Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | FAG Spindle Bearing |
| Precision | P4, P4s, P2 (ISO) |
| Contact Angle (α) | 15° (C), 25° (E) |
| Material | Steel |
| Transport Package | Carton Pallet |
| Trademark | FAG |
| Origin | Jiangsu China |
| HS Code | 8482800000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Spindle Motors |
| Aerospace | Precision Machining Equipment |
| Medical Devices | High-Speed Diagnostic Machinery |
| Automation | Industrial Robotic Arms, Precision Conveyors |
Eliminate CNC Spindle Downtime with B71938-E-T-P4s-UL Ceramic Angular Contact Ball Bearing
CNC machine operators know the frustration of unexpected spindle failures—when a bearing fails prematurely, production stops, deadlines slip, and repair costs mount. Gray market bearings often lack proper traceability, leading to customs clearance delays and quality disputes. Multi-tier distribution channels stretch lead times by 30–50%, making it impossible to align with tight production schedules.
Genuine FAG Spindle Bearings, In Stock and Traceable
As an official authorized Schaeffler FAG distributor, we provide the High Speed Ceramic Angular Contact Ball Bearing B71938-E-T-P4s-UL directly from the brand’s supply chain. Our ISO 9001 & DIN compliant precision testing system ensures each bearing meets P4/P2 grade standards, critical for CNC spindle motor performance. With sufficient stock of precision grades, we eliminate the delays of traditional distribution, getting your production back on track faster.
Engineered for High-Speed CNC Spindle Applications
This Steel Ceramic Hybrid Bearing excels in high-speed rotating environments like CNC spindle motors, where operating speeds demand exceptional stability and heat resistance. The 15° contact angle (E) optimizes load distribution under radial and axial forces, while the ceramic ball design reduces friction and inertia—key factors in maintaining precision at maximum RPM. Whether machining aerospace components or medical devices, this bearing delivers the consistent running accuracy required for tight tolerances.
Technical Features That Drive Performance
The P4 precision class ensures minimal radial runout and axial clearance, critical for maintaining spindle concentricity and surface finish quality. The hybrid ceramic construction combines steel rings with ceramic balls to reduce thermal expansion, allowing stable operation across a wide temperature range. The “T” suffix indicates a phenolic resin cage, which enhances lubricant retention and reduces vibration at high speeds. These features collectively extend bearing service life by up to 40% compared to standard bearings in similar applications.
Why Authenticity Matters for Your Bottom Line
Counterfeit bearings may cost less upfront, but they often fail within 30–50% of the expected service life of genuine FAG products. A single spindle failure can result in $10,000–$50,000 in downtime costs, not counting potential damage to tooling or workpieces. Our bearings come with full traceability documentation, including batch codes and compliance certificates, ensuring you avoid customs issues and quality liability disputes. Investing in authentic P4 Precision Bearings reduces total cost of ownership by minimizing unplanned maintenance and production interruptions.
Why Global Manufacturers Trust Our Supply
With over a decade serving high-end manufacturing across 40+ countries, we’ve built our reputation on four pillars: official original supply directly from Schaeffler FAG, eliminating middlemen and counterfeit risks; a dedicated precision application engineering team that provides model selection and installation guidance based on your specific working conditions; shockproof precision logistics that ensure bearings arrive in factory-fresh condition; and customized OEM solutions tailored to your production schedules. Our clients include leading CNC machine tool OEMs and aerospace manufacturers who demand consistent quality and reliability.
Packaging & Shipping
- Original FAG packaging with batch traceability labels and outer carton pallet reinforcement
- Stock items shipped within 3–7 business days from our Shanghai warehouse
- Global delivery via DHL, FedEx, UPS, or air/ocean freight as required
- Real-time tracking provided for all shipments
- Minimum order quantity of 1 piece, supporting both emergency repairs and small-batch trials
Get Your CNC Spindle Running at Peak Performance
Every hour of spindle downtime erodes your profit margin. Whether you need a single replacement bearing or a long-term supply agreement, we’re ready to support your production needs. Send us your bearing designation, operating parameters (speed, load, temperature), and quantity—our team will confirm compatibility and deliver a quote within 24 hours.
Frequently Asked Questions
Q: Are these genuine FAG bearings?
A: Yes, we are an official authorized Schaeffler FAG distributor. Every bearing comes with brand authorization documentation and full traceability to the original manufacturing batch.
Q: How do I confirm this bearing fits my CNC spindle?
A: Provide your spindle model, operating speed, and load conditions. Our precision application engineering team will verify compatibility and provide technical guidance at no cost.
Q: What is the warranty policy?
A: All bearings are covered by FAG’s original manufacturer warranty, which includes replacement for manufacturing defects. We handle the entire warranty claim process on your behalf.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making us ideal for emergency repairs. For OEM production, we offer discounted pricing on volume orders with dedicated inventory reservation.
Q: How long does shipping take to Europe or North America?
A: Standard air freight takes 5–7 days to major European and North American cities. Express options (DHL/UPS/FedEx) deliver in 3–4 days for urgent needs.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing has laser-etched FAG markings and a unique serial number. We provide packaging with security holograms, and you can cross-verify details using Schaeffler’s official product authentication system with the documentation we supply.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.







