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