Komatsu HD785-7 Final Drive Bearing 561-22-72961 Heavy Fleet Parts

Komatsu 561-22-72961 Final Drive Tapered Roller Bearing Optimize the torque handling capacity and structural drivetrain stability of your mining haulage fleet with the premium replacement 561-22-72961 final drive bearing. Engineered to excel within the high-load planetary reduction groups of Komatsu heavy rigid dump trucks, this tapered roller bearing assembly handles massive radial and axial thrust forces during full-capacity haul cycles across uneven mining terrains and quarry operations. Applicable Machinery Models and Specifications Compatible Dump Trucks: Komatsu HD785-7, HD785-7R, HD985-7 Rigid Dump Trucks Associated Fleet Systems: Final Drive Assembly, Rear Axle Wheel Hub Group, Planetary Reduction Gearbox Engine Configuration Compatibility: Komatsu SAA12V140E-3, SA12V140Z-1 Turbocharged Diesel Engines Technical Specifications and Cross-References Manufactured to exact high-tolerance industrial standards, this core component facilitates smooth power transmission from the differential drive shaft to the wheel hub assemblies, preventing premature planetary gear misalignment. Parameter Technical Data / Reference Details Primary OEM Part Number 561-22-72961 Interchangeable Part Number 5612272961 Standard Industry Bearing Code HM265049/10 (Tapered Roller Structure) System Classification Final Drive Large Bearing Assembly (Bearing Besar) Metallurgical Treatment Case-hardened high-chrome alloy steel Related Final Drive and Rear Axle Components To support programmatic workshop overhauls, high-wear fleet maintenance schedules, and complete wheel hub rebuilds, a full range of matching mechanical components is supported: Planetary and Differential Gear Bearings 561-22-62970: Final Drive Small Inner Bearing (Industry Code: 4T-CR-6408X1) 561-22-72520: Planetary Gear Needle/Roller Bearing (Industry Code: 33220JR) 561-22-71810 & 561-22-71820: Bevel Pinion Shaft Bearings (Industry Code: HH932132/10 & HH926749/10) Heavy-Duty Dynamic Fluid Seals 425-33-00111: Final Drive Hub Floating Seal Assembly 428-33-00021 / 428-33-00022: High-Pressure Duo-Cone Seal Rings Key Technical Advantages High-Capacity Tapered Geometry: Specifically engineered to manage combined heavy radial and dynamic thrust loads generated during aggressive braking and high-tonnage hauling maneuvers. Induction-Hardened Steel Structure: Advanced thermal heat treatment provides a core that resists surface micro-pitting and stress cracking caused by contaminated lubricants and debris. Direct Drop-In Dimensional Alignment: Standardized flange and cone configurations ensure seamless drop-in field installation without requiring custom adjustments or machining variations on the hub casing. Related Part Numbers NO P.N. NAME 1 207-60-71182 207-60-71182 Filter Element for Komatsu PC600 WA470 2 6560-61-2111 Komatsu PC2000 Speed Sensor 6560-61-2111 3 708-1S-00460 708-1S-00460 Hydraulic Fan Pump for Komatsu D65-15 4 11Y-27-30104 11Y-27-30104 Travel Motor for Komatsu D39 D37 D41 Bulldozer 5 708-1L-00320 Komatsu 708-1L-00320 Main Hydraulic Pump D65-15 D65EX-15 D65PX-15 6 708-2H-00440 Komatsu PC1250 Hydraulic Main Pump 708-2H-00440 708-2H-00322 7 30R-0146 30R-0146 Hydraulic Main Pump FOR CAT 320D 330 8 6240-61-1106 Komatsu PC1250-7 Water Pump 6240-61-1106 9 368-9171 High Pressure Fuel Pump 368-9171 for Perkins & CAT Heavy-Duty Engi... 10 EM8838 Rear Suspension Cylinder EM8838 for Komatsu 830E Series Mining Trucks 11 4892731 Caterpillar C7 Crankshaft 4892731 for 324D 326DL 325D 329D 12 4419718 Hitachi ZX330-3G ZX350 M5X180CHB Swing Motor 4419718 13 191-2693 Caterpillar 330D2 Swing Gearbox 191-2693 Reduction Drive 14 YB60000550 Hitachi HPV118JW026C Hydraulic Pump YB60000550 15 20R-3370 Caterpillar Reman Turbocharger 20R3370 20R-3370 Replacement for 254-07... 16 561-20-72003 Drive Shaft Assembly 561-20-72003 for Komatsu WA470-3 HD605-7 17 A10VO63 China Factory Hydraulic Pump A10VO63 AP2D25 PVD-2B-505 Replacement Pum... 18 708-1S-00970 708-1S-00970 708-1S-00940 Hydraulic Fan Pump for Komatsu WA470-6 Wheel... 19 VOE14636561 Swing Motor VOE14636561 Slewing Assembly fro Volvo EC80 20 705-22-28310 705-22-28310 Hydraulic Pump Assembly for Komatsu HD465 HD785 21 561-80-71100 Komatsu Universal Joint 561-80-71100 (Cross Joint) For Komatsu HD785 22 SAA12V140E-5 Cummins QST30 SAA12V140E-5 Engine Assembly for Komatsu HD785-7 PC2000-... 23 723-64-11200 Komatsu 723-64-11200 Main Control Valve D155AX-5 Dozer Distributor Val... 24 21N-27-00190 Komatsu PC1250 Final Drive Assembly 21N-27-00190 21N-27-00191 25 547-9727 Caterpillar 547-9727 Swing Motor Rotary Motor for E395GC Excavator 26 208-26-63150 Komatsu Swing Carrier 208-26-63150 for PC1250-7 Excavator