VG1246060057 Genuine SINOTRUK Flat Idler - Heavy-Duty Track Roller for Mining Trucks

‌VG1246060057 Flat Idler – SINOTRUK OEM Track System Component‌

‌The Workhorse of Mining Truck Undercarriages‌
This ‌genuine SINOTRUK flat idler‌ (Part# VG1246060057) is engineered for extreme abrasion resistance in HOWO 70-ton mining trucks. Its staggered flange design reduces sideways track slippage by 40% compared to generic idlers, significantly extending track chain life.

‌Built to Outlast Competitors‌ 

• ‌Core Material‌: 42CrMo alloy steel, induction-hardened to 55-60 HRC
• ‌Sealing System‌: Triple-lip labyrinth seals + grease purge port
• ‌Load Rating‌: 18,000kg dynamic load capacity 
• ‌Bearing Type‌: Oversized tapered roller bearing (32026X2/Q)

‌Technical Specifications‌

‌Proven Performance‌
✔ 6,000-hour service interval in high-dust conditions
✔ Laser-aligned flange parallelism (±0.05mm)
✔ Pre-installed wear indicator groove (3mm depth)
✔ Matches SINOTRUK factory torque specs (320±15 N·m)

‌Compatibility‌: Fits HOWO ZZ5707S3317C

‌Maintenance Tip‌: Rotate idlers every 2,000h to equalize wear patterns.