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Bearings
Angular Contact Ball Bearings
  • 7306BE 2CS Angular Contact Ball Bearing 3904 2rs
  • 7306BE 2CS Angular Contact Ball Bearing 3904 2rs
  • 7306BE 2CS Angular Contact Ball Bearing 3904 2rs
  • 7306BE 2CS Angular Contact Ball Bearing 3904 2rs
  • 7306BE 2CS Angular Contact Ball Bearing 3904 2rs
  • 7306BE 2CS Angular Contact Ball Bearing 3904 2rs
7306BE 2CS Angular Contact Ball Bearing 3904 2rs

7306BE 2CS Angular Contact Ball Bearing 3904 2rs

  • >= 2 Pieces
    $44

Customization:

Customized logo（Min.Order: 1000 pieces）
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7306BE 2CS Angular Contact Ball Bearing 3904 2rs

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High Load Capacity: Designed to handle combined radial and axial loads, ideal for applications requiring precision and durability.
  • Angular Contact Design: Enables support for thrust loads in one direction, optimizing performance in high-speed and high-precision machinery.

Key features

  • 1. Material Technology

    • With chrome steel construction, ensure exceptional durability and corrosion resistance, outperforming standard steel in harsh industrial environments*.

  • 2. Interactive Design

    • With an angular contact structure, handle combined radial and axial loads efficiently, enabling optimized performance in precision machinery like turbines and机床*.

  • 3. Performance Parameters

    • With V1/V4 precision ratings, achieve minimal vibration and smooth operation at high speeds, surpassing non-precision bearings in critical applications*.

  • 4. Scenario Solutions

    • The 2RS sealing design provides superior protection against dust and moisture compared to open or ZZ seals, extending service life in demanding industrial settings*.

  • 5. Certification Standards

    • Chrome steel meets ISO material specifications, ensuring compliance with global industrial safety and quality standards for bearing applications.

Product details

7306BE 2CS Angular Contact Ball Bearing 3904 2rs

The 7306BE 2CS Angular Contact Ball Bearing 3904 2rs is engineered for high-performance applications requiring precision, durability, and reliability. Designed with a single-row angular contact structure, this bearing supports radial and axial loads while maintaining smooth operation at high speeds. Its chrome steel construction ensures corrosion resistance, while customizable sealing options (2RS, ZZ, open) adapt to diverse environmental conditions.

Technical specifications

FeatureSpecificationApplication Scenario
Bore Size120mmFits shafts requiring a 120mm diameter interface
MaterialChrome SteelEnsures corrosion resistance in harsh environments
Cage MaterialSteelEnhances load distribution and rotational stability
Sealing Type2RS, ZZ, Open2RS for dusty environments; ZZ for moderate contamination; open for clean settings
StructureAngular ContactOptimized for combined radial and axial load applications
VibrationV1, V4, >V4V4+ ratings for precision machinery with minimal noise requirements

Customization guide

Adjustable parameters include sealing type (2RS for dust resistance, ZZ for moisture protection, or open for grease-lubricated systems) and vibration tolerance (V1 for standard use, V4+ for precision machinery). Custom bore sizes or material grades (e.g., ceramic rollers for high-temperature applications) can be tailored to meet specific operational demands.

Get inspired

With its angular contact design, this bearing excels in high-speed machinery, robotics, and precision equipment. Pair the 2RS sealing option with industrial conveyors to prevent dust ingress, or choose the open type for lubricated gearboxes.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Radial Load120 kN+15% (138 kN)+30% (156 kN)*
Max Speed4,500 RPM5,200 RPM6,000 RPM
VibrationV1V4>V4 (ISO P5)
Corrosion ResistanceStandard+20% (marine-grade coating)Military-grade (MIL-STD-810)

Supplier's note

  1. Three Technical Breakthroughs:

    • Angular Contact Design: Enables simultaneous radial and axial load handling, ideal for high-speed spindles.
    • Chrome Steel Construction: Reduces wear by 30% compared to standard steel, extending lifespan in corrosive environments.
    • ISO Vibration Ratings: The Pro model’s >V4 rating cuts noise by 40% in precision CNC machinery.

  2. Optimal Version Selection:

    • Base Model: Suitable for standard industrial applications (e.g., pumps, motors) where cost efficiency is prioritized.
    • Advanced Model: Best for robotics and aerospace systems needing +15% load capacity and V4 vibration control.
    • Pro Model: Required for extreme environments (e.g., offshore machinery) where corrosion resistance and >V4 precision are critical.

With the Pro version’s military-grade coating, you can operate in saltwater environments without corrosion. Pair its >V4 rating with CNC machining to achieve sub-micron tolerances. The Advanced Model’s 5,200 RPM speed outperforms industry benchmarks by 15%, making it ideal for high-throughput assembly lines.

Frequently asked questions

  • Which angular contact ball bearing suits high-speed applications with axial loads?

  • How do I maintain the seals of a 7306BE 2CS bearing with 2RS sealing?

  • Chrome steel vs stainless steel: Which is better for corrosive environments?

  • Can I customize the sealing type for the 7306BE 2CS bearing?

  • Is the 7306BE 2CS bearing compliant with vibration standards?

  • Which bearing handles both radial and axial loads better: angular contact or radial?

  • What makes the steel cage in 7306BE 2CS bearings durable?

  • Are 7306BE 2CS bearings suitable for industrial vs automotive use?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Bore Size (120mm)Industrial machinery, pumps, turbinesPrecision bore diameter (ISO 286-2 tolerance H7)Ensures exact shaft fit for critical alignmentLimited to specific shaft sizes
Material (Chrome Steel)High-stress environments (e.g., engines)Chrome-vanadium steel (ASTM A228, 1Crl7)30% higher fatigue resistance vs carbon steelHeavier than aluminum alternatives
Sealing Type (2RS)Harsh environments (dust/oil exposure)Double rubber seals (IP55 protection, ISO 15243)▲▲▲ Industry Standard (Open) → Our Advanced (2RS)
Prevents ingress in contaminated settings		Increased friction vs open bearings
Vibration Tolerance (V4)Precision equipment (robotics, CNC)Vibration ≤ 8 µm (ISO 20611 V4)▲ Our Base (V1) → Our Advanced (V4)
Operates smoothly in high-vibration zones		Higher cost due to tighter tolerances
Cage Material (Steel)High-speed applications (spindles)Steel-reinforced cage (ISO 14712)Withstands centrifugal forces at 12,000 RPMHeavier than polymer cages (adds inertia)
Angular Contact DesignAxial load-heavy systems (turbines)15° contact angle (ISO 15)Handles 30% axial load vs radial bearingsReduced radial load capacity vs ball bearings

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