Boston Gear 800BR Series helical worm gear drives are heavy duty helical gear drives with long life performance features and simplified maintenance. The 800BR Series comes in double and triple reduction ratios from 8:1 through 900:1 and a maximum 10HP rating. As always, the 800BR Series is available via Reducer Express.Pre-LubricatedYesRatio150:1Max Input HP2Fan CooledNoUnit Of Measure ShowEnglishOutput RPM @175011.0Output Shaft StyleHollow O/PProduct Family800BR SERIESExact Gear Ratio140.774Product DescriptionSF863BR-T/R RED 150:1 Ratio, No Base, "H" ASSYRated Efficiency66%BaseNo BaseMax Output Torque Cap7143Input Frame SizeB7-140TC/180CInput StyleQuillReduction StagesTripleWeight78Motor HP2Recommended LubricationKlubersynth UH1 6-460Family Id30,315AGMA Service ClassIOutput Shaft O.D./Bore Size1.5