Spherical Roller Bearing 22218K W33 C3 Self-Aligning for CNC Machine Tools 100x215x47mm

Product Specifications

Application Industries

Reduce CNC Downtime with Genuine 22218K Spherical Roller Bearings

CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, maintenance crews scrambling, and deadlines slipping. Many face the double challenge of sourcing authentic bearings quickly while ensuring cross-brand compatibility for complex tooling setups. Misaligned shafts or substandard components only compound these issues, turning minor repairs into major operational disruptions.

Genuine SKF Bearings, In Stock for Immediate Dispatch

Our 22218K W33 C3 self-aligning spherical roller bearing delivers the precision your CNC machinery demands. As an officially authorized SKF distributor, we maintain ready stock of P4/P2 precision grade bearings, ensuring you get the exact component you need without lengthy lead times. This double-row radial bearing, with its 100x215x47mm dimensions, is engineered to accommodate shaft misalignment common in high-speed machining centers, reducing stress on connected components and extending equipment life.

Engineered for CNC Machine Tool Performance

This spherical roller bearing excels in the demanding conditions of CNC machine tools, where radial loads and moderate axial forces combine with high rotational speeds. The self-aligning design compensates for up to 2 degrees of shaft deflection, critical in precision machining applications where even微小偏差 can compromise part accuracy. Whether used in vertical turret lathes or horizontal machining centers, its robust bearing steel construction ensures consistent performance under continuous operation.

Technical Features That Matter in CNC Applications

The C3 clearance rating of this 22218K bearing provides optimal internal space for thermal expansion during high-speed运转, preventing premature failure from heat buildup. Its double-row roller configuration distributes load evenly across the raceway, increasing dynamic load capacity for heavy cutting operations. The W33 designation indicates a lubrication groove and three oil holes in the outer ring, facilitating maintenance and extending relubrication intervals—essential for CNC machines running extended production cycles. Available precision grades from P0 up to P2 allow matching bearing accuracy to specific machine requirements, from general purpose lathes to high-precision grinders.

Why Authenticity Matters for Your Bottom Line

Counterfeit bearings often fail within 30-50% of the expected service life of genuine SKF components, leading to unplanned downtime that costs manufacturers an average of $22,000 per hour according to industry reports. Our ISO 9001 and DIN compliant quality control ensures every bearing meets original specifications, eliminating the hidden costs of premature replacement, damaged spindles, and scrapped workpieces. By investing in authentic self-aligning bearings, you reduce total cost of ownership through longer service intervals and fewer production interruptions.

Your Trusted Partner for Precision Bearing Solutions

Packaging & Shipping

• Original SKF packaging with protective inner carton and outer pallet reinforcement
• Package dimensions: 18.00cm * 18.00cm * 6.00cm, gross weight 4.100kg
• Priority processing available for emergency maintenance requirements
• Global logistics options including DHL, FedEx, and UPS with real-time tracking
• Minimum order quantity: 1 piece, ideal for both scheduled maintenance and urgent repairs

Get Your CNC Bearings Shipped Today

Don’t let bearing issues slow your production schedule. Send us your complete procurement list—including this 22218K W33 C3 bearing—and our team will provide cross-brand verification and unified quotation within one working day. With our ready stock and dedicated technical support, you can minimize downtime and keep your CNC machines operating at peak efficiency.

Frequently Asked Questions