Bonfiglioli - Houston Bearing and Supply

1.0 - SPECIFICATIONSThe 300 series consists of a range of multi-purpose planetary gearboxes.Key features are:• 16 frame sizes in modular design• versions:- in-line with 1 to 4 reductions- right angle (spiral bevel gear set into first stage) with 2 to 4 reductions• combinations with:- worm gear units- bevel-helical gear units• flange, foot and shaft mounting arrangements• keyed output shaft, splined male shaft, splined hollow shaft, hollow shaft with shrink disc• input adaptors for:- integral motor- NEMA motors- IEC-normalised electric motors• high speed input shafts• gearmotors• mounting accessories:- flanges- pinion gears- splined bars- shrink discsConfigurationsHorsepowerratingMax torquecapacityGear ratiosEfficiencyIn line 320 HP 4,600,000 in·lbs 3.4:1 i 2900:1 HighRight-angle 100 HP 3,500,000 in·lbs 7:1 i 950:1 HighCombined with wormgear unit 100 HP 4,600,000 in·lbs 370:1 i 5150:1 MediumCombined with helicalbevel gear unit 50 HP 100,000 in·lbs 19:1 i 730:1 HighMore design features:• high torque density• high overhung load capacity due to heavy duty taper roller bearings featured by all solid shaftgear units• high efficiency• inner parts are coupled through splined connections rather than keys• planetary gears mounted onto self-centering carriers to ensure the most even load distributionamong planetary gears• housing from ductile cast iron.3