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Help CenterCSG-50 Cross Roller Bearing for Harmonic Drive Gear Reducer CSG-50
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Harmonic reducer brief introduction
Harmonic reducer is mainly composed of harmonic generator, flexspline, rigid spline, and also rigid bearing(Crossed roller bearing) and flexible bearing(thin section deep groove ball bearing)
Flexible bearing's inner hole match with oval shaped cam outer ring; Outer ring which can do elasticdeformation
to match with flexspline's opening part inner ring. Flexspline's opening part outer ring engraved gear engaged with rigid spline teeth. Rigid spline teeth are more than flexspline. Flexspline and rigid spline engaged with each other on long shaft and separated on short shaft. Flexspline bottom is fixed on the output terminal. Rigid bearing is installed on the reducer output terminal and connected with outside.
Harmonic reducer is usually applied on robots, machine tool, and aerospace industries which have high
requirements on harmonic reducer precision, rigidity, and load capacity. So it has high requirements to
harmonic reducer parts machining precision and mounting precision and also to bearings. For rigid bearing,
the most important are the bearing rigidity, reliability, and rotation precision. Rigid bearing usually has
some preload before leaving the factory in order to guarantee bearing has enough rigidity. The maximum
radial deformation is very important to flexible bearing.
Harmonic reducer bearing structure type
Harmonic reducer bearing consists of rigid bearing and flexible bearing. Rigid bearing has four series:
CSG(CSF) Series, CSD Series, SHG(SHF) Series, SHD Series. Its model name same with the corresponding
according harmonic reducer name. Flexible bearing's name is HYR
Rigid bearing
Rigid bearing is a kind of crossed cylindrical roller bearing. According to the different application occasions, it
has two categories: Inner and outer ring integrated; inner ring integrated and outer ring split. Rolling element
is cylindrical roller, each roller in 90°angle vertical arrangements in the V-shape raceway. This kind of
bearing can bear axial load, radial load, tilting moment and all kinds of load in every direction. This kind of
bearing has characteristics of high precision, high rigidity, and combined load capacity.
CSG(CSF)
Inner ring integrated and outer ring split
Outer ring has two parts, and inner ring is integrated. No need
flange and bearing set. This kind of bearing is mainly applied
on CSG (CSF) Series reducer output part.(HONBbearing05)
Contact person: Anna Feng
Fax:+86 379 63086177
Whatspp: +86 13598495189
Skype: bearing3_01
Website:
| Model | Dimension | |||||||||
| d | D | H | C | B | H2 | D1 | D2 | d1 | d2 | |
| Unit：mm | ||||||||||
| CSG(CSF)-14 | 11 | 55 | 16.5 | 16 | 13.5 | 4 | 41.8 | 29 | 29.8 | 28.4 |
| CSG(CSF)-17 | 10 | 62 | 16.5 | 16 | 13.5 | 4 | 49 | 34 | 33.8 | 33.8 |
| CSG(CSF)-20 | 14 | 70 | 16.5 | 16 | 13.5 | 4.5 | 56.5 | 41 | 40 | 40 |
| CSG(CSF)-25 | 20 | 85 | 18.5 | 18 | 16.5 | 3.5 | 67 | 535 | 52.6 | 52.6 |
| CSG(CSF)-32 | 26 | 112 | 22.5 | 21.5 | 19 | 4.5 | 90 | 68 | 68.6 | 68.6 |
| CSG(CSF)-40 | 32(24) | 126 | 24 | 22.5 | 21.5 | 4.5 | 105 | 86 | 81.2 | 81.2 |
| CSG(CSF)-50 | 40(32) | 157 | 31 | 30 | 28 | 5 | 131.6 | 103 | 102.6 | 102.6 |
| CSG(CSF)-65 | 52(44) | 210 | 39 | 37 | 35 | 7 | 176 | 132 | 132.6 | 132.6 |
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