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

Double Row Angular Contact Ball Bearing FAG 3303 for Excavator Gearbox P0/P6/P5 Precision
Double Row Angular Contact Ball Bearing FAG 3303 for Excavator Gearbox P0/P6/P5 Precision side angle
Double Row Angular Contact Ball Bearing FAG 3303 for Excavator Gearbox P0/P6/P5 Precision cross section
Double Row Angular Contact Ball Bearing FAG 3303 for Excavator Gearbox P0/P6/P5 Precision dimension drawing
Double Row Angular Contact Ball Bearing FAG 3303 for Excavator Gearbox P0/P6/P5 Precision
Double Row Angular Contact Ball Bearing FAG 3303 for Excavator Gearbox P0/P6/P5 Precision side angle
Double Row Angular Contact Ball Bearing FAG 3303 for Excavator Gearbox P0/P6/P5 Precision cross section
Double Row Angular Contact Ball Bearing FAG 3303 for Excavator Gearbox P0/P6/P5 Precision 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

Double Row Angular Contact Ball Bearing FAG 3303 for Excavator Gearbox P0/P6/P5 Precision

<p>Ensure your excavator gearbox maintains peak performance with the <strong>FAG 3303 bearing</strong>, a double row angular contact solution engineered for reliable power transmission and reduced downtime. Crafted to P0/P6/P5 precision standards (compliant with DIN 628-3 and ISO 15:2017), this bearing delivers consistent radial and axial load handling—critical for heavy-duty excavation applications.</p><ul><li>Polyamide (Tvh), sheet steel, or brass (MP) cage options accommodate varying operating temperatures and load conditions, ensuring long-term durability in harsh work environments.</li><li>Open, 2Z, or 2HRS seal configurations prevent contamination while maintaining optimal lubrication, directly addressing common gearbox maintenance headaches.</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 excavator gearbox maintains peak performance with the FAG 3303 bearing, a double row angular contact solution engineered for reliable power transmission and reduced downtime. Crafted to P0/P6/P5 precision standards (compliant with DIN 628-3 and ISO 15:2017), this bearing delivers consistent radial and axial load handling—critical for heavy-duty excavation applications.

  • Polyamide (Tvh), sheet steel, or brass (MP) cage options accommodate varying operating temperatures and load conditions, ensuring long-term durability in harsh work environments.
  • Open, 2Z, or 2HRS seal configurations prevent contamination while maintaining optimal lubrication, directly addressing common gearbox maintenance headaches.

Description

Product Specifications

Parameter Details
Model NO. Double Row Angular Contact Ball Bearing
Separated Separated
Rows Number Double
Material Bearing Steel
Standard DIN 628-3, ISO 15:2017
Series 32 Series, 33 Series (32bd, 33bd, 32da, 33da)
Cage Polyamide (Tvh), Sheet Steel, Brass (MP) Cage
Seal Type Open, 2z, 2hrs
Precision P0 /P6 /P5
Transport Package Carton Pallet
Trademark FAG
Origin Jiangsu China
HS Code 8482800000

Application Industries

Industry Typical Equipment
Construction Machinery Excavator Gearboxes
Industrial Machinery Transmission Systems, Reducers

Stop Gearbox Failures with Genuine FAG 3303 Double Row Angular Contact Ball Bearing

Excavator operators know the cost of unexpected downtime—every hour a machine sits idle eats into profitability. Gray market bearings often fail prematurely under heavy loads, losing precision and triggering gearbox malfunctions that require costly repairs and replacement parts. Sourcing from unreliable channels also raises risks of customs delays due to incomplete traceability documentation, leaving your equipment stuck when you need it most.

Genuine FAG 3303 Bearings: In Stock and Fully Traceable

As an official Schaeffler FAG distributor, we provide 100% authentic FAG 3303 gearbox bearings with complete traceability certificates, eliminating counterfeit risks and customs obstacles. Our P0/P6/P5 precision inventory ensures you get the right bearing for your excavator’s gearbox—whether for routine maintenance or emergency replacements. Every unit undergoes ISO 9001 and DIN-compliant precision testing before shipping, guaranteeing consistent performance under heavy axial and radial loads.

