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

Precision Grinding Machine Spindle Bearing FAG B71909-C-T-P4s-Um P4 ISO Certified
Precision Grinding Machine Spindle Bearing FAG B71909-C-T-P4s-Um P4 ISO Certified side angle
Precision Grinding Machine Spindle Bearing FAG B71909-C-T-P4s-Um P4 ISO Certified cross section
Precision Grinding Machine Spindle Bearing FAG B71909-C-T-P4s-Um P4 ISO Certified dimension drawing
Precision Grinding Machine Spindle Bearing FAG B71909-C-T-P4s-Um P4 ISO Certified
Precision Grinding Machine Spindle Bearing FAG B71909-C-T-P4s-Um P4 ISO Certified side angle
Precision Grinding Machine Spindle Bearing FAG B71909-C-T-P4s-Um P4 ISO Certified cross section
Precision Grinding Machine Spindle Bearing FAG B71909-C-T-P4s-Um P4 ISO Certified 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

Precision Grinding Machine Spindle Bearing FAG B71909-C-T-P4s-Um P4 ISO Certified

Model B71909-C-T-P4s-Um ● IN STOCK

<p>Ensure your precision grinding machine delivers unrivaled spindle performance with the <strong>FAG B71909-C-T-P4s-Um</strong> ISO-certified bearing, engineered to maintain P4-grade running accuracy even under continuous high-speed operation. As an official FAG distributor, we provide full traceability documentation to streamline your production compliance and eliminate customs clearance delays.</p><ul><li>15° contact angle (C design) optimizes axial load capacity for precision grinding applications, reducing vibration-induced tool wear</li><li>Shockproof logistics and dedicated inventory reservation ensure consistent delivery cycles that align with your production scheduling</li><li>ISO 9001/DIN compliant testing guarantees batch stability, critical for maintaining tight tolerances in aerospace and medical device manufacturing</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

Ensure your precision grinding machine delivers unrivaled spindle performance with the FAG B71909-C-T-P4s-Um ISO-certified bearing, engineered to maintain P4-grade running accuracy even under continuous high-speed operation. As an official FAG distributor, we provide full traceability documentation to streamline your production compliance and eliminate customs clearance delays.

  • 15° contact angle (C design) optimizes axial load capacity for precision grinding applications, reducing vibration-induced tool wear
  • Shockproof logistics and dedicated inventory reservation ensure consistent delivery cycles that align with your production scheduling
  • ISO 9001/DIN compliant testing guarantees batch stability, critical for maintaining tight tolerances in aerospace and medical device manufacturing

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 grinding machines, precision lathes, milling centers
Machine Tools Spindle units, high-speed machining centers

Stop Spindle Failures — Get Genuine FAG B71909-C-T-P4s-Um Spindle Bearings Delivered Fast

Grinding machine operators know the cost of unexpected spindle downtime—hours of lost production, missed deadlines, and expensive repairs. Many face counterfeit bearings that fail prematurely or multi-layer distributors with inconsistent delivery times, making it nearly impossible to maintain production schedules.

Genuine FAG B71909 Spindle Bearings, In Stock and Traceable

As an official Schaeffler FAG distributor, we provide 100% original FAG B71909-C-T-P4s-Um spindle bearings with full traceability documentation. Our P4/P2 grade stock ensures you get the precision grinding bearing you need without long lead times, directly supporting your production continuity.

Engineered for High-Speed Grinding Machine Spindles

The FAG B71909-C-T-P4s-Um spindle bearing is designed for the rigorous demands of precision grinding machines. With a 15° contact angle (C design) and P4 ISO precision rating, it delivers exceptional running accuracy at high rotational speeds—critical for maintaining tight tolerances in metalworking applications. Whether for surface grinders or cylindrical grinders, this bearing ensures stable performance under radial and axial loads.

Technical Details That Maximize Spindle Performance

Three key features define the performance of this ISO certified spindle bearing for grinding machine applications. First, the P4 precision class guarantees minimal radial runout and axial play, essential for achieving mirror-finish grind quality. Second, the steel cage design enhances rigidity and heat dissipation, allowing sustained operation at elevated speeds. Third, the C-type contact angle balances load capacity and stiffness, optimizing spindle dynamics in high-precision machining environments. These attributes collectively reduce vibration, extend tool life, and improve overall part accuracy.

The Hidden Costs of Non-Certified Grinding Bearings

Choosing non-ISO certified spindle bearings may seem cost-effective initially, but the long-term consequences are significant. Counterfeit bearings often lack proper material heat treatment, leading to premature fatigue and spindle seizures—costing up to 10x the bearing price in downtime and repairs. Our FAG B71909-C-T-P4s-Um bearings come with full precision certification, ensuring batch consistency and compliance with international quality standards, ultimately lowering your total cost of ownership.

Why Grinding Machine OEMs Trust Our FAG Bearings

Our 15+ years as an authorized FAG distributor gives us unique expertise in precision bearing applications. We serve over 40 countries, including core markets in Germany and Italy, supporting CNC machine tool OEMs and high-end manufacturing facilities. Every bearing undergoes inspection through our ISO 9001 & DIN compliant testing system before shipment. Our dedicated precision application engineering team provides free model selection support based on your spindle speed, load, and operating temperature requirements. With shockproof logistics packaging and real-time order tracking, we ensure your FAG precision spindle bearing arrives in perfect condition, exactly when you need it.

Packaging & Shipping

  • Original FAG packaging with serial number traceability
  • Reinforced carton pallet for shock protection during transit
  • 现货 available for 3-7 business day delivery
  • DHL, FedEx, or UPS shipping options with real-time tracking
  • Minimum order quantity: 1 piece, supporting emergency repairs

Secure Your Grinding Machine Spindle Performance Today

Don’t let spindle bearing issues disrupt your production schedule. Send us your FAG B71909 bearing requirements, including quantity and application details, and our team will provide a formal quotation within 24 hours. With our ready stock and technical support, you can minimize downtime and maintain the precision your operations demand.

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 and traceability certificates to confirm authenticity.

Q: How do I confirm if this bearing fits my grinding machine spindle?

A: Provide your machine model or spindle specifications (speed, load, operating temperature), and our precision application engineering team will verify compatibility at no cost.

Q: What is your warranty policy?

A: We adhere to FAG’s original warranty standards, covering manufacturing defects with unconditional replacement or refund.

Q: What is the minimum order quantity?

A: We accept orders starting from 1 piece to support both emergency repairs and small-batch requirements.

Q: How quickly can you ship the FAG B71909 bearing?

A: 现货 inventory allows delivery within 3-7 business days via DHL, FedEx, or UPS, with tracking provided once shipped.

Q: How can I verify the bearing’s authenticity upon receipt?

A: Each bearing includes FAG’s original packaging with holographic labels and serial numbers. We also provide full traceability documents for cross-verification on 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
B71909-C-T-P4s-Um

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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