Boston Gear 800 Series contains a focused selection of compact, heavy duty helical gear drives that offer long-life performance and simplified maintenance. A broad range of reduction ratios suit an even broader range of specifications, while a variety of input shaft configurations maximize flexibility. In addition, the number of products that complement this series of gear drives make it an ideal choice for today industrial distributor. The 800 Series provides a functional interchange for SEW Eurodrive and other European manufacturers’ helical gear drives,making it uniquely practical for replacement applications.Pre-LubricatedYesRatio140:1Max Input HP1.11Fan CooledNoUnit Of Measure ShowEnglishOutput RPM @175012.0Output Shaft StyleSolid ProjectingProduct Family800B In-LineExact Gear Ratio139.695Product DescriptionF873 T/R RED, 140 Ratio, Quill Input, O/P Flange MountRated Efficiency94%BaseOutput Flange MountedMax Output Torque Cap5247Input Frame SizeB5-56CInput StyleQuillReduction StagesTripleWeight106Motor HP1Recommended LubricationKlubersynth UH1 6-460Family Id30,080AGMA Service ClassIOutput Shaft O.D./Bore Size1.625