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-LubricatedYesRatio800:1Max Input HP0.08Fan CooledNoUnit Of Measure ShowEnglishOutput RPM @17502.2Output Shaft StyleHollow O/PProduct Family800BR SERIESExact Gear Ratio762.222Product DescriptionS833BR-T/R RED 800:1 Ratio, No Base, "H" ASSYRated Efficiency55%BaseNo BaseMax Output Torque Cap1274Input Frame SizeNoneInput StyleShaft InputReduction StagesTripleWeight32Motor HP0.08Recommended LubricationKlubersynth UH1 6-460Family Id30,314AGMA Service ClassIOutput Shaft O.D./Bore Size0.75