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 |
| Trademark |
SKF |
| Origin |
Jiangsu China |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Manufacturing |
Gearboxes, Machine Tools, Reducers |
| Automotive |
Transmission Systems, Drivetrains |
| Agricultural Machinery |
Tractors, Harvesters |
| New Energy |
Wind Turbines, Solar Equipment |
Prevent Gearbox Failures with 3307A-2Z/C3 Double Row Angular Contact Ball Bearing
Gearbox downtime caused by bearing failure leads to production losses averaging $2,000 per hour for manufacturing plants. Many buyers face challenges with inconsistent quality from uncertified suppliers, while others struggle with high minimum order quantities that delay urgent repairs. Selecting the wrong bearing clearance or precision grade can reduce gearbox service life by 40% and increase energy consumption.
Shielded Design for Reliable Gearbox Performance
The 3307A-2Z/C3 Double Row Angular Contact Ball Bearing addresses these issues with its shielded construction (2Z) that prevents contamination in harsh industrial environments. As a professional bearing manufacturer with ISO 9001:2015 certification, we ensure each unit meets Z2-Z3-Z4 noise grade standards, making it ideal for gearboxes in automotive transmission systems and industrial machinery. Our flexible order policy allows 1-piece MOQ for standard bearings, supporting both emergency repairs and bulk production needs.
Engineered for High-Torque Gearbox Applications
This bearing operates efficiently under combined radial and axial loads, common in gearbox environments with high torque and variable speeds. The C3 clearance grade provides optimal thermal expansion compensation during continuous operation, reducing premature failure risks. With a double row angular contact design, it delivers enhanced rigidity and load-carrying capacity compared to single row alternatives, ensuring stable performance in heavy-duty equipment like agricultural tractors and construction machinery reducers.
Key Technical Features That Matter
The bearing’s precision rating options (P0-P4) cater to different application requirements—P4 grade for high-speed gearboxes requiring minimal vibration, and P0 for general industrial use. Its steel, copper, or nylon cage options allow customization: steel cages excel in high-temperature environments up to 120°C, while nylon cages reduce noise in low-speed applications. The separated structure facilitates easy installation and maintenance, a critical advantage for gearbox assemblies where downtime must be minimized. Dynamic load ratings are optimized through high-grade chrome steel construction, ensuring long service life even under cyclic loading conditions.
Why Quality Bearings Reduce Total Costs
Counterfeit bearings often fail within 3-6 months, leading to repeated replacement cycles and unplanned downtime. Genuine 3307A-2Z/C3 bearings from our ISO 14001 certified production line offer 12-month warranty coverage, with failure analysis support for root cause identification. While initial costs may be higher than low-quality alternatives, the extended service life (typically 2-3 times longer) and reduced maintenance requirements result in 58% lower total cost of ownership over 5 years. All products meet ISO, ABMA, and DIN international standards, ensuring compatibility with global equipment specifications.
Our Commitment to Reliable Supply
With over 18 years of bearing manufacturing experience, we serve customers in Europe, North America, Southeast Asia, and the Middle East. Our in-house laboratory conducts dimensional detection, noise & vibration tests, and service life experiments to guarantee consistent quality. We maintain a large inventory of standard bearings, enabling 3-5 working day delivery for sample orders and 5-15 days for bulk shipments. Our technical team provides free guidance on bearing selection, installation, and lubrication, with remote troubleshooting support to minimize equipment downtime. As a high-tech enterprise, we invest 8% of annual revenue in R&D to improve bearing performance and material durability.
Packaging & Shipping
- Carton pallet packaging with moisture-proof wrapping to ensure product integrity during transit
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Multiple logistics options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking number provided upon shipment for full supply chain visibility
- 1 piece MOQ for standard bearings, supporting emergency repair needs
Secure Your Gearbox Performance Today
Delayed bearing replacement increases the risk of secondary gearbox damage. Send us your gearbox model, operating speed, and load requirements to confirm 3307A-2Z/C3 compatibility. Our team will provide a detailed quotation within 24 hours, ensuring you get the right bearing before downtime impacts your production schedule.
Frequently Asked Questions
Q: Is this bearing a genuine original product?
A: We supply genuine original brand bearings, including NSK and INA, with full traceability documentation available upon request.
Q: How do I confirm if this bearing fits my gearbox?
A: Provide your gearbox model, shaft diameter, and operating conditions (speed, load, temperature), and our technical team will verify compatibility free of charge.
Q: What is your warranty policy for this bearing?
A: All bearings come with 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 for this bearing?
A: Standard bearings have a 1-piece MOQ, allowing for emergency repairs or small-batch testing before bulk orders.
Q: How long does shipping take to Europe/North America?
A: Sample orders to major European and North American cities typically arrive in 5-7 days via express courier; bulk orders take 10-15 days by air freight.
Q: How can I verify the bearing’s authenticity upon receipt?
A: Each bearing includes original packaging with brand-specific markings and serial numbers. We provide certification documents for traceability to the production batch.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
