P4 / P2 In Stock · New arrivals: 7020-C-T-P4S spindle bearings

High Precision FAG B71912-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools
High Precision FAG B71912-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools side angle
High Precision FAG B71912-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools cross section
High Precision FAG B71912-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools dimension drawing
High Precision FAG B71912-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools
High Precision FAG B71912-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools side angle
High Precision FAG B71912-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools cross section
High Precision FAG B71912-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools dimension drawing
FAG Genuine P4 Class
ISO 9001 · DIN 620
AUTHORIZED
Schaeffler
SHIPS IN
3-5 Days
RESPONSE
≤ 24H
FAG Genuine · Authorized Angular Contact Bearing P4 / P2

High Precision FAG B71912-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools

Model B71912-C-T-P4s-UL ● IN STOCK

<p>Boost CNC machining precision and reduce downtime with the <strong>FAG B71912-C-T-P4s-UL</strong> angular contact ball spindle bearing—engineered to deliver exceptional running accuracy for high-performance machine tools. As an official FAG distributor, we ensure 100% traceable OEM supply, eliminating the risks of counterfeit parts and documentation gaps that often delay production.</p><ul><li>P4s precision grade ensures minimal radial runout, critical for maintaining tight tolerances in precision cutting operations</li><li>15° contact angle (C design) optimizes axial load capacity, ideal for high-speed spindle applications</li><li>Direct from authorized stock with shockproof logistics, ensuring batch consistency and on-time delivery to keep your production line running smoothly</li></ul>

Precision Class
P4/P2
Bore Ø (d)
17 mm
Outer Ø (D)
40 mm
Dyn / Stat Load
9.8 kN / 6.55 kN
  • 100% Original FAG
  • Shockproof Packaging
  • DIN / ISO Certified
  • Engineering Support
01 / Specifications

Complete Technical
Parameter Table

All values are factory-certified per Schaeffler FAG datasheet and conform to DIN 620 / ISO 492 precision standards. Custom tolerance packages and matched sets available on request.

Dimensions

Bore (d)17 mm
Outer Ø (D)40 mm
Width (B)12 mm
Contact Angle (α)15°
Weight0.065 kg

Performance

Dynamic Load (Cr)9.8 kN
Static Load (C0r)6.55 kN
Limit Speed (Grease)22,000 rpm
Limit Speed (Oil)34,000 rpm
Runout (P4)≤ 3 µm

Material & Construction

Ring Material100Cr6 Steel
CageTB Phenolic
SealingOpen
LubricationGrease / Oil
Preload ClassLight (L)

Standards & Certification

Precision StandardDIN 620 / ISO 492
Quality SystemISO 9001
OriginSchaeffler · Germany
DocumentationCoC + Test Report
Warranty12 Months

Product Description

Boost CNC machining precision and reduce downtime with the FAG B71912-C-T-P4s-UL angular contact ball spindle bearing—engineered to deliver exceptional running accuracy for high-performance machine tools. As an official FAG distributor, we ensure 100% traceable OEM supply, eliminating the risks of counterfeit parts and documentation gaps that often delay production.

  • P4s precision grade ensures minimal radial runout, critical for maintaining tight tolerances in precision cutting operations
  • 15° contact angle (C design) optimizes axial load capacity, ideal for high-speed spindle applications
  • Direct from authorized stock with shockproof logistics, ensuring batch consistency and on-time delivery to keep your production line running smoothly

Description

Product Specifications

Parameter Details
Model NO. FAG Spindle Bearing
Precision P4, P4s, P2 (ISO)
Contact Angle (α) 15° (C), 25° (E)
Material Steel
Trademark FAG
HS Code 8482800000

Application Industries

Industry Typical Equipment
Manufacturing CNC Machine Tools, Precision Spindles
Automation High-Speed Machining Centers
Aerospace Precision Component Manufacturing Equipment
Medical Devices High-Precision Processing Machinery

Prevent CNC Downtime with Genuine FAG B71912-C-T-P4s-UL Spindle Bearings

CNC machine operators know the frustration of unexpected spindle failure—hours of production lost, maintenance crews scrambling, and deadlines missed. Counterfeit bearings often fail within months, lacking the precision to handle high-speed rotation, while multi-tier distributors delay deliveries by 30-50%, leaving you stuck with production gaps.

Original FAG Precision Bearings, Immediately Available

As an official FAG distributor, we supply the B71912-C-T-P4s-UL angular contact ball bearing—engineered for CNC spindle applications requiring P4s-grade precision. Our direct brand access eliminates middlemen, ensuring 100% traceable inventory with ISO 9001/DIN-compliant testing before shipment. This FAG spindle bearing delivers the running accuracy critical for high-speed machining centers, where even microns of deviation affect part quality.

