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

High Precision FAG B7028-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools
High Precision FAG B7028-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools side angle
High Precision FAG B7028-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools cross section
High Precision FAG B7028-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools dimension drawing
High Precision FAG B7028-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools
High Precision FAG B7028-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools side angle
High Precision FAG B7028-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools cross section
High Precision FAG B7028-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 B7028-C-T-P4s-UL Angular Contact Ball Spindle Bearing for CNC Machine Tools

Model B7028-C-T-P4s-UL ● IN STOCK

<p>Achieve unmatched CNC machining precision with the <strong>FAG B7028-C-T-P4s-UL</strong> angular contact ball spindle bearing, engineered to deliver consistent high running accuracy for critical machine tool applications. This 15° contact angle bearing minimizes vibration at high speeds, ensuring your production line maintains tight tolerances and reduces costly downtime.</p><ul><li>Precision grade P4s (ISO standard) guarantees batch stability, eliminating quality inconsistencies that disrupt manufacturing schedules</li><li>Directly sourced from authorized FAG distribution channels, providing complete traceability documentation to streamline customs clearance and compliance</li><li>Robust steel construction optimized for spindle loads, backed by our dedicated technical team for application-specific installation guidance</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

Achieve unmatched CNC machining precision with the FAG B7028-C-T-P4s-UL angular contact ball spindle bearing, engineered to deliver consistent high running accuracy for critical machine tool applications. This 15° contact angle bearing minimizes vibration at high speeds, ensuring your production line maintains tight tolerances and reduces costly downtime.

  • Precision grade P4s (ISO standard) guarantees batch stability, eliminating quality inconsistencies that disrupt manufacturing schedules
  • Directly sourced from authorized FAG distribution channels, providing complete traceability documentation to streamline customs clearance and compliance
  • Robust steel construction optimized for spindle loads, backed by our dedicated technical team for application-specific installation guidance

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
Aerospace Aircraft Engine Components, Precision Machining Equipment
Medical Devices Surgical Instrumentation, High-Precision Imaging Systems
Semiconductor Wafer Processing Machines, Lithography Equipment

Eliminate CNC Downtime Risks with FAG B7028-C-T-P4s-UL Angular Contact Ball Spindle Bearings

CNC machine tool operators know the frustration of unexpected spindle failures—costing $2,000 to $5,000 per hour in downtime. Gray market bearings often fail prematurely due to substandard materials, while multi-tier distributors delay critical replacements by 30–50%. Worse, incomplete traceability documents frequently cause customs clearance delays for export-oriented manufacturers.

Genuine FAG Precision Bearings, In-Stock for Immediate Delivery

As an official Schaeffler FAG distributor, we provide authentic FAG B7028-C-T-P4s-UL angular contact ball spindle bearings with full traceability documentation. Our P4/P2 grade stock ensures you get the exact precision your CNC machine requires, without the wait. Each bearing undergoes ISO 9001 and DIN standard testing before shipment, guaranteeing consistent performance in high-speed spindle applications.

Engineered for High-Speed CNC Spindle Performance

The FAG B7028-C-T-P4s-UL is designed for precision CNC machine tool spindles operating at high rotational speeds. With a 15° contact angle, it efficiently handles radial and axial loads while maintaining exceptional running accuracy—critical for tight-tolerance machining. This spindle bearing excels in continuous-duty applications, providing stable performance even under varying cutting forces common in aerospace and medical component manufacturing.

Technical Specifications That Drive CNC Precision

The P4s precision class of this FAG angular contact ball bearing ensures minimal radial runout and axial clearance, directly translating to superior workpiece surface finish. Its steel construction delivers high rigidity, reducing vibration during high-speed operation. The 15° contact angle optimizes load distribution, extending bearing life by up to 20% compared to standard designs in similar applications. These characteristics make it ideal for precision grinding, milling, and turning operations where dimensional accuracy is non-negotiable.

Why Authenticity Matters for Your Production Line

Counterfeit spindle bearings may cost 30% less upfront but typically fail within 3–6 months, compared to 2–3 years for genuine FAG products. A single spindle failure can damage expensive motor components, requiring complete rebuilds that exceed $15,000. Our bearings come with full manufacturer certification, ensuring compliance with export documentation requirements and eliminating customs clearance delays—a critical advantage for manufacturers serving global markets.

Why CNC Manufacturers Choose Our FAG Bearings

Our 12-year partnership with Schaeffler ensures direct access to original FAG inventory, bypassing costly middlemen. We maintain $5 million+ in stock across 40+ countries, enabling same-day dispatch for urgent orders. Our precision application engineering team provides free pre-installation guidance, helping reduce fitting errors that account for 30% of premature bearing failures. Every shipment includes shockproof packaging and real-time logistics tracking, with dedicated account managers monitoring delivery from warehouse to your production floor.

Packaging & Shipping

  • Original FAG packaging with tamper-evident seals and batch traceability labels
  • Reinforced carton pallets for shock protection during transit
  • Global delivery via DHL, FedEx, or UPS with 3–7 business day lead times
  • End-to-end shipment tracking with proactive delay notifications
  • Flexible order quantities—from single units for emergency repairs to bulk OEM supply

Secure Your CNC Spindle Performance Today

Every hour of spindle downtime erodes your profit margin. Our in-stock FAG B7028-C-T-P4s-UL bearings are ready to ship, with technical support available to confirm compatibility with your specific CNC model. Send your requirements now to avoid production disruptions.

Frequently Asked Questions

Q: Are these genuine FAG bearings?

A: Yes, we are an official Schaeffler FAG distributor. Each bearing comes with original certification and full supply chain traceability documentation.

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

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

Q: What is the warranty coverage?

A: All FAG bearings are backed by the manufacturer’s standard warranty, covering manufacturing defects with no-questions-asked replacement.

Q: What is the minimum order quantity?

A: We accept orders for 1 unit, supporting both emergency repairs and scheduled maintenance needs.

Q: How quickly can you ship?

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

Q: How can I verify bearing authenticity?

A: Each bearing includes FAG’s holographic label and unique serial number, verifiable through the official Schaeffler database. We provide full traceability certificates with every order.

Ready to order or need a quote?
Send your bearing designation, CNC machine model, and quantity — we’ll respond with a formal quotation and availability 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
B7028-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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