Product Specifications
| Parameter |
Details |
| Model NO. |
Double Row Angular Contact Ball Bearing |
| Separated |
Separated |
| Rows Number |
Double |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Precision Rating |
P0 P2 P4 P5 P6 |
| Type |
Ball |
| Structure |
Angular Contact |
| Cage |
Steel Cage.Copper Cage.Nylon Cage |
| Lubrication |
Oil Grease |
| Transport Package |
Carton Pallet |
| Specification |
As Your Request |
| Origin |
Jiangsu China |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
CNC Machine Spindles, Machine Tools, Precision Machining Centers |
Reduce CNC Spindle Downtime with High Rigidity 3219-a Angular Contact Ball Bearing
CNC machine operators know the frustration of unexpected spindle failures—costing hours of production time and thousands in repairs. Many face the challenge of sourcing bearings that balance high rigidity with precision, especially when dealing with custom specifications or tight delivery deadlines. Generic bearings often fail to meet the demands of continuous high-speed operation, leading to premature wear and compromised machining accuracy.
Engineered for CNC Spindle Performance: 3219-a Double Row Angular Contact Bearing
Our High Rigidity Double Row Angular Contact Ball Bearing 3219-a is designed to address these pain points. As a professional bearing manufacturer with decades of export experience, we produce this bearing to P0-P4 precision grades and Z2-Z4 noise grades, ensuring it meets the strict requirements of CNC machine spindles. The double row angular contact structure provides enhanced radial and axial load capacity, making it ideal for high-speed rotation and heavy-duty machining applications.
Optimal Performance in CNC Machining Environments
This 3219-a bearing excels in the demanding conditions of CNC machine spindles, where it operates under high rotational speeds and combined radial-axial loads. Its separated design allows for easy mounting and dismounting, simplifying maintenance and reducing downtime during repairs. The high rigidity construction minimizes deflection under load, ensuring consistent machining precision even during extended production runs.
Technical Features That Enhance Spindle Reliability
The 3219-a bearing incorporates several key technical features that directly impact CNC spindle performance. The precision rating options (P0-P6) allow customization based on application requirements—P4 grade, for example, ensures minimal runout and vibration, critical for achieving tight tolerances in precision machining. The cage material options (steel, copper, nylon) offer flexibility: steel cages provide durability for heavy loads, while nylon cages reduce friction and noise at high speeds. Lubrication with high-quality oil or grease ensures smooth operation and extends service life by minimizing wear between rolling elements and raceways.
Why Compromising on Bearing Quality Costs More in the Long Run
Choosing substandard bearings for CNC spindles may seem like a cost-saving measure initially, but the hidden costs quickly add up. Poorly manufactured bearings often fail prematurely, leading to unplanned production stops, expensive spindle repairs, and potential damage to workpieces. Our High Rigidity Angular Contact Ball Bearing, produced with high-grade chrome steel and strict quality control, meets ISO international standards, ensuring reliable performance and reducing the total cost of ownership. Each bearing undergoes comprehensive testing, including dimensional checks and noise/vibration analysis, to guarantee consistent quality.
Our Commitment to Reliable Bearing Solutions
With over 15 years of experience in bearing manufacturing and export, we serve customers across Europe, North America, Southeast Asia, and the Middle East. Our factory is equipped with advanced precision processing equipment and automated production lines, supported by a professional R&D team and experienced QC staff. We hold ISO 9001:2015 and ISO 14001 certifications, and our strict quality control process includes incoming raw material inspection, full-process production supervision, and finished product testing. For distributors and wholesalers, we offer free samples (freight borne by the customer) and flexible order policies, including a 1-piece MOQ for standard bearings and 3-5 working day delivery for sample orders.
Packaging & Shipping
- Carton pallet packaging for secure transportation
- 3-5 working days for sample orders, 5-15 working days for bulk orders
- Multiple logistics options available to meet your delivery requirements
- Real-time logistics tracking provided for all shipments
- 1 piece MOQ for standard bearings, customized order quantity negotiable
Get Your 3219-a CNC Spindle Bearing Today
Don’t let spindle downtime disrupt your production schedule. Contact us with your bearing specifications, application details, and quantity requirements to receive a prompt quote. Our technical team can also assist with bearing selection and customization to ensure optimal performance for your CNC machine. With our efficient production and delivery process, you can minimize downtime and get back to machining with confidence.
Frequently Asked Questions
Q: Is this bearing suitable for high-speed CNC spindles?
A: Yes, the 3219-a Double Row Angular Contact Ball Bearing is designed for high-speed operation, with precision grades up to P4 and noise grades up to Z4, making it ideal for CNC spindle applications.
Q: Can I get a sample before placing a bulk order?
A: Yes, we provide free samples for distributors and wholesalers (customers undertake freight cost). Sample orders have no MOQ and can be delivered within 3-5 working days.
Q: What precision grades are available for this bearing?
A: This bearing is available in P0, P2, P4, P5, and P6 precision grades, allowing you to select the appropriate level based on your application requirements.
Q: What is the warranty period for this bearing?
A: We offer an official 12-month warranty valid from the date customers receive the goods. Qualified defective products are eligible for free replacement or refund.
Q: How do I confirm if this bearing is compatible with my CNC machine?
A: Our professional technical team can provide free guidance on bearing selection. Please provide your machine model, spindle specifications, and operating conditions, and we will help confirm compatibility.
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