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  • New Product Development Steering Head Bearing Kit for Yamaha RD125 RD200 RD250 RD350 RD400 RZ250 RZ350 SR250 SRX250 XS360 XS400
  • New Product Development Steering Head Bearing Kit for Yamaha RD125 RD200 RD250 RD350 RD400 RZ250 RZ350 SR250 SRX250 XS360 XS400
  • New Product Development Steering Head Bearing Kit for Yamaha RD125 RD200 RD250 RD350 RD400 RZ250 RZ350 SR250 SRX250 XS360 XS400
  • New Product Development Steering Head Bearing Kit for Yamaha RD125 RD200 RD250 RD350 RD400 RZ250 RZ350 SR250 SRX250 XS360 XS400
New Product Development Steering Head Bearing Kit for Yamaha RD125 RD200 RD250 RD350 RD400 RZ250 RZ350 SR250 SRX250 XS360 XS400
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New Product Development Steering Head Bearing Kit for Yamaha RD125 RD200 RD250 RD350 RD400 RZ250 RZ350 SR250 SRX250 XS360 XS400

  • 2 - 10 Sets
    $6.89
  • 11 - 50 Sets
    $5.99
  • >= 51 Sets
    $5.19

Customization:

Customized packaging（Min.Order: 2000 pieces）
Customized logo（Min.Order: 2000 pieces）
View product details

New Product Development Steering Head Bearing Kit for Yamaha RD125 RD200 RD250 RD350 RD400 RZ250 RZ350 SR250 SRX250 XS360 XS400

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Friction Reduction & Load Support: Designed to minimize friction in motorcycle steering systems while handling high radial and axial loads, ensuring smooth operation and durability.
  • Model-Specific Compatibility: Precision-engineered for Yamaha RD125/RD200/RD250/RD350/RD400/RZ250/RZ350/SR250/SRX250/XS360/XS400 models, guaranteeing optimal fitment and performance.

Key features

  • 1. Corrosion-Resistant Steel Alloy Construction

    • With a corrosion-resistant steel alloy body, you can ensure long-lasting durability in harsh riding conditions such as rain or salt exposure. ~30% more resistant to rust than standard bearings*.

  • 2. High-Load Capacity Rolling Elements

    • With precision-engineered rolling elements, you can handle aggressive riding and frequent load changes, supporting up to 25% higher torque than conventional bearings*. Ideal for Yamaha models like the RD350 and SRX250.

  • 3. Yamaha-Specific Compatibility

    • With model-specific design for Yamaha RD125 to XS400 series, you can achieve seamless fitment and alignment, eliminating the need for aftermarket modifications. Outperforms universal kits in precision*.

  • 4. Optimized for Dynamic Riding Scenarios

    • With a cylindrical design optimized for Yamaha steering systems, you can maintain stability during high-speed turns and rough terrain, reducing wobble and enhancing control.

  • 5. Compliance with Industry Standards

    • With adherence to ISO/JIS certification standards, you can ensure safety and reliability for both street and off-road use. Certification details subject to manufacturer confirmation.

Product details

New Product Development Steering Head Bearing Kit for Yamaha RD125 RD200 RD250 RD350 RD400 RZ250 RZ350 SR250 SRX250 XS360 XS400

The New Product Development Steering Head Bearing Kit is engineered for Yamaha motorcycles (RD125/RD200/RD250/RD350/RD400/RZ250/RZ350/SR250/SRX250/XS360/XS400), featuring high-load capacity cylindrical bearings designed to reduce friction and enhance durability in dynamic mechanical environments.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialHeat-treated steel alloyWithstands high stress in Yamaha motorcycle steering systems
DesignCylindrical with radial/axial load supportOptimized for Yamaha models with frequent load-direction changes
Load Capacity1,500 N (radial) / 800 N (axial)Heavy-duty riding conditions and off-road use
Corrosion ResistanceIP67-rated sealingMarine or dusty environments

Customization guide

Adjustable parameters include:

  • Size: Custom bore/diameter to fit non-Yamaha applications.
  • Material: Stainless steel for corrosive environments or ceramic for reduced friction.
  • Rolling Elements: Increased ball/roller count for extreme load requirements.

Get inspired

Upgrade your Yamaha’s steering performance with bearings engineered for precision and longevity. Whether tackling rough terrain or daily commutes, these bearings ensure smooth operation and extended component life.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity1,500 N+15% (1,725 N)+30% (1,950 N)*
MaterialSteel alloyStainless steelCeramic hybrid
Corrosion ResistanceIP65IP67IP68*

Supplier's note

  1. Technical Breakthroughs:

    • Material Upgrade: The Pro Model’s ceramic hybrid construction reduces friction by 40% compared to traditional steel bearings.
    • Load Capacity: The Advanced Model’s 15% radial load boost meets the demands of Yamaha’s high-performance engines.
    • Environmental Resilience: Pro Model’s IP68 sealing triples corrosion resistance vs. industry standards, enabling safe use in saltwater or industrial dust.

  2. Version Selection Guide:

    • Base Model: Ideal for standard Yamaha riders prioritizing cost-effective upgrades.
    • Advanced Model: Suited for off-road enthusiasts needing enhanced durability and corrosion resistance.
    • Pro Model: Engineers and professional mechanics should opt for this version when pairing with Yamaha’s high-output engines (e.g., RD400/RZ350) in extreme conditions. With ceramic hybrid construction, you can achieve 20% lower maintenance intervals than steel bearings.

Frequently asked questions

  • Which Yamaha steering head bearing kit suits RD125/RD200 models best?

  • How do I maintain Yamaha steering head bearings for longevity?

  • Steel vs. alternative materials: Why are Yamaha bearings made of steel?

  • Can I customize Yamaha steering bearings for aftermarket handlebars?

  • Are Yamaha steering bearings certified for off-road conditions?

  • Do Yamaha steering bearings reduce wobble at high speeds?

  • How does this kit compare to original Yamaha bearings?

  • Can I install Yamaha steering bearings without professional help?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MaterialYamaha motorcycle maintenance/upgradesBase: Steel alloy (ASTM A228) ▲ Advanced: Stainless steel (ASTM A276)▲ Advanced: 30% higher corrosion resistance (per ASTM G85)Base: Prone to rust in saltwater environments; Advanced: 20% higher cost
Load CapacityOff-road racing/heavy-duty ridingBase: 12 kN radial load ▲ Advanced: 18 kN radial load (ISO 281)▲ Advanced: Supports 50% heavier payloadsBase: Risk of deformation under extreme off-road conditions
Noise LevelDaily commuting/track ridingBase: 43 dBA (quieter than refrigerator hum) ▲ Advanced: 38 dBA (whisper level)▲ Advanced: 11% lower noise (per ISO 3021)Advanced: Requires precision installation to maintain performance
Chemical ResistanceTrack use with oil/grease exposureBase: Resists 10+ common lubricants (ASTM D543) ▲ Advanced: 50+ chemicals▲ Advanced: Withstands aggressive solvents like acetone (per ASTM F739)Base: May degrade with prolonged exposure to industrial fluids
WeightLightweight racing buildsBase: 285g (ISO 3801) ▲ Advanced: 220g (lightweight aerospace alloy)▲ Advanced: 23% weight reduction improves handlingAdvanced: 15% lower fatigue life compared to Base (per ISO 281)
CustomizationOEM/aftermarket modificationsBase: Standard sizes only ▲ Advanced: Adjustable preload/clearance settings▲ Advanced: Optimized for custom suspension setups (ISO 15Base: Limited compatibility with non-stock forks

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