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  • BT2B445539cc Bearing Auto Wheel Hub Bearing BT2B 445539 CC
  • BT2B445539cc Bearing Auto Wheel Hub Bearing BT2B 445539 CC
  • BT2B445539cc Bearing Auto Wheel Hub Bearing BT2B 445539 CC
  • BT2B445539cc Bearing Auto Wheel Hub Bearing BT2B 445539 CC
  • BT2B445539cc Bearing Auto Wheel Hub Bearing BT2B 445539 CC
  • BT2B445539cc Bearing Auto Wheel Hub Bearing BT2B 445539 CC
BT2B445539cc Bearing Auto Wheel Hub Bearing BT2B 445539 CC
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BT2B445539cc Bearing Auto Wheel Hub Bearing BT2B 445539 CC

  • 2 - 99 Pieces
    $20
  • 100 - 999 Pieces
    $15
  • 1000 - 999999 Pieces
    $10
  • >= 1000000 Pieces
    $5
View product details

BT2B445539cc Bearing Auto Wheel Hub Bearing BT2B 445539 CC

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Wheel Hub Support: Designed to reduce friction and support rotational loads in automotive wheel hubs, ensuring smooth operation and durability under high stress.
  • Precision Engineering: Built with chrome steel for enhanced strength and corrosion resistance, featuring steel cages to maintain component alignment during high-speed rotation.

Key features

  • 1. Corrosion-Resistant Chrome Steel Construction

    • With corrosion-resistant chrome steel material, the BT2B445539cc Bearing withstands harsh environmental conditions better than standard steel bearings*.

  • 2. High-Precision Performance Ratings (P0-P6)

    • With precision ratings from P0 to P6, this bearing achieves up to 30% tighter tolerances than non-precision bearings*, ensuring smoother operation under heavy loads and high speeds.

  • 3. Automotive Wheel Hub-Specific Design

    • Designed for automotive wheel hubs, this bearing maintains reliability in high-stress driving scenarios, outperforming general-purpose bearings in continuous operation*.

  • 4. Robust Steel Cage Construction

    • With a steel cage, the bearing distributes loads more evenly than plastic-caged alternatives*, enhancing durability and rotational stability in demanding mechanical systems.

  • 5. Automotive-Grade Durability Standards

    • Constructed to automotive industry standards for durability and precision, this bearing meets rigorous requirements for vehicle applications*.

Product details

BT2B445539cc Bearing Auto Wheel Hub Bearing BT2B 445539 CC

The BT2B445539cc Auto Wheel Hub Bearing is a robust cylindrical bearing designed for high-performance applications in automotive and industrial machinery. Constructed from premium steel and chrome steel, it features a sealed design to ensure longevity in harsh environments. With precision ratings from P0 to P4, this bearing balances durability, rotational efficiency, and adaptability for diverse mechanical systems.

Technical specifications

FeatureSpecificationBenefit
MaterialSteel / Chrome SteelEnhanced corrosion resistance and durability
Cage TypeSteelImproved load distribution and stability
Precision RatingP0, P4, P5, P6Customizable accuracy for specific use cases
Sealing TypeRubber/Plastic SealedPrevents contamination and retains lubricant
DesignCylindrical bore with aligned ringsMinimizes wobble for smooth rotation

Customization guide

Adjustable parameters include bore size, outer diameter, and precision rating (P0-P4) to meet specialized needs such as:

  • High-speed machinery requiring P4 precision
  • Harsh environments needing enhanced sealing materials
  • Custom load capacities via material composition tweaks

Get inspired

The BT2B445539cc bearing’s sealed design and steel construction make it ideal for automotive wheel hubs, industrial conveyors, and machinery requiring reliable rotation under heavy loads. Its versatility allows seamless integration into both standard and high-performance systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load CapacityStandard (50 kN)+15% (57.5 kN)*+30% (65 kN)*
Rotational Speed1,200 RPM1,400 RPM1,800 RPM
Precision RatingP5/P6P4P0 (Ultra-Precision)
Seal MaterialStandard RubberOil-Resistant RubberDual-Lip Stainless Steel

Supplier's note

  1. Key Technical Breakthroughs:

    • P0 Precision (Pro Model): Triple the rotational accuracy of standard bearings, enabling high-speed applications like turbine systems.
    • Dual-Lip Seals (Pro): 20% longer lifespan in oily environments compared to industry benchmarks.
    • Chrome Steel Core: 30% higher corrosion resistance than carbon steel bearings.

  2. Version Selection Guide:

    • Base Model: Ideal for general automotive use (e.g., passenger vehicles) where cost-efficiency is prioritized.
    • Advanced Model: Suitable for heavy-duty machinery (e.g., trucks, construction equipment) needing enhanced load handling.
    • Pro Model: Best for precision-critical applications (e.g., robotics, aerospace) requiring ultra-smooth rotation and extreme durability.

With the Pro Model’s P0 precision, you can achieve 1,800 RPM operation in CNC machinery—30% faster than industry standards. Pair its dual-lip seals with chrome steel to ensure zero contamination in marine environments.

Frequently asked questions

  • Which wheel hub bearing suits high-load automotive applications?

  • How to clean and maintain a sealed wheel hub bearing?

  • Steel vs Chrome Steel: Which is better for wheel hub bearings?

  • Can the BT2B445539cc bearing be customized for specific bore sizes?

  • Is the BT2B445539cc bearing certified for automotive use?

  • What are key steps for installing a cylindrical wheel hub bearing?

  • How does the sealed design extend bearing lifespan?

  • Which industries use cylindrical sealed bearings like the BT2B445539cc?

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