Spherical Roller Bearing 23218CAK SKF Self-Aligning with P4 Precision for CNC Machine Tools

Product Specifications

Application Industries

Reduce CNC Downtime with Genuine SKF 23218CAK Spherical Roller Bearings

CNC machine operators know the cost of unexpected downtime—missed deadlines, overtime labor, and disrupted production schedules. All too often, these issues stem from substandard bearings that fail prematurely or lack the precision to maintain tight tolerances. Sourcing replacement bearings from multiple suppliers only adds complexity, with inconsistent quality and extended lead times delaying repairs.

Genuine SKF Bearings, In Stock for Immediate Delivery

Our 23218CAK SKF Self-Aligning Spherical Roller Bearing eliminates these frustrations. As an officially authorized SKF distributor, we guarantee 100% authentic products with full traceability. With P4 precision grade readily available in our inventory, we can fulfill urgent orders quickly, minimizing your equipment downtime. This bearing’s self-aligning capability is particularly valuable in CNC machine tool spindles and gearboxes, where misalignment can occur due to thermal expansion or mounting errors.

Engineered for High-Precision Industrial Environments

This double-row spherical roller bearing excels in applications requiring both radial load capacity and angular misalignment compensation. With a bore diameter of 90 mm, outer diameter of 160 mm, and width of 52.4 mm, it’s designed to handle heavy radial loads while accommodating shaft deflections up to 2 degrees. The unseparated design ensures easy installation and maintenance, critical for time-sensitive CNC operations where every minute of uptime counts.

Technical Details That Deliver Reliable Performance

The P4 precision rating of this bearing ensures minimal runout and consistent performance, essential for maintaining the tight tolerances demanded by CNC machining. Its bearing steel construction provides excellent durability and resistance to fatigue, even under continuous operation. The C0, C3, and C4 clearance options allow customization based on specific operating conditions—C3 clearance, for example, is ideal for applications with temperature variations that cause thermal expansion. When paired with proper lubrication, these features work together to extend bearing life and reduce maintenance intervals.

Why Authenticity Matters for Your Bottom Line

Choosing genuine SKF bearings over counterfeit alternatives directly impacts your total cost of ownership. Counterfeit bearings often use substandard materials and manufacturing processes, leading to early failure, increased vibration, and potential damage to expensive CNC components. In contrast, our 23218CAK SKF bearing meets strict ISO 9001 and DIN quality standards, ensuring reliable performance and reducing the risk of unplanned downtime. The investment in authentic bearings pays off through longer service life, improved machine accuracy, and lower overall maintenance costs.

Our Commitment to Your Success

Packaging & Shipping

• Original SKF packaging with protective carton and pallet reinforcement
• Package dimensions: 18.00cm * 18.00cm * 7.24cm, gross weight 4.650kg
• Ready stock for delivery within 3-7 working days
• Global shipping via DHL, FedEx, UPS, air freight, or sea freight
• Real-time logistics tracking provided for all orders
• Minimum order quantity of 1 piece, supporting emergency maintenance needs

Get Your CNC Machine Back to Peak Performance

Don’t let bearing issues slow down your production. Whether you need a single replacement or a stock of 23218CAK SKF bearings, we’re ready to fulfill your order. Send us your requirements, including quantity and application details, and our team will provide a quotation within one working day. The sooner you act, the sooner your CNC machines can return to optimal operation.

Frequently Asked Questions