Product Specifications
| Parameter |
Details |
| Model Designation |
3304A Tn9/C3 |
| Bearing Type |
Double Row Angular Contact Ball Bearing |
| Rows Number |
Double |
| Load Direction |
Radial |
| Material |
Bearing Steel |
| Precision Rating |
P0, P2, P4, P5, P6 |
| Cage Material |
Nylon Cage (Tn9) |
| Clearance |
C3 |
| Lubrication |
Oil Grease |
| Separated Structure |
Separated |
Application Industries
| Industry |
Typical Equipment |
| Industrial Manufacturing |
High Speed Motors, Machine Tool Spindles, CNC Equipment |
| Automotive |
Electric Vehicle Drive Systems, Auxiliary Motors |
| Home Appliances |
Air Conditioner Compressors, Washing Machine Motors |
| New Energy |
Wind Turbine Generators, Solar Equipment Motors |
Eliminate Motor Downtime with Premium 3304A Tn9/C3 Double Row Angular Contact Ball Bearing
Motor failures caused by substandard bearings cost manufacturers thousands in lost production each year. Premature wear, excessive noise, and sudden breakdowns often stem from using low-quality bearings with imprecise clearances or inferior cage materials. When your high-speed motor stops, every minute of downtime erodes profitability and delays delivery schedules.
Engineered for High-Speed Motor Reliability
Our Premium Double Row Angular Contact Ball Bearing 3304A Tn9/C3 is specifically designed to address these challenges. With over 18 years of bearing manufacturing expertise, we produce this bearing to meet P0-P4 precision grades and Z2-Z4 noise standards, ensuring stable performance in high-speed motor applications. The nylon cage (Tn9) reduces friction and heat generation, while the C3 clearance provides optimal operating conditions even at elevated temperatures.
Optimal Performance in Demanding Conditions
This Double Row Angular Contact Ball Bearing excels in high-speed rotating environments where both radial and axial loads are present. With its separated structure, it allows for easy mounting and dismounting, simplifying maintenance procedures. Whether your motor operates in continuous industrial production or variable-speed new energy equipment, this bearing delivers consistent performance with minimal vibration—critical for extending motor service life and reducing energy consumption.
Technical Advantages That Matter
The 3304A Tn9/C3 bearing incorporates key technical features that directly impact motor performance. The double row design increases radial load capacity compared to single row bearings, making it suitable for heavy-duty applications. Nylon cage material offers superior lubrication retention and lower inertia at high speeds, reducing operating temperatures by up to 15°C compared to steel cages. C3 clearance ensures proper internal spacing to accommodate thermal expansion during prolonged operation, preventing premature seizure and maintaining precision rotation.
Why Quality Bearings Reduce Total Cost
Choosing genuine high-quality bearings eliminates the hidden costs of counterfeit products. Inferior bearings may save on initial purchase price but typically fail within 30-50% of the expected service life, requiring frequent replacements and unplanned downtime. Our bearings, manufactured with high-grade chrome steel and strict quality control processes, meet ISO 9001:2015 standards and undergo comprehensive performance testing—including noise, vibration, and service life evaluations—to ensure reliability. The result is lower total cost of ownership through extended maintenance intervals and reduced production interruptions.
Your Trusted Bearing Partner Since 2005
Jinan Saifan Bearing Co., Ltd has supplied bearings to over 50 countries since 2005, serving industrial manufacturers, automotive parts producers, and new energy equipment makers worldwide. Our in-house laboratory conducts rigorous dimensional and performance testing on every production batch, while our technical team provides free guidance on bearing selection and installation. We offer a 12-month warranty on all our products, with free replacement for qualified defective items. With flexible order policies (1 piece MOQ for standard bearings) and efficient delivery (3-5 working days for samples), we ensure you get the right bearings when you need them.
Packaging & Shipping
- Secure carton packaging with pallet reinforcement for bulk orders
- Sample orders shipped in 3-5 working days; bulk orders in 5-15 working days
- Multiple logistics options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking number provided upon shipment
- 1 piece minimum order quantity available for emergency replacements
Get Your Motor Back to Peak Performance
Don’t let bearing issues slow down your production. The 3304A Tn9/C3 Double Row Angular Contact Ball Bearing is in stock and ready to ship. Send us your motor specifications and required quantity today, and our technical team will confirm compatibility to ensure optimal performance.
Frequently Asked Questions
Q: Is this a genuine original bearing?
A: Yes, our bearings are manufactured in-house under strict ISO 9001:2015 quality control standards. Each product comes with full traceability documentation.
Q: How do I confirm if this bearing fits my motor?
A: Provide your motor model, operating speed, and load conditions. Our technical team will verify compatibility and recommend the appropriate bearing configuration.
Q: What is the warranty period?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund options.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ, supporting both small repairs and large production orders.
Q: How long does shipping take?
A: Sample orders ship within 3-5 working days; bulk orders take 5-15 working days. Express delivery options are available for urgent needs.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