Optimal Performance in CNC Spindle Applications

Designed for radial and axial load handling in precision spindle systems, the B71912-C-T-P4s-UL excels in environments with speeds up to 15,000 r/min. Its 15° contact angle (C design) balances load distribution, making it ideal for horizontal and vertical CNC spindles in automotive component manufacturing, mold making, and aerospace part production. Choosing the right angular contact ball bearing directly impacts tool life, surface finish quality, and overall machine uptime.

Technical Advantages That Matter

The P4s precision class ensures minimal radial runout (≤3 μm) and axial clearance control, critical for maintaining spindle concentricity during high-speed operation. Steel cage construction provides thermal stability at elevated temperatures, while the T-type cage design optimizes lubricant distribution to reduce friction. Unlike standard bearings, the UL suffix indicates strict manufacturing tolerances for consistent batch performance—essential for OEMs requiring interchangeable components across production lines.

Why Authenticity Translates to Lower Total Cost

Non-genuine bearings may cost 30% less upfront but typically fail within 2,000 operating hours, compared to 8,000+ hours for original FAG bearings. A single spindle failure from counterfeit parts can cause $15,000+ in downtime, not counting damaged workpieces or emergency repair fees. Our precision testing system—including vibration analysis and dimensional inspection—ensures each B71912-C-T-P4s-UL bearing meets FAG’s strict quality standards, protecting your production investment.

Our Commitment to Your Production Reliability

With 12+ years as a Schaeffler-authorized distributor, we’ve served CNC machine tool OEMs in 40+ countries, including Germany and the US. Our precision application engineering team provides free model selection support using FAG’s proprietary calculation software, ensuring optimal bearing matching for your specific spindle design. We maintain dedicated P4/P2 grade stock, enabling same-day shipping for urgent orders, and each delivery includes full traceability documentation—critical for export compliance and quality audits.

Packaging & Shipping

  • Original FAG packaging with serial number tracking and authenticity labels
  • Shockproof palletizing to prevent damage during transportation
  • Express delivery via DHL/FedEx/UPS for 3-7 day global shipping
  • Real-time logistics tracking provided for all orders
  • Flexible order quantities—from single units for emergency repairs to bulk OEM supply

Secure Your CNC Production Schedule Today

Delays in spindle bearing replacement cost an average of $2,000 per hour in lost production. Our in-stock FAG B71912-C-T-P4s-UL bearings ship within 24 hours of order confirmation, minimizing downtime. Whether you need a trial sample or a long-term supply agreement, we streamline procurement with dedicated account management and technical support.

Frequently Asked Questions

Q: Are these genuine FAG bearings?

A: Yes, we are an official Schaeffler FAG distributor. Every bearing comes with brand authorization documents and full traceability to FAG’s manufacturing facilities.

Q: How do I confirm this bearing fits my CNC spindle?

A: Provide your machine model or spindle specifications (bore diameter, speed, load direction), and our engineering team will verify compatibility using FAG’s technical database.

Q: What is your warranty policy?

A: All bearings are covered by FAG’s original manufacturer warranty, including replacement for manufacturing defects.

Q: What is the minimum order quantity?

A: We accept orders for 1 unit, supporting emergency repair needs, with volume discounts available for OEM batch purchases.

Q: How quickly can you ship?

A: In-stock bearings ship within 24 hours, with 3-7 day delivery to most global destinations via express courier.

Q: How can I verify bearing authenticity?

A: Each bearing includes FAG’s holographic label and laser-etched part number. We provide certificate of conformance with batch codes traceable through Schaeffler’s official portal.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

02 / Applications

Compatible with
High-End Manufacturing.

Engineered for precision-critical environments where micron-level runout, thermal stability and high rotational speeds determine product quality. Trusted across Germany, Italy, the US, Japan and South Korea.

CNC Machine Tools

High-speed spindles for milling, grinding and turning centers requiring P4 runout.

SPINDLE · OEM

Wind Power Gearboxes

Heavy-duty rotor and main shaft positions demanding long service life.

GEARBOX · MW

Medical Devices

Imaging equipment, surgical robotics and diagnostic systems with quiet running needs.

CLEAN · QUIET

Semiconductor & Aerospace

Wafer handling, lithography stages, and aerospace actuators with P2 demands.

P2 · ULTRA
03 / Engineering

Technical Deep Dive.
Precision Without Compromise.

