Product Specifications
| Parameter |
Details |
| Model NO. |
Double Row Angular Contact Ball Bearing |
| Separated |
Separated |
| Rows Number |
Double |
| Material |
Bearing Steel |
| Standard |
DIN 628-3, ISO 15:2017 |
| Series |
32 Series, 33 Series (32bd, 33bd, 32da, 33da) |
| Cage |
Polyamide (Tvh), Sheet Steel, Brass (MP) Cage |
| Seal Type |
Open, 2z, 2hrs |
| Precision |
P0 /P6 /P5 |
| Transport Package |
Carton Pallet |
| HS Code |
8482800000 |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
Machine Tool Spindles, CNC Machines, Precision Machining Centers |
| Industrial Machinery |
Grinders, Lathes, Milling Machines |
Prevent Spindle Failures with High Precision 3308 Angular Contact Ball Bearing
Machine tool operators know the cost of spindle downtime—missed deadlines, production losses, and expensive repairs. Many face premature bearing failure due to low-quality materials or imprecise manufacturing, especially in high-speed machining applications. Sourcing reliable bearings with the right precision grade and material can mean the difference between consistent performance and unexpected shutdowns.
3308 Double Row Angular Contact Ball Bearing for Machine Tool Spindles
Our Double Row Angular Contact Ball Bearing 3308 Da Ma Gcr15 addresses these challenges with engineering tailored for machine tool spindles. Built to DIN 628-3 and ISO 15:2017 standards, this bearing combines high-quality Gcr15 bearing steel with precision grades up to P5, ensuring stable rotation even under the demands of high-speed cutting operations. Whether you need standard dimensions or custom specifications, our one-stop service covers production, quality control, and global delivery to keep your machinery running.
Optimal Performance in High-Speed Machining Conditions
This bearing excels in machine tool spindles where radial and axial loads act simultaneously, providing rigidity and accuracy critical for precision machining. The double row design increases load capacity, while options for polyamide, sheet steel, or brass cages accommodate different speed requirements—polyamide cages reduce friction at higher speeds, while brass cages offer durability in heavy-duty applications. With open, 2z, or 2hrs seal types, it adapts to both lubricated and contamination-controlled environments, ensuring reliable performance in diverse workshop conditions.
Key Technical Features That Ensure Spindle Accuracy
Precision is non-negotiable for machine tool spindles, and our 3308 Angular Contact Ball Bearing delivers on multiple fronts. The P5 precision grade minimizes runout and vibration, directly translating to better surface finishes on machined parts. Gcr15 bearing steel provides high hardness and wear resistance, extending bearing life under continuous operation. The separated design allows for easy mounting and adjustment, simplifying maintenance and reducing downtime during bearing replacement. Additionally, compliance with international standards ensures compatibility with most spindle designs, eliminating fitment issues.
Why Compromising on Bearing Quality Costs More in the Long Run
Choosing low-cost, uncertified bearings may seem economical initially, but the hidden costs add up. Poorly manufactured bearings often fail prematurely, leading to spindle damage, production delays, and expensive repairs. In contrast, our bearings undergo strict incoming material inspection and full-process production supervision, with in-house laboratory testing for dimensional accuracy, noise, and vibration. All products meet ISO industrial standards, backed by our ISO 9001:2015 Quality Management System certification. Investing in quality bearings reduces total cost of ownership by minimizing downtime and extending maintenance intervals.
Your Trusted Partner for Machine Tool Bearings
With over 18 years of bearing manufacturing and export experience, Jinan Saifan Bearing Co., Ltd combines technical expertise with reliable service. We serve customers across Europe, North America, Southeast Asia, and the Middle East, offering OEM/ODM customization to meet specific spindle requirements. Our flexible order policy allows for 1-piece MOQ on standard bearings, with sample orders shipped in 3-5 working days and bulk orders in 5-15 days. Every bearing comes with a 12-month warranty, and our technical team provides free guidance on selection, installation, and maintenance to ensure optimal performance.
Packaging & Shipping
- Carton pallet packaging for secure transport
- Sample orders delivered in 3-5 working days
- Bulk orders shipped within 5-15 working days
- Multiple logistics options including express, air, and sea freight
- 1 piece MOQ for standard bearings, supporting emergency repairs
Get Your 3308 Angular Contact Ball Bearing Today
Don’t let spindle downtime disrupt your production schedule. Send us your bearing requirements, including quantity and application details, and our team will provide a tailored quote within 24 hours. With our commitment to quality and efficient delivery, you can keep your machine tools running with confidence.
Frequently Asked Questions
Q: Is this bearing suitable for high-speed machine tool spindles?
A: Yes, the 3308 Double Row Angular Contact Ball Bearing is designed for high-speed applications, with precision grades up to P5 and cage options (polyamide, sheet steel, brass) to optimize performance at varying speeds.
Q: How can I confirm if this bearing fits my spindle?
A: Provide your spindle model or technical specifications (bore diameter, outer diameter, width, load requirements), and our technical team will verify compatibility and offer free选型 support.
Q: What is the warranty period for this bearing?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund for qualified issues.
Q: What is the minimum order quantity?
A: Standard bearings have a 1-piece MOQ, supporting small batches and emergency repair needs. Customized orders have negotiable quantities.
Q: How long does shipping take for bulk orders?
A: Bulk orders typically ship within 5-15 working days, with logistics options (express, air, sea) to meet your delivery timeline.
Q: Are your bearings certified to international standards?
A: Yes, all products meet ISO, ABMA, and DIN industrial standards, and we hold ISO 9001:2015 and ISO 14001 certifications for quality and environmental management.
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