 bearing’s dimensions—670mm inner diameter, 820mm outer diameter, and 69mm width—are precision-machined to meet international standards, ensuring interchangeability with components from major manufacturers. The bearing steel composition provides optimal hardness and tensile strength, essential for withstanding the cyclic stresses of industrial machinery. Its single-row configuration minimizes friction while maintaining structural integrity, and the 0° contact angle optimizes radial load distribution across the raceways.
Why Choosing the Right Bearing Reduces Total Cost
Investing in a quality deep groove ball bearing like the NTN 618/670 helps avoid the hidden costs of premature failure. Inferior bearings often show early signs of wear, leading to equipment downtime, costly repairs, and potential damage to adjacent components. This bearing’s robust construction aligns with ISO 281 fatigue life standards, reducing the need for frequent replacements. By selecting the correct规格 upfront, you lower long-term maintenance expenses and improve overall equipment reliability.
Quality You Can Trust in Every Shipment
Our supply chain follows strict quality control protocols, including material verification and dimensional inspections to ensure each bearing meets specified tolerances. We provide comprehensive documentation, including batch traceability and compliance certificates, to support your quality assurance processes. With a large inventory of conventional models, we offer same-day shipping for in-stock items, ensuring you receive your NTN 618/670 bearing when you need it.
Packaging & Shipping
- Standard industrial packaging to protect against damage during transit
- Same-day shipping available for in-stock items
- Flexible delivery options including express courier, air freight, and sea freight
- Low minimum order quantity to support both small-scale maintenance and large production runs
Get a Quote for Your NTN 618/670 Bearing Requirement
Whether you need a single unit for maintenance or bulk quantities for production, we can provide competitive pricing and reliable delivery. Simply share the bearing model, required quantity, and destination, and our team will respond promptly with a detailed quote. We handle all international logistics, ensuring your order arrives on schedule.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides NTN?
A: Yes, we offer a complete range of bearings from international brands including SKF, NSK, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese brands. We can source any specified brand or model according to your requirements.
Q: How can I confirm if the 618/670 bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (inner diameter x outer diameter x width), and our technical team will verify compatibility with the NTN 618/670 specifications.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. The warranty period and terms are specified in each order confirmation, and defective products can be replaced or refunded according to the agreement.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single-unit purchases, to accommodate both maintenance needs and small-scale projects.
Q: How long does shipping take to international destinations?
A: In-stock items ship the same day. Delivery times vary by location: 3-5 days for express courier, 7-10 days for air freight, and 30-45 days for sea freight to most countries.
Q: Can you provide custom bearing solutions?
A: Yes, we support OEM/ODM services for custom bearings. Provide your technical drawings or specifications, and we can manufacture bearings to your exact requirements.
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.
One SKF inquiry. Every line accounted for.
Electrical Equipment is an Authorized SKF Distributor that turns mixed equipment lists into itemised, comparable quotes and consolidated supply for industrial plants, maintenance contractors and distributors worldwide.
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Broad SKF range in one purchase
Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.
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Mixed equipment lists
One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.
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Standard and precision flagged
Routine replacement bearings and special-specification models are labelled separately on your quote.
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No unapproved substitutes
Identification gaps are closed before quoting; any alternative is listed separately for your approval.
Related SKF bearings
These SKF models share the category of Deep Groove Ball Bearing 618/670 670x820x69mm NTN Bearing Steel for Industrial Machinery and can be quoted on the same inquiry.
01 Deep Groove Ball Bearing 6208 40x80x18mm for High Speed Industrial Machinery Low Noise
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02 Deep Groove Ball Bearing SKF 6002-2RS P5 15x32x9mm for High-Precision Industrial Machinery
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03 High-Speed SKF 6200 Ball Bearings 10x53x11mm for Motors and Water Pumps
View details
04 Deep Groove Ball Bearing 6004-2RS 20x42x12mm SKF P0-P2 for Industrial Machinery Lubrication Grease or Oil
View detailsWhere this bearing is used
Deep Groove Ball Bearing 618/670 670x820x69mm NTN Bearing Steel for Industrial Machinery is specified in the applications below. Open an application to see the matching SKF bearing categories.
Trusted by plants and maintenance teams
Industrial buyers in the USA, Mexico, Oman, France, New Zealand and Brazil source genuine SKF bearings and mixed lists through Electrical Equipment.
"We had a bad experience with counterfeit SKF bearings from another supplier. The bearings from skfus.com are genuine, traceable, and the packaging matches SKF's current format. Our reliability team verified the first batch and we now use them as our primary source."
"The SKF mounted units and insert bearings we ordered for a conveyor upgrade were supplied with the correct housing and locking arrangement. Our maintenance team installed them without modification. No noise, no leaks, no call-backs."
Technical articles for this bearing type
These guides cover selection, identification and replacement points relevant to Deep Groove Ball Bearing 618/670 670x820x69mm NTN Bearing Steel for Industrial Machinery.
SKF Bearings for Hawaii Sugar & Pineapple Machinery | Wholesale Supplier
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Read the guideQuestions about ordering this SKF bearing
Short answers on identification, mixed orders, quote terms and substitutions at Electrical Equipment.
What if my SKF designation is incomplete?
Send a clear photo of the bearing markings and note which details still need confirming. We close identification gaps, including the exact specification and complete assembly, before you accept a quote. Nothing is substituted to fill a gap.
Can I quote this bearing together with other SKF categories?
Yes. Standard, precision and mounted units can sit in one itemised inquiry, with each line keeping its own designation, quantity and specification. Housings and mounting accessories are added when they are part of your supply scope.
What does the written quote include?
Each quote lists the designation, quantity, price and currency, stock availability, estimated lead time and quote validity. Applicable freight or tax terms are stated, and the product documents available for your order are confirmed.
How are substitutions confirmed?
Only with your approval. Any alternative is marked separately on the quote, and every technical change needs sign-off from the buyer before an order is placed.
Get a written quote for Deep Groove Ball Bearing 618/670 670x820x69mm NTN Bearing Steel for Industrial Machinery
Send this model alone or with your full SKF list. We verify the identification details on every line first, then issue an itemised written quote with lead time and validity.