This is a 75 mm long involuted spline coupler that is used to connect the Siemens 1PV5135 motor to the BorgWarner 33-03 eGearDrive transmission. Both transmission and motor have identical 24 tooth splined shafts, 24.87 mm in diameter. This coupler is included WITH the eGearDrive transmission. We offer it here separately for those buying the Siemens motor who might want to use it to develop other couplers to different transmissions. Comes with two rubber O rings.
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George T Stringfellow - 09/02/2014