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 |
| Specification |
As Your Request |
| Trademark |
FAG |
| Origin |
Jiangsu China |
| HS Code |
8482800000 |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
CNC Machine Tools, Spindle Motors |
| Industrial Machinery |
High-Speed Rotating Equipment |
| Precision Engineering |
Grinding Machines, Machining Centers |
Stop CNC Spindle Failures with High Speed Ceramic Angular Contact Ball Bearing B71938-E-T-P4s-UL
CNC operators know the frustration of unexpected spindle downtime—replacement bearings with inconsistent precision lead to poor surface finishes, while long lead times for specialized parts halt production schedules. When your machine tools rely on high-speed rotation, choosing the wrong bearing isn’t just a cost issue; it’s a threat to delivery deadlines and product quality.
Engineered for CNC Spindle Motors: Precision Meets Performance
The High Speed Ceramic Angular Contact Ball Bearing B71938-E-T-P4s-UL addresses these challenges directly. As a professional bearing manufacturer with decades of export experience, we supply bearings that meet ISO, ABMA, and DIN standards, ensuring compatibility with your CNC spindle motor. Our factory’s advanced testing equipment verifies each bearing’s noise grade and precision, from P0 to P4, so you can trust consistent performance right out of the box.
Where This Bearing Excels: High-Speed, High-Precision Applications
Designed for CNC spindle motors operating at extreme rotational speeds, this angular contact ball bearing with a 25-degree contact angle (E) delivers exceptional radial and axial load capacity. Its ceramic construction reduces heat generation during high-speed operation, making it ideal for continuous-duty machining centers. Whether you’re cutting metal alloys or composites, the B71938-E-T-P4s-UL maintains stability under varying loads, ensuring your spindle runs smoother and lasts longer.
Technical Details That Define CNC Spindle Performance
Three critical parameters set this bearing apart: precision class, contact angle, and material composition. The P4s precision grade guarantees minimal runout, essential for achieving tight tolerances in precision machining. The 25-degree contact angle balances axial and radial load distribution, preventing premature wear in vertical or horizontal spindle configurations. While the base material is high-grade steel, the ceramic ball design reduces friction, allowing higher limiting speeds without sacrificing durability—key for maintaining productivity in high-volume manufacturing.
Why Genuine Bearings Lower Your Total Cost of Ownership
Counterfeit bearings may offer lower upfront prices, but they often fail within months, leading to unplanned downtime and costly repairs. A single spindle failure can cost thousands in lost production. Our genuine FAG bearings, sourced through verified supply chains, come with a 12-month warranty. Each unit undergoes dimensional detection and noise testing in our in-house laboratory, ensuring compliance with international standards. By investing in authentic, precision-engineered bearings, you reduce maintenance costs and extend the service life of your CNC equipment.
Why Global Buyers Choose Saifan Bearings
With ISO 9001:2015 and ISO 14001 certifications, we adhere to strict quality control processes—from raw material inspection to full-process production supervision. Our one-stop service covers everything from OEM/ODM customization to global shipping, with flexible order policies: 1 piece MOQ for standard bearings, 3-5 working days for samples, and 5-15 days for bulk orders. Distributors and wholesalers can request free samples (freight included), backed by a professional technical team offering guidance on selection, installation, and troubleshooting. We’ve served clients in Europe, North America, Southeast Asia, and the Middle East since 2005, building a reputation for reliability in the industrial bearing market.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Multiple logistics options: DHL, FedEx, UPS, air freight, or sea freight
- Real-time tracking numbers provided for all shipments
- 1 piece MOQ for standard bearings, with customized order quantities negotiable
Get Your CNC Spindle Running Again—Request a Quote Today
Every day your CNC machine is down costs money. Whether you need a single replacement bearing or a bulk order for your production line, we’re ready to fulfill your request. Send us your bearing designation, application details, and quantity, and our team will respond with a competitive quote within 24 hours.
Frequently Asked Questions
Q: Are these genuine FAG bearings?
A: Yes, we supply genuine original brand bearings, including FAG, with full traceability to ensure authenticity.
Q: How do I confirm if this bearing fits my CNC spindle?
A: Provide your spindle model or technical specifications (bore diameter, speed, load), and our technical team will verify compatibility.
Q: What is the warranty period?
A: All products come with a 12-month warranty from the date of delivery, covering manufacturing defects.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ; sample orders have no MOQ requirement.
Q: How long does shipping take?
A: Sample orders ship in 3-5 working days; bulk orders take 5-15 working days, with global logistics options available.
Q: How can I verify the bearing’s authenticity?
A: Genuine FAG bearings include original packaging with serial numbers and holographic labels. We provide certification documents upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
