Heavy Duty Double Row Angular Contact Ball Bearing 3316-a for High Rigidity CNC Machine Tools

Product Specifications

Application Industries

Eliminate CNC Downtime with Heavy Duty Double Row Angular Contact Ball Bearing 3316-a

CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, costly repairs, and missed deadlines. Many face the dilemma of choosing between overpriced original bearings with long lead times or cheap alternatives that fail prematurely. The wrong bearing can compromise machining precision, increase vibration, and cut tool life in half.

Precision Engineered for High Rigidity CNC Applications

Our Heavy Duty Double Row Angular Contact Ball Bearing 3316-a is designed to solve these challenges. As a professional bearing manufacturer with decades of export experience, we produce this double row angular contact bearing to meet P0-P4 precision grades, ensuring it delivers the high rigidity required for CNC machine tool spindles. Whether you need standard specifications or custom dimensions, our one-stop service covers everything from R&D to production, eliminating the hassle of multiple suppliers.

Optimal Performance in Demanding Machining Conditions

This 3316-a bearing excels in high-speed, heavy-load CNC operations where rigidity and accuracy are critical. Its double row angular contact design handles both radial and axial loads simultaneously, making it ideal for precision machining centers and lathes. The separated structure allows for easy mounting and dismounting, reducing maintenance time and keeping your CNC machines operational when you need them most.

Technical Features That Maximize CNC Spindle Performance

The precision rating of P0-P4 ensures minimal runout and vibration, directly impacting machining accuracy and surface finish quality. Available with steel, copper, or nylon cages, the bearing can be tailored to specific speed and temperature requirements—steel cages for high load capacity, nylon cages for reduced friction at higher speeds. The use of high-grade bearing steel guarantees stable performance and long service life, even under continuous operation. Lubricated with high-quality oil grease, it maintains optimal performance across a range of operating conditions, reducing the need for frequent re-lubrication.

Why Compromising on Bearings Costs More in the Long Run

Choosing uncertified bearings may save money upfront, but the hidden costs add up quickly. Early bearing failure can damage CNC spindles, costing thousands in repairs and lost production. Our bearings meet ISO international industrial standards and undergo strict quality control, from incoming raw material inspection to full-process production supervision. This commitment to quality means fewer failures, less downtime, and lower total cost of ownership compared to cheaper alternatives.

Why Global Buyers Choose Saifan Bearings

Packaging & Shipping

• Secure carton pallet packaging to prevent damage during transit
• Sample orders shipped within 3-5 working days, bulk orders within 5-15 working days
• Multiple logistics options available including express, air, and sea freight
• Real-time logistics tracking provided for all shipments
• 1 piece MOQ for standard bearings, customized order quantities negotiable

Get Your 3316-a Bearing Shipped Today

Don’t let spindle downtime disrupt your production schedule. Whether you need a single replacement bearing or a bulk order, we ensure fast delivery and reliable performance. Send us your specifications, and our team will confirm compatibility and provide a quote within 24 hours.

Frequently Asked Questions