Product Overview
561-15-79661 is a special cylindrical roller bearing for Komatsu HD series mining dump truck transmission, standard part No.4 on transmission assembly list, 1 piece installed per transmission set. Split inner & outer ring cylindrical roller design features large roller contact area and outstanding radial load capacity, stable rotation and shock buffering performance. It effectively reduces abrasion of transmission gears and drive shafts, extends overhaul cycle of mining dump truck transmission, ideal for high-intensity transportation in open-pit mines and earthwork projects.
Material & Manufacturing Technology
Inner ring, outer ring and rollers are all made of Gcr15 high carbon chromium bearing steel, processed by forging, precision turning and integral quenching heat treatment to achieve uniform & stable surface hardness, superior wear and fatigue resistance compared with ordinary bearings. Stamped steel cage accurately locates rollers without scattering or deformation, excellent dust-proof & rust-proof performance for dusty, humid harsh outdoor mining environment.
Optional Precision Grades
Customizable with three precision grades: P0 general standard grade, P6 medium precision, P5 high precision. Standard stock is P0 grade with sufficient inventory and fast delivery. Bulk export for overseas construction machinery spare parts market, supporting OEM complete machine matching, equipment renovation and repair shop replacement procurement.
Compatible Models & Assembly List
Perfectly fit Komatsu HD325-7, HD405-7, HD465-5, HD605-7, HD785-7 mining dump trucks, belonging to transmission assembly part No.569-15-41003/41002/01100 parts list. One-stop bulk supply supporting matched gears, shafts, pistons, seal rings, springs, washers, bolts and other full set transmission spare parts in the list.
Application Scope
Widely used on Komatsu HD series heavy mining dump trucks, open-pit mine transport vehicles, large infrastructure earthwork slag transport trucks. As core wearing parts of transmission, it is applied to maintenance and replacement of heavy transport equipment in mining exploitation and large construction sites.
