Super Precision Angular Contact Ball Spindle Bearing FAG B71915-C-T-P4s-Um 30x47x9mm for CNC Machine Tools

Product Specifications

Application Industries

Stop CNC Spindle Failures — FAG B71915-C-T-P4s-Um Bearings Delivered On Time

CNC machine shops lose up to 20 production hours monthly due to unexpected spindle bearing failures. Many face delays when sourcing precision bearings, especially when dealing with multiple suppliers for different brands. Mismatched quality standards across channels often lead to premature wear, increasing maintenance costs and disrupting project timelines.

Genuine FAG Precision Bearings, In Stock and Ready for Immediate Shipment

As an official FAG distributor, we stock the FAG B71915-C-T-P4s-Um super precision angular contact ball bearing, designed specifically for CNC machine tool spindles. With 30x47x9mm dimensions and P4s precision class, this bearing meets the strict requirements of high-speed machining centers. Our ISO 9001 and DIN compliant inspection system ensures every unit passes rigorous testing before shipment, eliminating the risks of counterfeit products.

Optimal Performance in High-Speed CNC Spindle Applications

This FAG angular contact ball bearing excels in high-speed, precision-critical environments typical of CNC spindle operations. With a 15° contact angle (C design), it efficiently handles both radial and axial loads, maintaining stability at high rotational speeds. The bearing’s steel construction and precision grinding ensure minimal runout, directly contributing to improved surface finish quality in machined parts. Whether used in vertical or horizontal spindles, its design minimizes heat generation, extending service life in continuous-duty applications.

Technical Features That Ensure CNC Spindle Reliability

The P4s precision class of the FAG B71915-C-T-P4s-Um bearing guarantees tight dimensional tolerances, crucial for maintaining spindle accuracy. This precision reduces vibration during operation, which is essential for achieving tight machining tolerances. The bearing’s contact angle configuration allows for preload adjustment, optimizing stiffness and reducing axial play—key factors in preventing chatter during heavy cutting. Additionally, the steel cage design ensures consistent ball spacing, enhancing dynamic load distribution and enabling reliable performance in demanding production cycles.

Why Genuine FAG Bearings Reduce Total Cost of Ownership

Counterfeit spindle bearings may cost 30% less upfront but typically fail within 30% of the service life of genuine FAG products. A single unplanned spindle failure can result in $5,000–$15,000 in downtime costs, not including potential damage to associated components. Genuine FAG bearings, like the B71915-C-T-P4s-Um, come with full certification documents, ensuring compliance with ISO standards for machine tool safety and performance. By investing in authentic precision bearings, manufacturers reduce maintenance frequency, extend tool life, and maintain consistent production quality—ultimately lowering long-term operational costs.

Your Trusted Partner for High-Precision Bearing Solutions

Packaging & Shipping

• Original FAG packaging with product certification and batch traceability
• Reinforced outer carton for shock protection during transportation
• 3–7 business days delivery for in-stock items
• Global logistics options including DHL, FedEx, UPS, air, and sea freight
• Real-time tracking provided from warehouse dispatch to delivery
• Minimum order quantity of 1 piece, ideal for emergency maintenance

Secure Your CNC Production Schedule Today

Every hour of spindle downtime impacts your bottom line. The FAG B71915-C-T-P4s-Um bearing is in stock and ready to ship—don’t wait for a failure to disrupt your production. Send us your bearing requirements, and our team will confirm compatibility with your CNC machine model, ensuring optimal performance and fast delivery.

Frequently Asked Questions