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

Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um 30x47x9mm for CNC Machine Tools
Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um 30x47x9mm for CNC Machine Tools side angle
Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um 30x47x9mm for CNC Machine Tools cross section
Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um 30x47x9mm for CNC Machine Tools dimension drawing
Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um 30x47x9mm for CNC Machine Tools
Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um 30x47x9mm for CNC Machine Tools side angle
Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um 30x47x9mm for CNC Machine Tools cross section
Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um 30x47x9mm 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

Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um 30x47x9mm for CNC Machine Tools

Model B71915-C-T-P4s-Um ● IN STOCK

<p>Boost your CNC machine tool's performance with the <strong>Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um</strong>, designed to deliver exceptional running accuracy and stability for high-speed machining operations. This FAG spindle bearing (30x47x9mm) ensures consistent precision with P4/P4s grade tolerance, critical for maintaining tight tolerances in aerospace and medical device manufacturing.</p><ul><li>15° contact angle (C design) optimizes axial load capacity, reducing vibration and extending spindle life during heavy-duty cutting</li><li>Direct OEM supply guarantees full traceability documentation, streamlining customs clearance and quality compliance for global shipments</li><li>Shockproof precision logistics ensure the bearing arrives in factory-fresh condition, eliminating installation delays from damaged components</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 your CNC machine tool’s performance with the Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um, designed to deliver exceptional running accuracy and stability for high-speed machining operations. This FAG spindle bearing (30x47x9mm) ensures consistent precision with P4/P4s grade tolerance, critical for maintaining tight tolerances in aerospace and medical device manufacturing.

  • 15° contact angle (C design) optimizes axial load capacity, reducing vibration and extending spindle life during heavy-duty cutting
  • Direct OEM supply guarantees full traceability documentation, streamlining customs clearance and quality compliance for global shipments
  • Shockproof precision logistics ensure the bearing arrives in factory-fresh condition, eliminating installation delays from damaged components

Description

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
Trademark FAG
Origin Jiangsu China
HS Code 8482800000

Application Industries

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

Stop CNC Downtime with Genuine B71915-C-T-P4s-Um Super Precision Spindle Bearings

CNC machine tool operators know the cost of spindle failure—unplanned downtime, scrapped workpieces, and missed deadlines. Many face counterfeit bearings that fail prematurely, or multi-tier distributors with inconsistent delivery times that disrupt production schedules. Choosing the wrong precision bearing can compromise machining accuracy, leading to costly rework and customer complaints.

Genuine FAG Spindle Bearings, In Stock and Traceable

Our Super Precision Angular Contact Ball Spindle Bearing B71915-C-T-P4s-Um (30x47x9mm) solves these challenges. As an official FAG distributor, we ensure 100% genuine products with complete traceability documentation, eliminating customs clearance issues and quality disputes. With dedicated P4/P2 grade stock, we support both emergency repairs and scheduled production needs, delivering directly to your facility without unnecessary delays.

Engineered for High-Speed CNC Spindle Performance

This FAG spindle bearing is designed for the rigorous demands of CNC machine tool spindles, where high rotational speeds and precise axial load handling are critical. The 15° contact angle (C design) optimizes load distribution under high-speed conditions, while the P4s precision class ensures minimal runout and maximum machining accuracy. Whether用于 vertical machining centers or horizontal lathes, this bearing maintains stability even during extended production runs.

Technical Specifications That Matter for CNC Performance

The B71915-C-T-P4s-Um bearing’s precision grade directly impacts spindle performance—P4s classification guarantees tight dimensional tolerances, reducing vibration and improving surface finish quality. The steel material provides robust durability, capable of withstanding the thermal stresses of continuous operation. The contact angle geometry balances radial and axial load capacities, a key factor in maintaining spindle rigidity during heavy cutting operations. Together, these features contribute to longer bearing life and consistent machine tool performance.

Why Genuine FAG Bearings Reduce Total Cost of Ownership

Counterfeit bearings may offer lower upfront prices, but they often result in hidden costs: premature failures requiring emergency replacements, increased maintenance labor, and production losses from unplanned downtime. Genuine FAG bearings from authorized distributors like Dunyu Bearings provide predictable performance, reducing the risk of catastrophic spindle damage. With full compliance documentation, they also simplify export processes for manufacturers shipping machinery internationally, avoiding costly customs delays.

Our Commitment to CNC Manufacturers

As a specialized FAG distributor with ISO 9001 & DIN compliant testing systems, we offer more than just products. Our precision application engineering team provides technical support for model selection and installation, helping you avoid costly选型 errors. We serve high-end manufacturing customers across 40+ countries, with a track record of delivering shockproof precision logistics and customized OEM solutions. Every order includes brand authorization and traceability certificates, ensuring you receive the exact bearing specified for your CNC equipment.

Packaging & Shipping

  • Original FAG packaging with protective inner cartons and outer pallet reinforcement
  • Stock items shipped within 3-7 business days from our Shanghai warehouse
  • Global delivery via DHL, FedEx, UPS, air freight, or sea freight as required
  • Real-time tracking numbers provided for all shipments
  • Flexible order quantities from single units for emergency repairs to bulk OEM supply

Get Your B71915-C-T-P4s-Um Bearing Shipped Today

Don’t let spindle bearing issues disrupt your production schedule. Send us your order details, including quantity and application requirements, and our team will prepare a formal quotation with certification documents within 24 hours. With our dedicated inventory and direct distribution model, we can have your bearings on the way faster than traditional multi-tier suppliers.

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 CNC spindle?

A: Provide your machine model or spindle specifications, and our precision application engineering team will verify compatibility at no cost.

Q: What is the warranty policy?

A: All FAG bearings are covered by the manufacturer’s warranty against manufacturing defects. We provide full support for warranty claims and replacements.

Q: What is the minimum order quantity?

A: We accept orders for 1 unit, supporting both emergency repair needs and large-scale OEM production.

Q: How long does shipping take to [my country]?

A: Stock items ship within 3-7 business days. Transit time depends on location—typically 3-5 days for major global cities via express courier.

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

A: Check the packaging for FAG’s official holographic labels and scan the QR code for online verification. We also provide complete traceability documents with each shipment.

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
B71915-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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