Double Row Angular Contact Ball Bearing 3312 A/C3 High Precision for Machine Tool Spindle
<p>Ensure your machine tool spindle operates with exceptional precision and reliability using the <strong>Double Row Angular Contact Ball Bearing 3312 A/C3</strong>, designed to deliver consistent performance even under high radial and axial loads. SKF's C3 clearance ensures optimal thermal expansion management, a critical factor for maintaining spindle accuracy during extended machining sessions.</p><ul><li>High precision rating minimizes runout, reducing tool wear and improving workpiece surface finish</li><li>Double row design provides superior rigidity, ideal for heavy-duty cutting applications</li><li>Steel cage construction offers enhanced durability and heat resistance for continuous operation</li><li>100% genuine SKF quality with full traceability, ensuring peace of mind for critical machining processes</li></ul>
- 100% genuine -- COC & factory certificates available
- In-stock · bulk & small-batch orders accepted
- ISO · DIN · ABMA · JIS compliant
- Full customs clearance documentation provided
Product Details
Full Specifications & Description
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 Suitability
| Industry | Typical Applications |
|---|---|
| Machine Tool | Spindle systems requiring high precision rotation |
Looking for a Reliable Double Row Angular Contact Ball Bearing 3312 A/C3 for Machine Tool Spindles? Here's What Matters
Machine tool operators know the frustration of spindle bearings failing prematurely—excessive vibration ruining workpiece precision, unplanned downtime cutting production schedules, and the hassle of sourcing exact replacements across multiple suppliers. When every micron counts in machining, settling for generic bearings with unproven precision can cost far more than the initial savings.
Built for Reliable, High-Precision Performance in Machine Tool Spindles
The SKF 3312 A/C3 Double Row Angular Contact Ball Bearing addresses these challenges with its separated design and high precision rating, making it ideal for machine tool spindles where radial and axial load capacity combine with tight tolerance control. Our extensive inventory covers over 95% of conventional bearing models, ensuring same-day shipping for urgent replacement needs, while our technical team provides guidance on proper installation to maximize service life.
Where This Bearing Performs Best
This Angular Contact Ball Bearing 3312 A/C3 excels in high-speed machine tool spindles operating under combined radial and axial loads. Its double row structure allows for higher load carrying capacity compared to single row designs, while the C3 clearance ensures optimal performance at elevated temperatures common in continuous machining operations. The precision rating options (P0 to P6) accommodate applications from general purpose to high-precision CNC machining centers.
Engineering Details That Matter
The bearing's construction starts with high-quality bearing steel, selected for its fatigue resistance and hardness—critical properties for withstanding the cyclic loading of spindle operation. Available cage materials (steel, copper, nylon) offer flexibility: steel cages provide maximum strength for heavy loads, copper enhances heat dissipation in high-speed applications, and nylon reduces noise and friction in precision environments. The angular contact design allows for precise adjustment of preload, a key factor in minimizing spindle runout and improving surface finish quality of machined parts. Lubrication options (oil or grease) support adaptation to specific spindle speed and temperature requirements, ensuring consistent performance across diverse machining conditions.
Why Bearing Selection Affects Total Cost
Choosing the right SKF Double Row Bearing for Machine Tool applications directly impacts total operational cost. A bearing with insufficient precision can cause chatter marks, requiring rework or scrapped parts; one with inadequate load capacity may fail prematurely, leading to unplanned downtime and emergency repair costs. In contrast, the 3312 A/C3's robust design, backed by ISO 9001 quality control processes, reduces the risk of early failure. By investing in a bearing that matches your spindle's exact requirements, you avoid the hidden costs of frequent replacements and production losses—ultimately lowering your total cost of ownership over time.
Quality You Can Rely On
Our bearings undergo rigorous inspection throughout the production process, from raw material testing to final dimensional and hardness checks. We maintain complete batch traceability, providing factory certificates and inspection reports to verify compliance with specified standards. All products are backed by a manufacturer's warranty covering manufacturing defects, ensuring you receive reliable components. With direct access to a wide range of brands and models, we can source or supply bearings that meet your exact specifications, whether you need standard off-the-shelf units or custom-engineered solutions.
Packaging & Shipping
- Standard packaging includes cartons with palletized reinforcement for bulk orders, ensuring safe transportation
- Spot inventory items available for same-day shipping to minimize downtime
- Flexible delivery options: express courier for urgent orders, air freight for medium volumes, and sea freight for cost-effective large shipments
- Low minimum order quantities supported, accommodating both small-scale maintenance needs and large production runs
Request a Quote for Your SKF 3312 A/C3 Bearing
To get started, provide your machine tool model, required bearing quantity, and delivery location. Our team will confirm availability, provide pricing, and outline the fastest shipping option for your needs. With our one-stop procurement service, you can also inquire about related spindle components or other bearing models—we handle the sourcing so you can focus on production.
Frequently Asked Questions
Q: Do you support procurement of other bearing brands or models?
A: Yes, we offer comprehensive procurement services covering both international brands (including SKF, NSK, NTN, Koyo, NACHI, IKO, FAG, Timken) and domestic quality brands. We can source or supply bearings according to your specified brand, model, or technical requirements.
Q: How can I confirm if this bearing is compatible with my machine tool spindle?
A: Provide your spindle's make, model, or the original bearing's dimensions (bore diameter, outer diameter, width) and load requirements. Our technical team will cross-verify specifications to ensure compatibility with your application.
Q: What is your warranty policy for this bearing?
A: We provide a manufacturer's warranty covering manufacturing defects. The warranty period and terms are specified in each order's contract, with support for replacement or refund in cases of verified quality issues.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single-unit purchases for emergency replacements. For bulk orders, volume pricing is available upon request.
Q: How quickly can you ship the SKF 3312 A/C3 bearing?
A: If the bearing is in our现货 inventory, we can ship it the same day for orders confirmed before cutoff time. For non-stock items, lead times vary by production schedule and will be confirmed during the quoting process.
Q: Do you offer OEM/ODM customization for bearing specifications?
A: Yes, we support custom bearing production (OEM/ODM) based on customer-provided drawings, material requirements, or performance specifications. This includes specialized cage designs, clearance ranges, and surface treatments.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we'll get back to you with pricing and lead time.
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Double Row Angular Contact Ball Bearing 3312 A/C3 High Precision for Machine Tool Spindle
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