Every FAG bearing we ship has passed the full Schaeffler quality protocol -- from raw material spectrum analysis to dynamic runout verification -- backed by our shockproof handling chain that preserves micron tolerances door-to-door.

/ 01 STANDARD

DIN 620 Compliance

Full conformance to German DIN 620 dimensional and tolerance standard, with traceable measurement records on every batch.

  • ISO 492 cross-mapped
  • Bore tolerance ±0.004 mm
  • CoC included per shipment
/ 02 PRECISION

P4 / P2 Class Verification

Each bearing undergoes runout testing on calibrated rigs. P4: ≤3 µm radial runout. P2: ≤1.5 µm -- ready for ultra-precision spindles.

  • Climate-controlled QC lab
  • Vibration analysis report
  • Matched-set pairing service
/ 03 LOGISTICS

Shockproof Handling

Vibration-controlled foam cradles, climate-monitored containers and dedicated freight forwarders -- your tolerances arrive intact.

  • Sealed VCI corrosion barrier
  • Shock & humidity sensors
  • 40+ countries delivered
04 / Trust

Genuine Traceability.
Warranty Commitment.

Every unit is traceable from the Schaeffler factory through our Shanghai authorized hub to your facility. Counterfeit-free guarantee backed by a 12-month performance warranty.

Verify Authenticity

Schaeffler Authorized Channel

Direct supply contract with Schaeffler Group -- every product carries original factory packaging and certification.

Full Documentation Package

Certificate of Conformity, dimensional inspection report, runout test data, and origin declaration -- included with every shipment.

12-Month Performance Warranty

Full warranty against material defect and manufacturing fault under specified operating conditions, plus engineering support.

Shockproof Precision Logistics

Vibration-dampened cradles, VCI anti-corrosion sealing, climate-monitored containers -- protecting micron tolerances across 40+ countries.

PACKAGING

Shockproof Precision Pack

VCI corrosion-inhibitor barrier, custom-cut foam cradle, sealed FAG original box, vibration-dampening outer carton with shock indicator label.

SHIPPING

Climate-Controlled Freight

DHL / FedEx / UPS express, sea/air consolidation, EXW · FOB · CIF · DDP terms. Climate and humidity sensors monitor critical batches end-to-end.

LEAD TIME

Stock Items: 3-5 Days

In-stock P4/P2 grades dispatched within 3 business days. Custom matched sets and special tolerances: 2-4 weeks. Express priority available.

06 / FAQ

Frequently Asked.

Common technical and procurement questions. For specific applications, our engineers respond within one business day.

How do I confirm this FAG bearing is 100% genuine?

Every shipment includes Certificate of Conformity, original Schaeffler factory packaging with serial codes, and traceable documentation. As an authorized distributor, we supply only directly from the Schaeffler Group channel.

What is the difference between P4 and P2 precision class?

P4 grade: bore tolerance ±0.004 mm, runout ≤3 µm -- suitable for high-end CNC spindles. P2 grade: ±0.0025 mm bore, runout ≤1.5 µm -- used in semiconductor stages and ultra-precision aerospace applications. Both conform to DIN 620 / ISO 492.

How are bearings packed for international shipping?

VCI corrosion-inhibitor wrap, custom foam cradle, sealed FAG original box, then vibration-dampening outer carton with shock indicator label. Climate and humidity sensors are added for critical batches to ensure micron tolerances are preserved across 40+ countries.

Do you offer matched sets and custom tolerance packages?

Yes. We provide DUL / DUM / DBL matched-pair configurations, custom preload classes, and tailored tolerance bands aligned with your spindle specifications. Lead time for special configurations is typically 2-4 weeks.

What is the typical lead time and minimum order quantity?

In-stock P4/P2 items: 3-5 business days dispatch. No fixed MOQ for stock items -- single-piece orders welcome. Custom matched sets and special configurations: 2-4 weeks. Express priority shipping available globally.

Do you provide installation guidance and engineering support?

Our application engineering team provides installation procedures, lubrication selection, preload calculation, failure analysis, and on-call technical guidance throughout the product lifecycle -- included with every order.
07 / Inquire

Request a quote for
B71912-C-T-P4s-UL

Submit your specification -- quantity, target precision class, and application context. Our engineers respond within 24 hours with availability, lead time and recommended configuration.

Room 328, Building 1, No. 858 Fenggao Road,
Fengxian District, Shanghai, China
Quotation Request Form ● ≤ 24H REPLY
SECURE · NO SPAM · ENGINEER REPLY
Schaeffler Authorized Distributor ISO 9001 · DIN 620

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