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

High Precision FAG B71926-C-T-P4s-DUL Spindle Bearing for Heavy-Duty Machine Tool Spindles
High Precision FAG B71926-C-T-P4s-DUL Spindle Bearing for Heavy-Duty Machine Tool Spindles side angle
High Precision FAG B71926-C-T-P4s-DUL Spindle Bearing for Heavy-Duty Machine Tool Spindles cross section
High Precision FAG B71926-C-T-P4s-DUL Spindle Bearing for Heavy-Duty Machine Tool Spindles dimension drawing
High Precision FAG B71926-C-T-P4s-DUL Spindle Bearing for Heavy-Duty Machine Tool Spindles
High Precision FAG B71926-C-T-P4s-DUL Spindle Bearing for Heavy-Duty Machine Tool Spindles side angle
High Precision FAG B71926-C-T-P4s-DUL Spindle Bearing for Heavy-Duty Machine Tool Spindles cross section
High Precision FAG B71926-C-T-P4s-DUL Spindle Bearing for Heavy-Duty Machine Tool Spindles 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 B71926-C-T-P4s-DUL Spindle Bearing for Heavy-Duty Machine Tool Spindles

Model B71926-C-T-P4s-DUL ● IN STOCK

<p>Ensure peak performance and minimize downtime in your heavy-duty machine tool spindle with the <strong>FAG B71926-C-T-P4s-DUL</strong> spindle bearing, engineered to deliver exceptional running accuracy even under rigorous industrial conditions. This high precision spindle bearing features a 15° contact angle (C design) and P4s precision grade, meeting ISO standards for reliable operation in critical applications like CNC machining centers.</p><ul><li>Directly sourced from official Schaeffler FAG distribution channels, ensuring full traceability documentation to streamline customs clearance and quality compliance</li><li>Shockproof precision logistics and dedicated inventory reservation keep your production schedule on track, eliminating delays from unstable multi-tier supply chains</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 peak performance and minimize downtime in your heavy-duty machine tool spindle with the FAG B71926-C-T-P4s-DUL spindle bearing, engineered to deliver exceptional running accuracy even under rigorous industrial conditions. This high precision spindle bearing features a 15° contact angle (C design) and P4s precision grade, meeting ISO standards for reliable operation in critical applications like CNC machining centers.

  • Directly sourced from official Schaeffler FAG distribution channels, ensuring full traceability documentation to streamline customs clearance and quality compliance
  • Shockproof precision logistics and dedicated inventory reservation keep your production schedule on track, eliminating delays from unstable multi-tier supply chains

Description

Product Specifications

Parameter Details
Model Designation FAG B71926-C-T-P4s-DUL
Precision Class P4, P4s, P2 (ISO)
Contact Angle (α) 15° (C), 25° (E)
Material Steel
Trademark FAG
HS Code 8482800000

Application Industries

Industry Typical Equipment
Machine Tool Manufacturing CNC machining centers, high-speed lathes, precision grinders
Automation Robotic arms, precision linear stages
Aerospace Aircraft component machining equipment
Medical Devices Precision surgical instrument manufacturing machinery

Reduce Spindle Downtime with Genuine FAG B71926-C-T-P4s-DUL Spindle Bearings

OEM manufacturers know the cost of spindle failure—unplanned downtime can halt production lines for days, while counterfeit bearings often fail prematurely under heavy loads. Multi-tier distribution channels delay critical replacements by 30–50%, forcing maintenance teams into emergency sourcing with no guarantee of quality.

Original FAG Spindle Bearings, In-Stock for Immediate Delivery

As an official Schaeffler FAG distributor, Dunyu Bearings provides authentic FAG B71926-C-T-P4s-DUL spindle bearings with full traceability documentation. Our P4/P2 grade stock ensures you get the high precision spindle bearing your heavy-duty machine tool spindle requires, without the wait. Each unit undergoes ISO 9001 and DIN compliant precision testing before shipment, eliminating the risk of receiving substandard components.

