Lovejoy RunRight® maintenance free elastomeric tensioning motorbases utilize a rubber suspension unit as a pivot mount. The rubber suspension continuously compensates for belt stretching, hopping, fluttering and excessive pull when a drive is started. RunRight tensioning motorbases, available in Types MB20, MB30, MB38, MB50, MB70 and LMB100, are the ideal tensioning solution for belt drives from about 1/2 to 700 HP (143T to 5808 NEMA frame sizes).
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