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Boston GearRF721B-10-B5-G

RF721B-10-B5-G

700 Series C-Face Coupled Reducer
Item #102817928
  • 2 1/16" Center Distance
  • 10:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Left & Right Output
  • Top Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF721B-10-B5-G
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    Shipment Options
  • 2 1/16" Center Distance
  • 10:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Left & Right Output

features

  • Housing is straddle milled top and bottom for precise alignment
  • Large oil reservoir provides efficient heat dissipation and lubrication for longer life
  • 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
  • Rugged housing fabricated of fine-grained cast iron for maximum strength and greater precision during worm and gear alignment
  • Internal baffles ensure positive, leak-free venting

caution

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Output RPM @ Input RPM 175 rpm @ 1750 rpm
Shaft Assembly Code G
Max. Overhung Load @ 1750 rpm 700 lb/in
Thermal Input Horsepower @ 1750 RPM N/A
Torque Out @ 1750 rpm 789 in lb
Box Height 6 3/8 in
Base to Centerline of Input Shaft 5.0625 in
Bolt Center 6 3/8 in x 4 11/16 in
Lubrication None
Output Torque @ RPM 725 in lb @ 1150 rpm, 789 in lb @ 1750 rpm
Base to Centerline of Output Shaft 3 in
Use With 721
Housing Material Cast Iron
Output Configuration Left & Right Output
Worm Position Top
Ratio 10:1
Bore Code B5
Input (Shaft or Bore) Size 5/8 in
Input HP @ RPM 1.49 hp @ 1150 rpm, 2.34 hp @ 1750 rpm
Box Width 5 3/16 in
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Center Distance 2 1/16 in
Frame Size 56C
Max. Thrust Load @ 1150 rpm 700 lb/in
Output (Shaft or Bore) Size 1 in
Frame 56C
Torque Out @ 1150 rpm 725 in lb
Output RPM @ 1750 rpm Input 175 rpm
Installed Options High Horizontal Base
Input Configuration C-Face Coupled
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Fan Cooled No
HP @ RPM 2 hp @ 1800 rpm
Box Length 6 in
Washdown Duty No
Family Name RF
Reduction Type Single Reduction
Motor Application General Purpose
Weight 37.1 LB
EAN or UPC 884107062587
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