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 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
Machine Tool Spindles, CNC Machines, Precision Machining Centers |
| Industrial Machinery |
Textile Machinery, Printing Equipment, Reducers |
Stop Spindle Downtime — High Precision 3312 A/C3 Double Row Angular Contact Ball Bearing for Machine Tools
Machine tool operators know the cost of spindle failure: unplanned downtime, missed deadlines, and costly repairs. When angular contact bearings lack precision, spindle vibration increases, tool wear accelerates, and part quality suffers. Sourcing reliable high-precision bearings often means navigating minimum order quantities that don’t fit maintenance needs or long lead times that extend downtime.
Engineered for Machine Tool Spindles: 3312 A/C3 Double Row Angular Contact Ball Bearing
Our 3312 A/C3 Double Row Angular Contact Ball Bearing is designed to solve these challenges. With precision ratings from P0 to P4 and C3 clearance, it delivers the stability and accuracy required for high-speed machine tool spindles. As a professional bearing manufacturer with decades of export experience, we offer flexible order policies—including 1 piece MOQ for standard bearings—to support both emergency repairs and bulk production needs. Our automated production lines and strict quality control ensure consistent performance, reducing the risk of premature failure.
Optimal Performance in High-Speed Machining Conditions
This double row angular contact ball bearing excels in machine tool spindles operating under combined radial and axial loads. Its angular contact design enables it to handle thrust in both directions, making it ideal for high-speed rotation where precision and rigidity are critical. Whether cutting hard metals or producing fine components, the bearing’s stable performance minimizes vibration, ensuring superior surface finishes and extended tool life. The C3 clearance grade provides thermal expansion allowance, preventing seizure during prolonged operation at elevated temperatures.
Technical Details That Maximize Spindle Reliability
The 3312 A/C3 bearing’s performance is defined by key engineering features. Its double row structure increases radial load capacity compared to single row designs, while the angular contact geometry optimizes axial load handling—essential for spindle applications with frequent start-stop cycles. Available with steel, copper, or nylon cages, the bearing can be tailored to specific speed requirements: steel cages offer durability at high temperatures, while nylon cages reduce noise and friction in precision applications. The use of high-grade bearing steel ensures wear resistance, contributing to a longer service life even under continuous operation. Precision ratings up to P4 guarantee tight dimensional tolerances, critical for maintaining spindle runout within microns.
Why Compromising on Bearing Quality Costs More in the Long Run
Choosing low-quality bearings for machine tool spindles may save upfront costs, but the hidden expenses are significant. Inferior materials lead to early fatigue, resulting in unexpected spindle failures that halt production. Poor precision causes vibration, reducing machining accuracy and increasing scrap rates. In contrast, our 3312 A/C3 bearing meets ISO international standards, backed by a 12-month warranty. Each unit undergoes strict incoming material inspection and full-process production supervision, ensuring consistent quality. By investing in reliable bearings, you reduce maintenance costs, extend equipment lifespan, and protect your production schedule—lowering total cost of ownership over time.
Our Commitment to Reliable Bearing Solutions
With over 18 years of manufacturing and export experience, Jinan Saifan Bearing Co., Ltd. has built a reputation for quality and service. Our factory is equipped with advanced precision processing equipment and an in-house laboratory for dimensional detection, noise testing, and service life experiments. We hold ISO 9001:2015 Quality Management System and ISO 14001 Environmental Management System certifications, ensuring compliance with global standards. Our professional technical team provides free guidance on bearing selection, installation, and maintenance, offering remote troubleshooting support to minimize downtime. We serve customers across Europe, North America, Southeast Asia, and the Middle East, with efficient delivery times—3-5 working days for sample orders and 5-15 working days for bulk orders.
Packaging & Shipping
- Protective carton packaging with pallet reinforcement for secure transport
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Flexible logistics options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided for all shipments
- 1 piece MOQ for standard bearings, supporting emergency maintenance and small-batch purchases
Get Your 3312 A/C3 Bearing Today
Don’t let spindle downtime impact your production. Whether you need a single replacement bearing or a bulk order, we’re ready to fulfill your request. Send us your bearing designation, application details, and quantity, and our team will respond within 24 hours with a quotation. With our reliable supply and technical support, you can keep your machine tools running at peak performance.
Frequently Asked Questions
Q: Is this bearing a genuine original product?
A: We are a professional bearing manufacturer with our own production facilities. All products are manufactured in-house under strict quality control, complying with ISO standards. For brand bearings like NSK and INA, we supply genuine original products through authorized channels.
Q: How can I confirm if the 3312 A/C3 bearing fits my machine tool spindle?
A: Provide your machine tool model, spindle specifications, or operating conditions (load, speed, temperature), and our technical team will verify compatibility and recommend the optimal bearing solution.
Q: What is the warranty policy for this bearing?
A: We offer a 12-month warranty from the date of delivery. Qualified defective products due to manufacturing issues will be replaced free of charge or refunded.
Q: What is the minimum order quantity for the 3312 A/C3 bearing?
A: The minimum order quantity for standard bearings is 1 piece, supporting both emergency repairs and small-batch purchases.
Q: How long does shipping take, and what logistics options are available?
A: Sample orders are shipped within 3-5 working days, bulk orders within 5-15 working days. We offer DHL, FedEx, UPS, air freight, and sea freight based on your location and urgency.
Q: How can I ensure the bearing I receive is of high quality?
A: All bearings undergo strict quality control, including dimensional inspection and performance testing. We provide test reports upon request, and our ISO 9001 certification ensures consistent quality
Tags:
3312 A/C3 Angular Contact Bearing
3312 A/C3 Bearing
Angular Contact Bearing
Double Row Ball Bearing for Spindle
Double-Row Angular Contact Ball Bearing
High Precision Angular Contact Ball Bearing
High Precision Bearing for Machine Tool Spindle
Machine Tool Spindle Bearing
