SUMITOMO-SH460/CASE-CX460/CX490D/CX500-Track Roller Assembly/OEM manufacture-CQCTrack/Reliable and Stable Quality

Technical Specification

CASE CX460/SH460 Track Roller Assembly
Heavy-duty undercarriage system engineered for 45-ton class excavators, featuring industry-leading durability:

1. Core Engineering
   • Material: Forged SAE 4140 alloy steel (UTS: 950 MPa)
   • Heat Treatment: Quenched & tempered (HRC 48-52 core / HRC 58-62 surface)
   • Sealing: Triple-labyrinth PosiTrack™ seals + Trelleborg® lip seals
2. Performance Metrics
   • Load Rating: Static 32,000 kg / Dynamic 18,500 kg
   • Roller Diameter: 180 mm with hardened raceway (0.5mm chrome plating)
   • Temperature Range: -45°C to 130°C (Arctic to desert duty)
   • Service Life: 10,000+ hours (ISO 6015:2019 verified)
3. Design Innovations
   • Axial Retention: Dual tapered roller bearings (Timken® 4T-6377)
   • Lubrication: Grease-purge channels with Zerk fittings (NLGI #2 EP)
   • Corrosion Protection: Zinc-nickel electroplating + powder coating

Primary Terms:

CASE CX460 Track Roller Assembly | SH460 Undercarriage Rollers | Mining Excavator Carrier Rollers

Regional Keyword Variations:

Semantic/LSI Keywords:

• Durability: abrasion-resistant rollers | quarry-duty track components
• Compatibility: fits SH460 mining excavators | CASE CX500 equivalent
• Technical: SAE 4140 forged rollers | triple-seal track roller assembly

Technical Advantages Table