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 |
| HS Code |
8482800000 |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
CNC Machine Tools, Precision Machining Centers, Lathes, Milling Machines |
| Industrial Machinery |
Spindle Units, High-Speed Rotating Equipment, Grinding Machines |
Prevent Costly Downtime with B71915-C-T-P4s-Um Angular Contact Ball Spindle Bearing
Machine tool operators know the frustration of unexpected spindle failures—hours of production lost, maintenance crews scrambling, and deadlines slipping. When precision grinding or milling operations grind to a halt due to bearing issues, the cost adds up quickly. Many struggle with sourcing reliable high-precision bearings that meet strict tolerance requirements, especially when dealing with overseas suppliers who can’t guarantee consistent quality or timely delivery.
High-Precision Spindle Bearings for Critical Machine Tool Performance
Our Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um is engineered to solve these challenges. With dimensions 30x47x9mm and P4s precision grade, this angular contact ball bearing delivers the stability and accuracy required for high-speed machine tool spindles. As a professional bearing manufacturer with decades of export experience, we ensure each unit meets ISO industrial standards, supported by our in-house laboratory testing for dimensional accuracy and noise levels.
Engineered for High-Speed, High-Precision Machining
This spindle bearing excels in applications where both radial and axial loads are present, such as CNC machine tool spindles operating at high rotational speeds. The 15° contact angle (C) design optimizes load distribution, while the P4s precision grade minimizes runout and vibration—critical factors for maintaining tight tolerances in precision machining. Whether used in vertical or horizontal spindles, it provides the rigidity needed for heavy cutting operations and the smooth rotation essential for fine surface finishes.
Key Technical Features That Impact Performance
The P4s precision classification ensures superior dimensional accuracy, with tight control over bore roundness, outer ring concentricity, and overall radial runout—parameters that directly influence spindle vibration and machining precision. The steel material construction offers excellent durability and heat resistance, allowing the bearing to maintain performance even under the thermal stress of prolonged high-speed operation. The angular contact design enables the bearing to handle combined loads, a common requirement in spindle applications where both radial cutting forces and axial thrust are present.
Why Genuine Precision Bearings Matter for Your Bottom Line
Choosing a low-quality or counterfeit angular contact ball bearing may seem cost-effective initially, but the hidden costs are substantial. Inferior bearings often fail prematurely, leading to unplanned downtime, damaged spindle components, and scrapped workpieces. In contrast, our precision spindle bearings are manufactured using high-grade chrome steel and undergo strict quality control—from raw material inspection to full-process production supervision. This commitment to quality translates to longer service life, reduced maintenance costs, and consistent machining performance, ultimately lowering your total cost of ownership.
Our Commitment to Reliable Supply and Service
With ISO 9001:2015 and ISO 14001 certifications, we adhere to international quality and environmental standards. Our one-stop service covers independent R&D, mass production, and global sales, ensuring we can meet both standard and custom requirements. We offer flexible order policies, including 1 piece MOQ for standard bearings and sample orders without MOQ, making it easy to source even small quantities for critical repairs. Our professional technical team provides free guidance on bearing selection and installation, and we back every product with a 12-month warranty, offering free replacements or refunds for qualified defective products.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options including express, air, and sea freight
- 1 piece MOQ available for standard bearings, supporting emergency maintenance needs
Get the Right Bearing for Your Machine Tool Today
Don’t let bearing issues disrupt your production schedule. The B71915-C-T-P4s-Um high precision spindle bearing is ready to ship, with the technical support you need to ensure proper installation and performance. Whether you’re replacing a worn bearing or sourcing for new equipment, we can help you get back to machining with confidence.
Frequently Asked Questions
Q: Are these genuine FAG spindle bearings?
A: We supply genuine original brand bearings, including FAG, with full traceability to ensure authenticity. We can provide documentation to verify the origin and quality of each product.
Q: How do I confirm if this bearing fits my machine tool spindle?
A: Provide your machine model or spindle specifications, and our technical team will cross-reference dimensions, load requirements, and precision等级 to confirm compatibility at no cost.
Q: What is the warranty period for this bearing?
A: All bearings come with a 12-month warranty from the date of receipt, covering manufacturing defects. We offer free replacement delivery with your next order or direct refund for qualified issues.
Q: What is the minimum order quantity for this model?
A: We accept orders for 1 piece of standard bearings, making it ideal for emergency repairs or small-batch production needs.
Q: How quickly can you ship this bearing?
A: Sample orders are shipped within 3-5 working days, with bulk orders delivered in 5-15 working days depending on quantity and customization requirements.
Q: How can I ensure the bearing I receive is not counterfeit?
A: Our bearings come in original packaging with brand-specific markings and serial numbers. We also provide certification of authenticity and can guide you through verification steps via the manufacturer’s official channels.
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