Sep 19, 2026 · Applications & Industries
Genuine Ball Bearings for Printers & Copiers Wholesale Supplier
Prevent high-speed reson…
Read the selection guideSKF bearings by designation · Itemized written quotes for mixed project lists




State the exact execution (designation suffix), whether you need the complete assembly, and which housings or mounting accessories belong on the same line. Keep precision items separate, with accuracy class and arrangement.
Technical data
Listed data for this SKF designation; confirm the execution and dimensions against your drawing or application before ordering.
| Category | Deep Groove Ball Bearing |
|---|
| Parameter | Details |
|---|---|
| Product Name | Deep Groove Ball Bearing |
| Model Number | 617, 618, 619, 623, 627, 637, 638 |
| Specification | 3*6*2mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Load Direction | Radial Bearings and Axial Bearings |
| Separated | Unseparated |
| Lubrication | Grease or Oil |
| Trademark | SKF |
| Origin | Japan |
| HS Code | 8482102000 |
| Stock | Rich Stock |
| Sample | Available |
| Industry | Typical Applications |
|---|---|
| Automotive | Automobile rolling systems |
| Metallurgy | Rolling mill equipment |
| Mining | Mining machinery components |
Selecting the right deep groove ball bearing for high-precision applications like automobile rolling mills often means balancing noise control, load capacity, and durability. Many buyers face issues with inferior bearings that fail prematurely due to poor precision or inadequate vibration resistance, leading to costly production downtime and maintenance interruptions.
The SKF Deep Groove Ball Bearing 617-638 Series addresses these challenges with precision manufacturing and quality materials. With precision ratings from P0 to P2 and vibration levels Z1V1 to Z3V3, these bearings provide the low noise operation critical for automotive manufacturing environments. Our global supply chain ensures access to a wide range of models, with rich stock supporting quick fulfillment for urgent requirements.
Designed to handle both radial and axial loads, this bearing series excels in automobile rolling mills, mining equipment, and metallurgical machinery. The unseparated design ensures structural integrity under dynamic forces, while grease or oil lubrication options allow adaptation to specific operating conditions. Whether used in continuous production lines or heavy-duty mining operations, proper specification of precision class and vibration level directly impacts equipment reliability.
The 617-638 Series incorporates critical design elements that contribute to its performance. The precision rating (P0-P2) determines dimensional accuracy—higher grades like P4 and P2 reduce clearance variations, minimizing vibration and noise in high-speed applications. Vibration classes Z1V1 to Z3V3 indicate progressively stricter noise and vibration control, with Z3V3 ideal for noise-sensitive automotive manufacturing. The 3*6*2mm baseline specification provides a compact footprint suitable for space-constrained assemblies, while the ability to handle combined radial and axial loads increases application versatility.
Choosing a low-quality deep groove ball bearing may seem cost-effective initially, but the hidden costs of early failure—unplanned downtime, replacement labor, and potential damage to adjacent components—quickly outweigh savings. The 617-638 Series, with its robust construction and precision engineering, reduces these risks by delivering longer service life and consistent performance. Proper bearing selection, based on load direction, speed, and environmental conditions, directly impacts equipment uptime and maintenance costs, making quality a critical investment in production efficiency.
Our bearings undergo rigorous quality control processes aligned with industry standards, ensuring dimensional accuracy and material integrity. We maintain comprehensive stock availability, supporting same-day shipping for urgent orders. All products come with necessary documentation, and we offer OEM/ODM services to meet specific application requirements. Our responsive technical team provides选型 guidance to ensure optimal bearing selection for your equipment.
Whether you need a single sample or bulk order, we can fulfill your requirements with competitive pricing and reliable delivery. Provide your specific model, quantity, and destination details, and our team will promptly prepare a tailored quote to meet your timeline.
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we offer a comprehensive range of bearings including international brands and domestic quality options, supporting procurement according to customer-specified brands or models.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model, required dimensions (d x D x B), and operating conditions. Our technical team will verify compatibility with the 617-638 Series specifications.
Q: What is your warranty policy for these bearings?
A: We provide warranty coverage against manufacturing defects. Specific terms and duration are detailed in the sales contract, ensuring customer protection for quality-related issues.
Q: What is the minimum order quantity for the 617-638 Series?
A: We support low minimum order quantities, including small-batch purchases, to accommodate both trial needs and large-scale production requirements.
Q: How quickly can you ship after order confirmation?
A: For in-stock models, we offer same-day shipping. Delivery time varies by destination, with door-to-door service typically arriving within 7-15 days for most countries.
Q: Do you provide OEM/ODM customization services?
A: Yes, we offer OEM/ODM services including customized packaging, label printing, and technical documentation to meet specific customer 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.
Project buyers
"We submitted a long SKF list for a new project, mixing ball, roller, needle and thrust bearings. This supplier came back with itemized pricing, lead times and alternatives for two long-lead references. We could plan the procurement timeline without surprises."
Daniel KimKim Engineering Project · South Korea"When our project timeline shifted and we needed to split the delivery into three batches, the supplier worked with us on the schedule. Each batch arrived complete and on the agreed date. No holding costs, no rush shipping fees."
Mohammed Al-AminAl-Amin Contracting · Saudi ArabiaSame series
Comparable designations from the same category, ready to add to one itemized quote.
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Deep Groove Ball Bearing Deep Groove Ball Bearing 618 619 624 for Automobile Rolling Mill with Low Noise High Speed Where it runs
Typical equipment and duty conditions this SKF bearing type is specified for.
Standard and precision lines listed separately, each with model, stock, lead time and validity — so your comparison is line by line, not guesswork.
Selection guides
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Read the selection guideFAQ
Send the selected SKF model, quantity per line, accuracy requirement, mounting accessories, destination country and postcode, and the date you need the goods. Confirm the exact execution and whether you need the complete assembly. With that, Project Purchasing Company returns a written itemized quote.
List precision bearings on separate lines with their accuracy class and arrangement or configuration. Keeping them apart from standard bearings prevents wrong pricing and wrong shipments on mixed project lists.
Yes. Send a photo of the nameplate or bearing markings, and we list the information that still needs confirming. Any technical change or alternative model is clearly marked and requires your approval.
Yes. Shipping method and delivery schedule are confirmed before dispatch, so batches can follow your installation timeline. On receipt, check labels, quantity and condition; any mismatch is handled with your order number and photos.
Request a quote
Project Purchasing Company quotes every line by SKF model, with price and currency, stock, estimated lead time, validity and freight or tax terms. Add related bearings and accessories to the same request.