Shandong Huashou Transmission Technology Co., Ltd. is one of the leading manufacturers and suppliers of steel roller bearing in China. With abundant experience, we are committed to providing high quality customized products with competitive price. Welcome to wholesale bulk durable steel roller bearing in stock here from our factory. Also, pricelist is available.
Products Description
These steel roller bearings are core components of the TY320/YJ435 bulldozer transmission system, responsible for heavy-load rolling support, axial force balancing, and friction control. Forged from high-purity alloy steel and subjected to precision machining, standardized heat treatment, and multi-stage quality inspections, they offer high hardness, excellent compressive strength, wear resistance, and fatigue life. They are suitable for harsh operating environments-such as mining, earthworks, and road construction-effectively reducing failure rates and maintenance costs.
Product Specifications
|
Parameter |
178-15-19350 |
178-15-19330 |
175-13-21160 |
175-13-21240 |
|
Bearing Type |
Roller Bearing (Core Transmission Component) |
Roller Bearing (Core Transmission Component) |
Roller Bearing (Core Transmission Component) |
Roller Bearing (Core Transmission Component) |
|
Applicable Model |
TY320 Bulldozer |
TY320 Bulldozer |
YJ435 Bulldozer |
YJ435 Bulldozer |
|
Applicable System |
Power-Shift Transmission |
Power-Shift Transmission |
Torque Converter / Transmission |
Torque Converter / Transmission |
|
Compatible Brands |
LiuGong, XCMG, Zoomlion |
LiuGong, XCMG, Zoomlion |
LiuGong, XCMG, Zoomlion |
LiuGong, XCMG, Zoomlion |
|
Installation Method |
Direct replacement, no cutting/modification required |
Direct replacement, no cutting/modification required |
Direct replacement, no cutting/modification required |
Direct replacement, no cutting/modification required |
|
Material |
High-strength alloy steel |
High-strength wear-resistant alloy steel |
High-tensile alloy steel |
High-purity tensile alloy steel |
|
Heat Treatment Process |
Standardized heat treatment |
Standardized heat treatment |
Constant-temperature hardening treatment |
Constant-temperature hardening treatment |
|
Surface Treatment |
Precision surface finishing |
Precision surface finishing |
Precision grinding |
Precision grinding |
|
Hardness Grade |
High hardness |
High hardness |
High surface rigidity |
High surface rigidity |
|
Compressive Capacity |
Strong |
Excellent |
Excellent |
Excellent |
|
Wear Resistance |
Excellent |
Excellent |
Excellent |
Excellent |
|
Fatigue Stability |
Stable |
Reliable |
Stable |
Stable |
|
Weight |
7.16 kg |
Equivalent to similar specifications |
Equivalent to similar specifications |
Equivalent to similar specifications |
|
Quality Inspection |
Multi-stage strict inspection |
Multi-stage strict inspection |
Multi-layer quality screening |
Multi-batch performance testing |
|
Export Standard |
Complies with international export inspections |
Complies with international export inspections |
Complies with international export inspections |
Complies with international export inspections |
Note: For specific dimensional data including inner diameter, outer diameter, width, and rated dynamic/static load capacities, please refer to the accompanying technical drawings or contact us for the complete specification sheet.
Product Features
High-Precision Manufacturing
Strict dimensional tolerances and perfect assembly fit; no secondary machining required.
Premium Materials
Forged from high-purity alloy steel, offering a balance of strength and toughness.
Advanced Processes
Precision machining, standardized heat treatment, and surface strengthening ensure long-lasting durability.
Strong Compatibility
Compatible with TY320/YJ435 models and mainstream equipment from Liugong, XCMG, Zoomlion, etc.
Fault Resolution
Effectively addresses common transmission issues such as abnormal noise, sluggish gear shifting, power loss, and machine vibration.
Versatile Application
Suitable for routine maintenance, scheduled overhauls, and emergency repairs.
Product Advantages
Reduced Friction Loss
Optimized internal structure significantly minimizes gear meshing friction and energy loss.
01
Extended Equipment Life
Improves transmission efficiency, lowers failure rates, and reduces downtime losses.
02
Reduced Maintenance Cycles
Ensures stable long-term operation, decreasing maintenance frequency and overall operating costs.
03
International Quality
Meets international export standards and is capable of continuous, high-intensity operation (24-hour duty cycle).
04
Ready Stock
Mainstream models kept in stock for immediate availability and rapid global shipping.
05
Customization Services
We offer a full range of OEM-standard transmission and hydraulic components for bulldozers, including:
Transmission gear sets and drive shaft assemblies
Roller bearings, oil seal kits, and steel shims
Clutch friction discs and planetary gear carriers
Torque converters, hydraulic control valves, and seal kits
Customization options available upon request:
Non-standard dimensions (please provide drawings or technical specifications)
Bulk purchasing agreements (tiered pricing for long-term partnerships)
Custom packaging (neutral packaging, branded labeling, export-grade wooden crates, etc.)
Technical selection support (compatibility recommendations from professional engineers)
Selection Recommendations
|
Customer Scenario |
Recommended Model |
|
TY320 bulldozer, long-term heavy-load operation, pursuing OE-level precision |
178-15-19350 |
|
TY320 bulldozer, prioritizing wear resistance and fatigue resistance |
178-15-19330 |
|
YJ435 bulldozer torque converter/transmission, requiring stable torque transmission |
175-13-21160 |
|
YJ435 bulldozer, high-frequency operation, pursuing high rigidity and durability |
175-13-21240 |
|
Multi-brand fleet maintenance / emergency replacement |
Choose one of the above based on specific model matching |
Logistics and Technical Support
Global Shipping: Flexible options including sea freight, air freight, and international express delivery.
Customs Clearance Support: Provision of complete export documentation (commercial invoice, packing list, certificate of origin, test reports, etc.) to ensure smooth customs clearance.
Technical Guidance: Installation instructions, maintenance recommendations, and troubleshooting support.
After-Sales Service: Long-term follow-up to ensure a worry-free user experience.
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