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  • Excavator Final Drive Reduction Gearbox Floating Oil Seal LE00993 Main Bearing LB00791 for Case CX290B CX350B CX460 CX470C
  • Excavator Final Drive Reduction Gearbox Floating Oil Seal LE00993 Main Bearing LB00791 for Case CX290B CX350B CX460 CX470C
  • Excavator Final Drive Reduction Gearbox Floating Oil Seal LE00993 Main Bearing LB00791 for Case CX290B CX350B CX460 CX470C
  • Excavator Final Drive Reduction Gearbox Floating Oil Seal LE00993 Main Bearing LB00791 for Case CX290B CX350B CX460 CX470C
  • Excavator Final Drive Reduction Gearbox Floating Oil Seal LE00993 Main Bearing LB00791 for Case CX290B CX350B CX460 CX470C
  • Excavator Final Drive Reduction Gearbox Floating Oil Seal LE00993 Main Bearing LB00791 for Case CX290B CX350B CX460 CX470C
Excavator Final Drive Reduction Gearbox Floating Oil Seal LE00993 Main Bearing LB00791 for Case CX290B CX350B CX460 CX470C

Excavator Final Drive Reduction Gearbox Floating Oil Seal LE00993 Main Bearing LB00791 for Case CX290B CX350B CX460 CX470C

$20.00-$200.00/ Piece|2 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
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Excavator Final Drive Reduction Gearbox Floating Oil Seal LE00993 Main Bearing LB00791 for Case CX290B CX350B CX460 CX470C

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Main Bearing LB00791: Reduces friction and supports high radial loads in excavator final drive gearboxes, ensuring smooth power transmission in heavy-duty operations.
  • Floating Oil Seal LE00993: Prevents lubricant leakage and external contamination, maintaining optimal performance in harsh construction environments.

Key features

  • 1. High-Strength Alloy Steel Construction

    • With corrosion-resistant alloy steel material, you can achieve exceptional durability and longevity under heavy mechanical stress compared to standard steel components*.

  • 2. Engineered for Extreme Radial Load Capacity

    • Engineered to handle radial loads up to 15,000 N, this bearing outperforms conventional models in excavator final drives for heavy-duty operations*.

  • 3. Floating Oil Seal Design for Leak Prevention

    • With a floating oil seal mechanism, you can eliminate lubricant leakage even under dynamic movement, surpassing fixed-seal durability by up to 40%*.

  • 4. Precision Compatibility with Case Excavator Models

    • Designed specifically for Case CX290B/CX350B/CX460/CX470C excavators, ensuring seamless integration without modification*

  • 5. Certified Material Compliance for Industrial Use

    • Manufactured with steel meeting ASTM A36 standards, guaranteeing superior mechanical strength and compliance with global industrial safety regulations.

Product details

Excavator Final Drive Reduction Gearbox Floating Oil Seal LE00993 Main Bearing LB00791 for Case CX290B CX350B CX460 CX470C

The Excavator Final Drive Reduction Gearbox Floating Oil Seal LE00993 Main Bearing LB00791 is engineered for precision and durability in heavy-duty construction machinery. Compatible with Case CX290B, CX350B, CX460, CX470C models, this product combines alloy steel and steel materials to ensure robust performance under extreme loads and temperatures. Designed for seamless integration with Sumitomo systems, it features a spherical bearing design and advanced sealing technology to optimize reliability in harsh environments.

Technical specifications

FeatureSpecificationBenefit
MaterialSteel, Alloy SteelEnhanced durability and corrosion resistance
TypeMain Bearing (LB00791), Oil Seal (LE00993)Supports radial/axial loads and prevents leakage
CompatibilitySumitomo, Case CX series excavatorsEnsures direct fitment and operational synergy
Load Capacity1,200 kN (radial), 300 kN (axial)Handles heavy-duty excavator workloads
Rotational SpeedUp to 1,500 RPMMaintains efficiency in high-speed operations
Operating Temp.-30°C to 120°CReliable performance in extreme environments
Shelf Life1 yearGuaranteed freshness and functionality

Customization guide

Adjustable parameters include:

  • Material composition (e.g., high-carbon steel for corrosive environments)
  • Seal lubrication type (oil-based vs. grease for specific applications)
  • Bearing geometry (custom taper angles for unique load distributions)

Get inspired

With the LB00791 spherical main bearing, you can reduce friction and misalignment issues in excavators operating on uneven terrain. The LE00993 floating oil seal ensures zero leakage even under prolonged pressure, extending gearbox lifespan.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity1,000 kN+15% (1,150 kN)+30% (1,300 kN)*
Rotational Speed1,200 RPM1,380 RPM1,560 RPM
Temp. Range-20°C to 100°C-30°C to 110°C-30°C to 120°C
Seal TypeStandardEnhanced EPDMPremium Viton®

Supplier's note

  1. Technical Breakthroughs:

    • Alloy Steel Core: 30% stronger than traditional steel, enabling heavier load handling.
    • Spherical Bearing Design: Accommodates ±3° angular misalignment, reducing downtime in uneven terrain.
    • Viton® Seals (Pro Model): 50% more resistant to chemicals than standard EPDM seals.

  2. Version Selection Guide:

    • Base Model: Ideal for standard construction sites with predictable loads (e.g., roadwork).
    • Advanced Model: Suitable for mining or heavy demolition, where prolonged high temperatures and moderate corrosion risks exist.
    • Pro Model: Best for extreme environments (e.g., Arctic drilling or chemical plants) requiring peak load capacity and chemical resistance.

*Pro Model’s 1,300 kN load capacity exceeds industry benchmarks by 20%, ensuring unmatched reliability in heavy excavator applications.

Frequently asked questions

  • Which excavator models is the LB00791 Main Bearing compatible with?

  • How do I maintain the LE00993 Floating Oil Seal for longevity?

  • Why is alloy steel preferred for the LB00791 Main Bearing over other materials?

  • Can the LB00791 Main Bearing be customized for non-Case excavator models?

  • Is the LE00993 Oil Seal certified for heavy-duty construction use?

  • In which machinery applications is the LB00791 Main Bearing most effective?

  • What is the recommended storage duration for the LE00993 Floating Oil Seal?

  • How does the LB00791 Main Bearing enhance excavator performance under heavy loads?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy machinery under extreme stressAlloy Steel Construction (ASTM A204 Grade E) ▲▲
*(Base: Steel		Advanced: Alloy Steel)*Enhanced durability and corrosion resistance for harsh environments
CompatibilityBrand-specific machinery repairSumitomo-Certified Compatibility ▲
(Industry: Generic fit)		Precise fit for Case CX series excavators (Sumitomo standard)Limited to specific brands/models; not universally compatible
Shelf LifeLong-term storage before installation12-Month Shelf Life (ISO 18092) ▲▲Extended usability without degradation for delayed projectsRequires controlled storage conditions to maintain performance
Load CapacityHigh-load industrial applications500 kN Radial Load (ISO 281) ▲▲
*(Base: 300 kN		Advanced: 500 kN)*Supports heavy-duty excavator operations (e.g., digging, lifting)
Sealing PerformanceHigh-pressure hydraulic systemsFloating Oil Seal (ISO 3760, 100 bar pressure resistance) ▲Prevents oil leakage in aggressive environments (e.g., dusty/poorly aligned shafts)Requires precise installation to maintain alignment and pressure
Angular MisalignmentMisaligned shaft applications2° Tolerance (ISO 15) ▲
(Industry Standard: 1°)		Accommodates imperfect alignment in aging machineryReduced lifespan if misalignment exceeds 2°

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