Engineered for Heavy-Duty Machine Tool Spindles

The FAG B71926-C-T-P4s-DUL spindle bearing excels in high-speed, heavy-load applications typical of CNC machine tool spindles. With a 15° contact angle (C design) and P4s precision rating, it delivers exceptional running accuracy under radial and axial loads, maintaining stability even during prolonged operation. This performance is critical for applications requiring tight tolerances, such as aerospace component machining and medical device production.

Technical Features That Maximize Spindle Performance

Precision class P4s ensures minimal radial runout and axial clearance, directly reducing vibration in high-speed spindles. The steel construction provides robust durability against mechanical stress, while the optimized internal geometry balances load distribution to extend service life. The bearing’s design accommodates the thermal expansion common in heavy-duty operations, maintaining precision even as temperatures rise. When paired with proper lubrication, these features translate to consistent performance and reduced maintenance intervals.

Avoid Hidden Costs of Counterfeit Spindle Bearings

Non-genuine spindle bearings may cost less upfront but often lead to catastrophic failures. A single counterfeit FAG spindle bearing can cause spindle damage costing 10–20 times the bearing’s value, plus lost production from downtime. In contrast, our authorized supply chain guarantees batch consistency and full documentation, preventing customs clearance delays and quality disputes. By investing in original FAG B71926 spindle bearings, you protect your equipment investment and ensure predictable production schedules.

Why Global Manufacturers Trust Our Bearing Supply

With 40+ countries served and core clients including CNC machine tool OEMs and aerospace manufacturers, we deliver on our commitment to reliability. Our precision application engineering team provides free model selection support based on your specific working conditions. Shockproof precision logistics ensure bearings arrive in factory-fresh condition, while dedicated account managers track every order from warehouse to installation. As an official distributor, we provide complete traceability certificates with each shipment, verifying authenticity back to Schaeffler’s production facilities.

Packaging & Shipping

  • Original FAG packaging with serial number verification and quality certification
  • Reinforced carton pallet packaging to prevent damage during transit
  • 现货 available for delivery within 3–7 business days
  • Global logistics options including DHL, FedEx, UPS, air, and sea freight
  • Real-time tracking provided for all shipments
  • Minimum order quantity: 1 unit, supporting emergency maintenance needs

Secure Your Spindle Performance Today

Don’t let spindle bearing issues disrupt your production. Send us your FAG B71926-C-T-P4s-DUL model requirement, spindle speed, and load parameters, and our team will confirm compatibility and provide a formal quotation within 24 hours. With our stock on hand, you can minimize downtime and get your machine tools back to peak performance quickly.

Frequently Asked Questions

Q: Are these genuine FAG spindle bearings?

A: Yes, we are an official Schaeffler FAG distributor. Every FAG B71926-C-T-P4s-DUL bearing comes with complete traceability documentation and brand authorization certificates.

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

A: Provide your machine model, spindle speed, and operating load parameters. Our precision application engineering team will verify compatibility at no cost.

Q: What is your warranty policy?

A: All bearings come with FAG’s original manufacturer warranty, covering manufacturing defects with unconditional replacement.

Q: What is the minimum order quantity?

A: We accept orders for 1 unit, supporting both emergency repairs and small-batch production needs.

Q: How quickly can you ship the FAG B71926-C-T-P4s-DUL bearing?

A: In-stock bearings ship within 3–7 business days via your choice of DHL, FedEx, UPS, air, or sea freight.

Q: How can I verify the authenticity of the bearing?

A: Each bearing includes FAG’s original packaging with防伪标签, laser-etched part numbers, and serial codes verifiable through Schaeffler’s official channels. We also provide full traceability documents with each order.

Ready to order or need a quote?
Send your FAG B71926-C-T-P4s-DUL bearing requirement, 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
B71926-C-T-P4s-DUL

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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