Description
Product Specifications
| Parameter | Details |
|---|---|
| Product Name | Deep Groove Ball Bearing |
| Model NO. | 617, 618, 619, 623, 627, 637, 638 |
| Precision Rating | P0 P6 P5 P4 P2 |
| Specification | 3*6*2mm |
| Load Direction | Radial Bearings and Axial Bearings |
| Separated | Unseparated |
| Lubrication | Grease or Oil |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Origin | Japan |
| HS Code | 8482102000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automobile | Engine components, transmission systems |
| Metallurgy | Rolling Mill equipment |
| Mining | Mining machinery |
Need Reliable Deep Groove Ball Bearings for Automobile Rolling Mills? Here’s What Matters
Industrial buyers often face challenges with bearing procurement—whether it’s ensuring dimension compatibility across different equipment models, dealing with frequent maintenance needs in heavy-duty applications, or struggling to source multiple brands from a single supplier. These issues can lead to production delays and increased operational costs, especially in critical sectors like automobile manufacturing and rolling mill operations.
Engineered for Consistent Performance in Demanding Environments
The Deep Groove Ball Bearing 617-638 Series addresses these challenges with its P0-P2 precision ratings and versatile design. As a professional bearing supplier with extensive experience, we maintain rich stock covering a wide range of models, ensuring same-day shipping for spot goods. This series is particularly suited for automobile and rolling mill applications where reliable radial and axial load handling is essential, providing the stability needed for continuous production processes.
Optimal Performance in High-Stress Industrial Applications
This bearing series performs best in environments with moderate to high loads and varying operating speeds, common in automobile manufacturing lines and rolling mill machinery. Its unseparated design ensures structural integrity under dynamic conditions, while the ability to use either grease or oil lubrication allows adaptation to different temperature and contamination levels. Proper specification selection—matching precision等级 (P0-P2) to application requirements—directly impacts equipment efficiency and maintenance intervals.
Key Engineering Features That Enhance Reliability
The 617-638 Series incorporates several critical engineering details. The precision rating options (from P0 to P2) allow customization based on application needs—higher precision grades like P2 reduce vibration and noise in high-speed rolling mill operations, while P0 offers cost-effective performance for general automotive applications. The radial and axial load capability ensures versatility across different force directions, a crucial factor in multi-axis machinery. Additionally, the Z1V1 to Z3V3 vibration classes provide options for minimizing operational noise, an important consideration in factory environments.
Total Cost of Ownership: Why Quality Bearings Matter
Choosing the right bearing directly affects long-term operational costs. Inferior bearings with imprecise dimensions or substandard materials often lead to premature wear, causing unexpected downtime and replacement expenses. In contrast, the 617-638 Series, with its严格 manufacturing standards and material quality, reduces the risk of early failure. Properly selected precision grades and load capacities align with ISO 281 bearing life calculations, ensuring extended service intervals and lower total cost of ownership compared to cheaper alternatives.
Quality You Can Rely On
Our bearings undergo rigorous quality control processes, adhering to international standards. We implement strict incoming material inspections and finished product testing, including dimensional accuracy and surface hardness checks. All products come with a manufacturer’s warranty, covering manufacturing defects for peace of mind. With our extensive network, we can source and supply bearings according to specific brand or model requirements, ensuring compatibility with existing equipment. Our rich stock levels mean most standard models are available for immediate dispatch, reducing lead times.
Packaging & Shipping
- Transport Package: Wooden/Carton Pallet
- Package Size: 0.30cm * 0.60cm * 0.20cm
- Package Gross Weight: 0.020kg
- Delivery Options: Express, Road, Train, Air, Sea
- On-Time Delivery Rate: 100.0%
Get Your Quote for 617-638 Series Bearings Today
Whether you need a single sample or bulk order, we can accommodate your requirements. Provide us with the specific model, quantity, and delivery location, and our team will respond within 0.5 hours with pricing and availability. We support both standard and custom packaging options, ensuring your bearings arrive in optimal condition.
Frequently Asked Questions
Q: Do you supply bearings from other brands or models?
A: Yes, we offer a comprehensive range of bearings covering various international and domestic brands. We can source and supply according to your specified brand or model requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or the required bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the 617-638 Series specifications.
Q: What is your warranty policy for these bearings?
A: We provide a manufacturer’s warranty covering manufacturing defects. Specific warranty terms are detailed in the purchase contract, ensuring coverage for any quality issues arising from production.
Q: What is the minimum order quantity?
A: We support low minimum order quantities, including small batch and sample orders, to meet your testing and initial production needs.
Q: How long does shipping take and what options are available?
A: In-stock items ship the same day. We offer multiple delivery methods including express, air, sea, road, and train transport, with typical delivery times of 7-15 days to most countries.
Q: Do you offer OEM/ODM services?
A: Yes, we provide OEM and ODM services, including custom packaging, label printing, and technical documentation 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.







