Description
Product Specifications
| Parameter | Details |
|---|---|
| Product Name | Deep Groove Ball Bearing |
| Model Number | 618, 619, 624, 637, 638 |
| Specification | 8*22*7mm |
| 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 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automobile | Engine components, transmission systems |
| Rolling Mill | Roller assemblies, conveyor systems |
| Mine | Mining equipment, material handling machinery |
| Metallurgy | Steel processing machinery, furnace equipment |
Need Reliable Deep Groove Ball Bearings for Automobile or Rolling Mill? Here’s What Matters
Selecting the right bearing for high-speed, low-noise applications like automobile transmissions or rolling mill equipment can be challenging. Many buyers face issues with mismatched dimensions, early wear from substandard materials, or long lead times when sourcing specific models. These problems not only delay production but also increase maintenance costs over time.
Engineered for Low Noise and High-Speed Performance
Our Deep Groove Ball Bearings, including models 618, 619, and 624, are designed to address these challenges. With precision ratings from P0 to P2 and vibration levels Z1V1 to Z3V3, they deliver consistent performance in high-speed environments while minimizing operational noise—critical for both automotive and rolling mill applications. Backed by a comprehensive inventory covering over 95% of conventional models, we ensure same-day shipping for in-stock items, reducing downtime for your operations.
Optimal Performance in Demanding Conditions
This bearing performs best in applications requiring both radial and axial load support, such as automobile gearboxes and rolling mill conveyor systems. Operating at high speeds with grease or oil lubrication, it maintains stability even under varying temperature conditions. The unseparated design ensures easy installation and reliable operation, making it a practical choice for industrial machinery where uptime is essential.
Key Engineering Features That Impact Performance
The precision rating directly affects rotational accuracy—higher grades like P4 and P2 are ideal for applications where minimal vibration is required, such as precision rolling mills. Vibration classes Z2V2 and Z3V3 further reduce noise, a critical factor in automotive passenger compartments. The 8*22*7mm specification ensures compatibility with standard equipment, while the ability to handle both radial and axial loads provides versatility across different machinery types. These features collectively contribute to longer bearing life and reduced maintenance needs.
Why Choosing the Right Bearing Reduces Total Cost
Investing in quality bearings like these SKF models helps avoid the hidden costs of frequent replacements. Inferior bearings often fail early due to poor material quality, leading to unplanned downtime, production losses, and additional labor for repairs. Our bearings, sourced through direct official channels, meet strict quality standards, ensuring longer service life and consistent performance. By reducing maintenance frequency and extending equipment lifespan, they lower the total cost of ownership over time.
Quality Assurance You Can Trust
We implement strict quality management processes, with all products sourced from official factories and warehouses. Each bearing undergoes thorough inspection to ensure compliance with dimensional and performance standards. We provide complete traceability documentation, including original factory certificates and batch inspection reports, giving you confidence in the authenticity and quality of your purchase. Additionally, our professional technical team is available to offer selection and installation guidance, ensuring you get the right bearing for your specific application.
Packaging & Shipping
- Transport Package: Wooden or Carton Pallet
- Package Size: 4.20cm * 4.20cm * 0.90cm
- Package Gross Weight: 0.013kg
- Delivery Options: Express, Road, Train, Air, Sea
- On-Time Delivery Rate: 100.0%
Get Your Quote for SKF Deep Groove Ball Bearings
Whether you need bearings for automobile production, rolling mills, or other industrial applications, we can help. Provide us with the model number, quantity, and delivery location, and our team will respond with pricing and availability within 0.5 hours. With rich stock and fast global delivery, we ensure you get the bearings you need when you need them.
Frequently Asked Questions
Q: Do you support procurement of other bearing brands or models?
A: Yes, we offer a full range of bearings covering both international and domestic brands. We can source specific models according to your requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment’s bearing specifications (dimensions, load requirements, speed) or existing model number, and our technical team will verify compatibility.
Q: What is your warranty policy?
A: All products come with an original factory warranty. Manufacturing defects are covered under warranty, with specific terms detailed in the purchase contract.
Q: What is the minimum order quantity?
A: We support low minimum order quantities, including small batch purchases for testing or maintenance needs.
Q: How long does shipping take?
A: In-stock items ship the same day. Delivery to most countries and regions takes 7-15 days via our global delivery network.
Q: Do you offer OEM/ODM services?
A: Yes, we provide customized packaging, label printing, and technical documentation services according to 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.







