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Boston GearSWA721-300-G

SWA721-300-G

700 Series Double Reduction Parallel Reducer
Item #102860051
  • 2 1/16" Center Distance
  • 300:1 Ratio
  • Shaft Input
  • Hollow Output
  • Universal, Parallel Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearSWA721-300-G
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    Shipment Options
  • 2 1/16" Center Distance
  • 300:1 Ratio
  • Shaft Input
  • Hollow Output
  • Universal, Parallel Worm Position

features

  • Large oil reservoir provides efficient heat dissipation and lubrication for longer life
  • Housing is straddle milled top and bottom for precise alignment
  • Internal baffles ensure positive, leak-free venting
  • Rugged housing fabricated of fine-grained cast iron for maximum strength and greater precision during worm and gear alignment
  • Bronze worm gear is straddle mounted between heavy-duty tapered roller bearings to increase thrust and load capacities on size 713 to 760
  • High strength steel output shaft ensures capacity for high torque
  • Pipe plugs allow easy fill, level and drain in any mounting position
  • Super finished oil seal diameters on both input and output shafts extend seal life

caution

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Housing Material Cast Iron
Reduction Type Double Reduction
Motor Application General Purpose
Family Name SWA
Thermal Input Horsepower @ 1750 RPM N/A
Worm Position Universal¦Parallel
Output Configuration Hollow Output
Lubrication None
Frame N/A
Box Height 6 25/64 in
Torque Out @ 1150 rpm N/A
Bolt Center 5 in x 2 7/8 in
Input Configuration Shaft Input
Max. Overhung Load @ 1750 rpm 700 lb/in
Max. Thrust Load @ 1150 rpm 700 lb/in
Output RPM @ 1750 rpm Input 5.8 rpm
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Output (Shaft or Bore) Size 1 1/8 in
Torque Out @ 1750 rpm 1025 in lb
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Box Length 5 13/64 in
Washdown Duty No
Shaft Assembly Code G
Box Width 9 55/64 in
Base to Centerline of Input Shaft 3 3/8 in
Fan Cooled No
Ratio 300:1
Input (Shaft or Bore) Size 1/2 in
HP @ RPM 0.25 hp @ 1800 rpm
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Frame Size Shaft Input, Not a C-Face
Base to Centerline of Output Shaft 4 3/32 in
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Center Distance 2 1/16 in
Weight 31.0 LB
EAN or UPC 781711522257
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