needle roller bearing crankshaft bearing 39*55*20 k39*55*20.5 for final drive travel motor assy fit gm09 pc60-7 kato hd307

high load carrying capacity and stiffness. supports high rotational speeds. lowest cross-section among rolling bearings. non-separable unit for ease of handling and installation. the radial needle roller and cage assemblies are most commonly used in applications where the housing bore and shaft can be used as raceways. typical applications for radial needle roller and cage assemblies are planetary gears, constant-mesh gears, idler gears and connecting rods. it may fit many machines in the final drives or transmissions. please refer to the given size, part numbers and the ps, if have, to check more compatible models. excavator spare parts including bearings, gears, seal kits, engine parts, motors, pumps, solenoids, valves, etc..syi