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Hitachi EX200 Front Idler Assembly 8-12mm Hardness Depth ISO9001

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Hitachi EX200 Front Idler Assembly 8-12mm Hardness Depth ISO9001

Brand Name : YT

Model Number : EX200

Certification : ISO9001

Place of Origin : China(Mainland)

MOQ : 1PCS

Price : Negotiable

Payment Terms : L/C,T/T

Supply Ability : 10000 PCS/month

Delivery Time : 7-30 days

Packaging Details : Standard Export Packaging

Model NO. : EX200

Product Name : Idler or Idler Wheel

Finish : Smooth

Weight : Optional

Hardness Depth : 8-12mm

Transport Package : Standard Export Fumigated/Wooden Pallet

Origin : China

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Hitachi EX200 Construction Machinery Bulldozer OEM Undercarriage Spare Parts Heat Treatment Front Idler Assembly

1. What is a Idler?

The CHT idler integrates advanced design and precision manufacturing to deliver unmatched durability and safety: its keyed joint between idler and axle expands the bearing surface and enhances torque transmission, a feature that not only boosts reliability but also aligns the idler’s service life with other undercarriage components—eliminating uneven wear—while the axle’s rotation within fixed bearings significantly reduces friction and wear, further extending the track system’s longevity. Crafted via either alkali phenolic resin sand casting or sodium silicate-bonded sand casting (processes chosen for producing robust, dimensionally stable parts), it undergoes specialized heat treatment to achieve a minimum surface hardness of HRC48-58 and a 4-6mm hardened layer (HRC45), endowing it with exceptional impact and wear resistance even in harsh mining or construction settings. Final precision refinement on a CK5110 large-scale CNC vertical lathe ensures impeccable dimensional accuracy and superior surface finishes, guaranteeing consistent stability and a reliably long service life. In practice, this extended track system lifespan cuts down on replacement cycles, directly lowering workers’ exposure to safety risks during maintenance—proving that enduring performance and workplace safety are inherently linked.

2. Idler Characteristic

2.1 Tech-Driven Durability: Built to Outlast
- 50% reduced bearing pressure: Cuts bearing load drastically, extending component life by 2x or more and eliminating the hassle of frequent replacements.
- Splined idler-shaft connection: Secures unrivaled reliability while aligning the idler’s lifespan with other critical undercarriage parts—avoiding uneven wear that shortens system life.
- Heavy-duty rock guard: Serves as a tough barrier against dirt, rubble, and debris, shielding vulnerable components from damage that would lead to costly repairs or replacements.
2.2 Efficiency-Focused Design: Minimize Downtime, Maximize Output
- Detachable bearing blocks with bushings: Can be removed and serviced without disassembling the track, trimming maintenance time by up to 40% and getting equipment back to work faster.
- Dedicated lubrication injectors: Deliver precise lubrication to high-wear surfaces, preventing friction-related failures and reducing unplanned downtime.
- Expanded bearing surface + optimized oil flow: Enhances track stability and responsiveness, even in rough mining conditions where performance is critical.
2.3 Cost-Smart Engineering: Lower TCO, Higher Returns
- Rotating shaft + stationary bushings: Lowers contact stress and wear, cutting down on unplanned stoppages that erode profits and disrupt operations.
- Prolonged track system life: Reduces overall mining operational costs by lessening downtime and the frequency of part replacements.
- 50% less bearing stress: Directly leads to fewer bearing failures, lowering both parts expenses and the labor costs associated with repairs.

3. Design/Structure/Main Dimensions of Installation

4. Production Processes

5. Hot Sale Products

6. Our Advantages

World-class quality
Factory sale directly with reasonable price
35 years' experience in Excavator & Bulldozer spare parts manufacturing
Fast delivery within 30 days after contract established
Professional sales team, quality inspection and report, maritime logistics guidance
After-sale services: video technical support, 24h online support

Are you still troubled by lacking of quality excavator idler? YinTai Parts is one of the professional manufacturers and suppliers of excavator idler in China, who has high quality products for sale. With over 30 years experience and wide expertise, we can assure you the high quality and good performance of our products.

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