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-LubricatedYesRatio112Max Input HP0.48Fan CooledNoUnit Of Measure ShowEnglishOutput RPM @175015.0Output Shaft StyleHollow O/PProduct Family800BR SERIESExact Gear Ratio108.889Product DescriptionS842BR-D/R RED 112:1 Ratio, No Base, "H" ASSYRated Efficiency73%BaseNo BaseMax Output Torque Cap1412Input Frame SizeNoneInput StyleShaft InputReduction StagesDoubleWeight32Motor HP0.33Recommended LubricationKlubersynth UH1 6-460Family Id30,312AGMA Service ClassIOutput Shaft O.D./Bore Size1.25