1pcs Free Shipping 3E907KAT 37mm*50mm*8mm Deformation 0.3max Speed 3000r/min Flexible Bearing Harmonic Reducer Bearing RobotModel number: 3E907KATInner diameter: 37mmOuter diameter: 50mmHeight: 8mmDeformation: 0.3mm maxRotational speed: 3000r/minIntroduction to flexible bearings:The flexible rolling bearing uses the controllable elastic deformation of the flexible element to transmit movement and power, extensive transmission ratio and wide range of application, excessive precision, small air return, bearing capacity, excessive efficiency, small size, light weight, stable transmission, low noise, can transfer movement to the sealed space.Harmonic reducer via inflexible wheel, flexible wheel, and harmonic generator three, one is indispensable.Harmonic reducer is usually used in robot, machine tool, aerospace and other industries, the harmonic accelerator precision, tension and bearing ability of the requirements are very high, so the harmonic reducer internal parts of the processing precision and set up precision standards are very high, the same standards for bearings are very high. For inflexible bearings, the largest factor is the rigidity, reliability and rotation accuracy of bearings. Rigid bearings could be preloaded to a certain extent before leaving the factory to ensure ample rigidity of bearings. The essential factor for bendy bearings is the utmost radial deformation of bearings.Harmonic reducer bearings include inflexible bearings and flexible bearings two types, inflexible bearings contain 4 sorts of series, CSG (CSF) series, SHG (SHF) series, CSD series, SHD series, the naming of the reducer; Flexible bearing is named HYR.CSG (CSF) seriesThe outer ring is split into two pieces, and the internal ring is a whole structure. Flange and bearing seat aren't required for installation. It is mainly used in the output elements of CSG (CSF) collection reducer.SHG (SHF) seriesThe outer ring and the inner ring are integral structure, which has almost no impression at the functionality throughout installation, and may obtain steady rotation accuracy and torque. It is especially used in the output components of assorted sorts of retarders of SHG and SHF series.CSD seriesThe outer ring and inside ring are integral structure, the outer diameter length and CSG sort are the same, extra rigid than CSG form bearing, chiefly utilized in CSD series deceleration output parts.SHD seriesOuter ring and internal ring are integral structure, inner ring with teeth, can immediately mesh with the tooth on the flexwheel, lower height than SHG, saving the installation space of the reducer, mainly utilized in the output a part of SHD reducer.