Self-Aligning Roller Bearing SKF 22217K 85x150x36mm P4 Precision for CNC Machine Tools

Product Specifications

Application Industries

Eliminate CNC Downtime with SKF 22217K P4 Precision Self-Aligning Roller Bearings

CNC machine operators know the frustration of unexpected tool spindle failures—downtime that costs thousands in lost production, emergency repairs, and missed deadlines. Many face the dilemma of choosing between overpriced dealer parts with long lead times or questionable low-cost alternatives that fail prematurely. When your 5-axis machining center needs a replacement bearing, precision and reliability can't be compromised.

Authentic SKF 22217K Bearings in Stock for Immediate Shipment

Our inventory includes the SKF 22217K self-aligning roller bearing with 85x150x36mm dimensions and P4 precision grade—specifically engineered for the high-rigidity requirements of CNC machine tool spindles. As an officially authorized SKF distributor, we maintain sufficient ready stock of P4/P2 precision grade bearings to ensure rapid delivery, eliminating the weeks-long wait times from traditional supply chains. Each bearing undergoes standardized precision testing before shipment, ensuring it meets the exacting standards your equipment demands.

Optimal Performance in Precision Machining Environments

The SKF 22217K self-aligning roller bearing excels in applications where shaft misalignment may occur, such as CNC lathe spindles and milling machine gearboxes operating under radial and axial loads. Its double-row design and spherical outer ring allow for angular misalignment up to 2 degrees, reducing stress on adjacent components while maintaining consistent rotational accuracy. In high-speed CNC operations, the bearing's optimized internal geometry minimizes heat generation and vibration, contributing to superior surface finishes and extended tool life.

Key Technical Attributes That Impact Machine Performance

The P4 precision rating of this bearing ensures tight control over radial runout and axial endplay, critical factors in maintaining spindle concentricity for precision machining tolerances. Available clearance options (C0, C3, C4) allow customization based on operating conditions—C3 clearance is often specified for CNC applications to accommodate thermal expansion during extended runtime. Constructed from high-quality bearing steel, the 22217K delivers excellent fatigue resistance, while its unseparated design simplifies installation and replacement, reducing maintenance time.

Why Authenticity Matters for Your Production Line

Counterfeit bearings may save upfront costs but often result in catastrophic failures within months. These inferior products typically use substandard materials and imprecise manufacturing processes, leading to excessive vibration, premature wear, and potential damage to expensive spindle components. In contrast, genuine SKF 22217K bearings from authorized distributors like us come with full certification documentation, ensuring compliance with ISO 9001 and DIN standards. The long-term savings from reduced downtime and extended service life far outweigh the initial price difference.

Our Commitment to Reliable Bearing Solutions

Packaging & Shipping

• Original SKF packaging with protective inner carton and outer pallet reinforcement
• 现货 available for delivery within 3-7 business days
• Global shipping via DHL, FedEx, UPS, air freight, or sea freight based on urgency and budget
• Real-time logistics tracking provided from warehouse dispatch to delivery
• Minimum order quantity of 1 piece, supporting emergency maintenance requirements

Restore Your CNC Productivity Today

Every hour your CNC machine sits idle costs valuable production time. Our in-stock SKF 22217K P4 precision bearing can be on its way to your facility within 24 hours of order confirmation, minimizing downtime and getting your production line back to full operation quickly. Don't risk further delays with unreliable suppliers—choose a partner with the expertise and inventory to support your critical machining operations.

Frequently Asked Questions