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-LubricatedYesRatio11Max Input HP9.38Fan CooledNoUnit Of Measure ShowEnglishOutput RPM @1750159.0Output Shaft StyleHollow O/PProduct Family800BR SERIESExact Gear Ratio11.573Product DescriptionS862BR-D/R RED 11:1 Ratio, No Base, "H" ASSYRated Efficiency94%BaseNo BaseMax Output Torque Cap3480Input Frame SizeNoneInput StyleShaft InputReduction StagesDoubleWeight70Motor HP7.5Recommended LubricationKlubersynth UH1 6-460Family Id30,312AGMA Service ClassIOutput Shaft O.D./Bore Size1.5