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{"title":"Hitachi EX200 Front Idler Assembly 8-12mm Hardness Depth ISO9001","imgUrl":"https:\/\/img.chinax.com\/nimg\/c9\/a4\/30b8098c91e3c0c48e9f9ab3c5a1-200x200-1\/hitachi_ex200_front_idler_assembly_8_12mm_hardness_depth_iso9001.jpg","attrs":{"Brand Name":"YT","Model Number":"EX200","Certification":"ISO9001","Place of Origin":"China(Mainland)"}}
{"title":"Front Idler Assembly for OEM Excavator Undercarriage Parts","imgUrl":"https:\/\/img.chinax.com\/nimg\/94\/40\/66c798d4e83059218aec9142fa3a-200x200-1\/front_idler_assembly_for_oem_excavator_undercarriage_parts.jpg","attrs":{"Brand Name":"YT","Model Number":"E200B\/E215\/E312\/E320","Place of Origin":"China","Minimum Order Quantity":"1 PCS"}}
{"title":"Customizable Front Idler Assembly for OEM Track Parts with ISO Certification","imgUrl":"https:\/\/img.chinax.com\/nimg\/98\/d6\/a28b9b8221153f7d93b8413439a4-200x200-1\/customizable_front_idler_assembly_for_oem_track_parts_with_iso_certification.jpg","attrs":{"Brand Name":"YT","Model Number":"EX200","Place of Origin":"China","Minimum Order Quantity":"1PCS"}}
{"title":"ZG50Mn Steel Front Idler Assembly for Bulldozer Undercarriage Repair Parts Heat","imgUrl":"https:\/\/img.chinax.com\/nimg\/45\/57\/e46657c8aa97b75e320bcdd8f333-200x200-1\/zg50mn_steel_front_idler_assembly_for_bulldozer_undercarriage_repair_parts_heat_treatment_hrc_48_56.jpg","attrs":{"Brand Name":"YT","Place of Origin":"China","Minimum Order Quantity":"1PCS","Price":"Negotiable"}}
{"title":"OEM Front Idler Assembly with ISO Certificate for Track Parts","imgUrl":"https:\/\/img.chinax.com\/nimg\/f9\/3c\/3647100a8db89f74851b7c4f0e39-200x200-1\/oem_front_idler_assembly_with_iso_certificate_for_track_parts.jpg","attrs":{"Brand Name":"YT","Model Number":"EX200","Place of Origin":"China","Minimum Order Quantity":"1PCS"}}
{"title":"SI829 Idler Group LB 285 AB18 Hitachi Front Idler Assembly for EX300-5\/EX330-5","imgUrl":"https:\/\/img.chinax.com\/nimg\/78\/20\/f066b017515bf844a3344616d751-200x200-1\/si829_idler_group_lb_285_ab18_hitachi_front_idler_assembly_for_ex300_5_2fex330_5_excavator.jpg","attrs":{"Brand Name":"YT","Model Number":"SI829\/SI756\/EX300-5\/EX330-5","Place of Origin":"China","Minimum Order Quantity":"1PCS"}}
{"title":"Durable Front Idler Assembly for Excavator and Bulldozer Undercarriage","imgUrl":"https:\/\/img.chinax.com\/nimg\/c5\/2e\/6e9ed700d7d4105a95c690ced248-200x200-1\/durable_front_idler_assembly_for_excavator_and_bulldozer_undercarriage.jpg","attrs":{"Brand Name":"YT","Model Number":"D4D\/D4H","Place of Origin":"China","Minimum Order Quantity":"1PCS"}}
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.
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.
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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2011
Total Annual:
10Million-20Million
Employee Number:
50~100
Ecer Certification：
Verified Supplier
XIAMEN YINTAI MACHINERY CO., LTD. is loed in the beautiful port city of Xiamen. It is a manufacturing enterprise which is focusing on research and development, production and trade of construction machinery parts.
YinTai cooperates with Chinese famous large steel mi...
XIAMEN YINTAI MACHINERY CO., LTD. is loed in the beautiful port city of Xiamen. It is a manufacturing enterprise which is focusing on research and development, production and trade of construction machinery parts.
YinTai cooperates with Chinese famous large steel mi...