Engineered for Excavator Gearbox Demands

The FAG 3303 double row angular contact ball bearing is specifically designed to handle the harsh operating conditions of excavator gearboxes. Its double row construction delivers superior load capacity, while separated inner and outer rings allow for easy installation and axial adjustment. Whether your excavator operates in dusty construction sites or high-vibration environments, this bearing maintains stable rotation and minimizes wear, extending gearbox service life.

Precision Parameters That Matter for Gearbox Performance

Our FAG 3303 bearings are available in P0/P6/P5 precision grades to match your application requirements. P5 grade offers the tightest tolerances, critical for high-precision gearboxes where minimal radial runout reduces noise and vibration. The bearing’s cage options—polyamide, sheet steel, or brass—provide flexibility: polyamide cages reduce friction in high-speed applications, while brass cages offer durability in heavy-load scenarios. Seal types (Open, 2Z, 2HRS) further adapt to your environment, with 2HRS seals providing enhanced protection against contamination in muddy or dusty worksites.

Why Genuine FAG Bearings Lower Total Costs

Choosing unauthorized FAG 3303 bearings may seem cheaper upfront, but the hidden costs add up quickly. Counterfeit bearings often lack proper heat treatment, leading to premature fatigue and gearbox failures that cost 5–10 times the bearing price in repairs. Our genuine FAG bearings, backed by DIN 628-3 and ISO 15:2017 standards, ensure predictable performance and longer service intervals, reducing maintenance downtime and total ownership costs for your excavator fleet.

Why Global Buyers Trust Our FAG Bearings

With over a decade as an authorized FAG distributor, we serve CNC machine tool OEMs, wind power producers, and construction equipment manufacturers across 40+ countries. Our precision application engineering team provides free model selection support based on your excavator’s gearbox specifications, ensuring optimal bearing performance. We maintain dedicated inventory for P4/P2 grade bearings, with shockproof logistics that protect bearings during transit. Every order includes a formal quotation with brand authorization documents within 24 hours, and a dedicated account manager tracks your shipment from warehouse to delivery.

Packaging & Shipping

  • Original FAG packaging with防伪标签 and batch traceability documentation
  • Carton pallet packaging for secure transportation
  • 3–7 business days delivery for in-stock items
  • Flexible shipping via DHL, FedEx, UPS, air, or sea freight
  • Real-time logistics tracking provided for all orders
  • Minimum order quantity: 1 unit, supporting emergency repairs

Get Your FAG 3303 Bearing Shipped Today

Don’t let gearbox downtime impact your project deadlines. Send us your excavator model, gearbox specifications, and required quantity, and our team will confirm compatibility and issue a quotation within 24 hours. With our ready stock and global logistics network, you can have your FAG 3303 bearing delivered quickly to get your equipment back to work.

Frequently Asked Questions

Q: Are these genuine FAG bearings?

A: Yes, we are an official authorized Schaeffler FAG distributor. Every FAG 3303 bearing comes with complete traceability documentation and brand authorization certificates to verify authenticity.

Q: How do I confirm the FAG 3303 is compatible with my excavator gearbox?

A: Provide your excavator model, gearbox make, and operating parameters (load, speed, temperature), and our technical team will verify compatibility and recommend the appropriate precision grade and seal type.

Q: What is the warranty policy for FAG 3303 bearings?

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

Q: What is the minimum order quantity?

A: We accept orders for 1 unit, making it easy to source emergency replacement bearings for unexpected breakdowns.

Q: How long does shipping take?

A: In-stock FAG 3303 bearings ship within 3–7 business days via your preferred logistics method (DHL, FedEx, UPS, air, or sea freight).

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

A: Check for the FAG laser-etched logo on the bearing rings, scan the packaging’s QR code to access traceability records, and verify the batch number against the provided certification documents.

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
this FAG bearing

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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