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-LubricatedYesRatio45:1Max Input HP3.95Fan CooledNoUnit Of Measure ShowEnglishOutput RPM @175038.0Output Shaft StyleHollow O/PProduct Family800BR SERIESExact Gear Ratio47.316Product DescriptionS862BR-D/R RED 45:1 Ratio, No Base, "H" ASSYRated Efficiency91%BaseNo BaseMax Output Torque Cap5810Input Frame SizeNoneInput StyleShaft InputReduction StagesDoubleWeight70Motor HP3Recommended LubricationKlubersynth UH1 6-460Family Id30,312AGMA Service ClassIOutput Shaft O.D./Bore Size1.5