Double Row Angular Contact Ball Bearing 3318 A/C3 P4 Precision for CNC Machine Tool Spindle

Product Specifications

Application Industries

CNC Spindle Downtime Costs Add Up — Get 3318 A/C3 P4 Precision Bearings Delivered Fast

When a CNC machine spindle fails due to bearing issues, production lines stop, and every hour of downtime eats into profits. Sourcing replacement Double Row Angular Contact Ball Bearings often means coordinating with multiple suppliers, facing inconsistent delivery times, and worrying about whether the parts meet P4 precision standards. For high-precision applications like CNC spindles, even minor deviations in bearing quality can lead to poor machining accuracy and premature failure.

Authentic 3318 A/C3 P4 Bearings in Stock for Immediate Dispatch

We solve these challenges by maintaining sufficient ready stock of P4 precision grade bearings, including the 3318 A/C3 Double Row Angular Contact Ball Bearing. As an officially authorized distributor, we guarantee 100% authentic products with full certification documentation. Our standardized precision testing procedures ensure each bearing meets strict quality control before delivery, so you can replace spindle bearings quickly and with confidence.

Optimal Performance in CNC Machine Tool Spindles

This Angular Contact Ball Bearing P4 Grade is specifically engineered for high-precision industrial scenarios like CNC machine tool spindles. It handles both radial and axial loads while maintaining exceptional rotational accuracy at high speeds. The double row design provides increased rigidity and load-carrying capacity, making it ideal for the continuous, heavy-duty operation typical of CNC machining centers. Choosing the right precision bearing directly impacts spindle life, machining quality, and overall equipment efficiency.

Key Technical Features That Matter for Spindle Performance

The P4 precision rating of this bearing ensures minimal radial and axial runout, critical for maintaining tight tolerances in CNC machining. Its C3 clearance class allows for thermal expansion during high-speed operation, reducing internal stress and preventing premature failure. The steel, copper, or nylon cage options accommodate different speed and temperature requirements, with steel cages offering durability for heavy loads and nylon cages reducing friction at higher speeds. The bearing steel material provides excellent wear resistance and fatigue strength, ensuring long service life even under demanding conditions.

Why Genuine Bearings Lower Your Total Cost

Counterfeit Angular Contact Bearings may save money upfront, but they often lead to hidden costs. Poor material quality and imprecise manufacturing result in shorter service life, increased vibration, and higher energy consumption. A single spindle failure due to a fake bearing can cost thousands in lost production, repair labor, and damaged workpieces. Our genuine 3318 A/C3 P4 Precision Bearings, backed by ISO 9001 and DIN standards, deliver consistent performance and reliability, reducing unplanned downtime and lowering your total cost of ownership over time.

Our Commitment to Reliable Bearing Supply

Packaging & Shipping

• Carton pallet packaging with protective measures to prevent damage during transit
• Expedited processing available for urgent maintenance requirements
• Flexible logistics options including express courier and freight services
• Real-time full logistics tracking for all shipments
• 1 piece minimum order quantity to support emergency repairs

Get Your CNC Spindle Back to Work — Request a Quote Today

Don’t let spindle downtime disrupt your production schedule. Send us your bearing requirements, including the 3318 A/C3 P4 model, and our team will provide a unified quotation within one working day. With our ready stock and efficient order processing, you can get the precision bearings you need to restore your CNC machine to full operation quickly.

Frequently Asked Questions