High Precision Double Row Angular Contact Ball Bearing 3304-a for CNC Machine Tools with P4/P2 Precision Grade

Product Specifications

Application Industries

Eliminate CNC Downtime with High Precision Double Row Angular Contact Ball Bearing 3304-a

CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, maintenance crews scrambling, and deadlines missed. When precision bearings fail prematurely, the costs go beyond replacement parts. The real damage comes from unplanned downtime and compromised workpiece accuracy. Sourcing reliable P4/P2 grade bearings often means navigating minimum order quantities, inconsistent quality from multiple suppliers, and long lead times that keep machines idle.

High Precision Double Row Angular Contact Ball Bearing 3304-a: In Stock for Immediate Shipment

Our High Precision Double Row Angular Contact Ball Bearing 3304-a solves these challenges with P4/P2 precision grades ready for same-day dispatch. As an officially authorized distributor, we maintain sufficient inventory of high-precision bearings specifically engineered for CNC machine tool spindles—where radial and axial load capacity meets tight tolerance requirements. Every bearing undergoes standardized precision testing before shipment, ensuring it matches the exact specifications your equipment demands.

Optimal Performance in CNC Machine Tool Spindles

This Double Row Angular Contact Ball Bearing excels in high-speed CNC applications where rotational accuracy and rigidity are critical. Designed to handle combined radial and axial loads, it maintains stable performance in spindles operating at varying speeds, reducing vibration and improving surface finish quality. The separated structure allows for easy mounting and preload adjustment, a key advantage in precision machining setups where bearing configuration directly impacts tool life and part accuracy.

Technical Features That Drive CNC Precision

The P4/P2 precision grades of this bearing ensure minimal radial runout and axial deviation, essential for maintaining tight tolerances in precision machining. Bearing steel construction provides high hardness and wear resistance, extending service life even under continuous operation. Available with steel, copper, or nylon cages, the bearing can be tailored to specific lubrication and speed requirements—steel cages for high-temperature applications, nylon cages for reduced noise in high-speed spindles. The angular contact design enables optimal load distribution, preventing premature fatigue in heavy-duty machining operations.

Why Genuine Bearings Lower Total Cost of Ownership

Counterfeit bearings may offer lower upfront prices, but they often fail within months, leading to repeated replacements and unplanned downtime. A single spindle failure in a CNC machine can cost thousands in lost production. Our genuine SKF bearings come with full traceability documentation, ensuring compliance with ISO 9001 and DIN standards. The precision testing we perform—from incoming material verification to finished product inspection—eliminates the risk of installing substandard components that compromise machine performance.

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Packaging & Shipping

• Protective carton packaging with pallet reinforcement for shock and dust protection during transit
• Standard delivery within 3-7 business days for in-stock P4/P2 precision grade bearings
• Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
• Real-time logistics tracking provided for all shipments
• Minimum order quantity of 1 piece, supporting both emergency repairs and scheduled maintenance

Get Your CNC Machine Back to Peak Performance

Don’t let bearing issues disrupt your production schedule. The High Precision Double Row Angular Contact Ball Bearing 3304-a is in stock and ready to ship—so you can minimize downtime and restore machining accuracy quickly. Whether you need a single replacement or a bulk order for scheduled maintenance, we ensure prompt delivery of genuine, precision-tested bearings.

Frequently Asked Questions