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Boston GearRF724-20-B5-H

RF724-20-B5-H

700 Series C-Face Coupled Reducer
Item #101871835
  • 2 3/8" Center Distance
  • 20:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Left & Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF724-20-B5-H
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    Shipment Options
  • 2 3/8" Center Distance
  • 20:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Left & Right Output

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

  • Polycarbonate bowls, being transparent and tough, are ideal for use with filters and lubricators. They are suitable for use in normal industrial environments, but should not be located in areas where they could be subjected to direct sunlight, an impact
Output Configuration Left & Right Output
Thermal Input Horsepower @ 1750 RPM N/A
HP @ RPM 1.5 hp @ 1800 rpm
Max. Overhung Load @ RPM 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm
Torque Out @ 1750 rpm 1233 in lb
Shaft Assembly Code H
Fan Cooled No
Motor Application General Purpose
Bolt Centers w/ Vertical Base Kits (in) 8.94 x 4.88
Box Length 6 3/8 in
Center Distance 2 3/8 in
Use With 724
Base to Shaft Center Height w/High Vert. Base Kit 5 1/4 in
Keyway Size 3/16 x 3/32
Base to Centerline of Input Shaft 4.875 in
Base to Shaft Center Height w/Vert. "J" Base Kit 4.06 in
Base to Shaft Center Height w/Std. Base Kit 5.19 in
Input (Shaft or Bore) Size 5/8 in
Box Height 6 15/16 in
Max. Overhung Load @ 1750 rpm 900 lb/in
Output (Shaft or Bore) Size 1 1/8 in
Output Torque @ RPM 1160 in lb @ 1150 rpm, 1233 in lb @ 1750 rpm
Max. Input HP @ 100 rpm 0.17 hp
Input Configuration C-Face Coupled
Input HP @ RPM 1.27 hp @ 1150 rpm, 1.95 hp @ 1750 rpm
Base to Shaft Center Height w/Low Vert. Base Kit 3.38 in
Max. Thrust Load @ 1150 rpm 900 lb/in
Washdown Duty No
Frame Size 56C
Output RPM @ 1750 rpm Input 87.5 rpm
Bore Code B5
Lubrication None
Bolt Centers w/ Vertical "J" Base Kit (in) 9.19 x 2.88
Family Name RF
Ratio 20:1
Motor HP 1 hp
Reduction Type Single Reduction
Frame 56C
Worm Position Universal
Housing Material Cast Iron
Torque Out @ 1150 rpm 1160 in lb
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Box Width 5 7/16 in
Bolt Centers w/ Std. Base Kit (in) 7 1/16 x 4 7/8
Max. Thrust Load @ RPM 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm
Base to Centerline of Output Shaft 2.5 in
Bolt Center 5 in x 2 7/8 in
Weight 41.1 LB
EAN or UPC 781711527320
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