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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
Base to Shaft Center Height w/High Vert. Base Kit 5 1/4 in
Keyway Size 3/16 x 3/32
Output Torque @ RPM 1160 in lb @ 1150 rpm, 1233 in lb @ 1750 rpm
Lubrication None
Torque Out @ 1150 rpm 1160 in lb
Torque Out @ 1750 rpm 1233 in lb
Bolt Center 5 in x 2 7/8 in
Shaft Assembly Code H
Output RPM @ 1750 rpm Input 87.5 rpm
Base to Centerline of Output Shaft 2.5 in
Motor Application General Purpose
Bore Code B5
Max. Overhung Load @ 1750 rpm 900 lb/in
Housing Material Cast Iron
Max. Overhung Load @ RPM 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm
Use With 724
Max. Input HP @ 100 rpm 0.17 hp
Base to Shaft Center Height w/Vert. "J" Base Kit 4.06 in
HP @ RPM 1.5 hp @ 1800 rpm
Family Name RF
Output (Shaft or Bore) Size 1 1/8 in
Fan Cooled No
Box Height 6 15/16 in
Frame 56C
Input (Shaft or Bore) Size 5/8 in
Thermal Input Horsepower @ 1750 RPM N/A
Motor HP 1 hp
Input Configuration C-Face Coupled
Box Width 5 7/16 in
Ratio 20:1
Base to Shaft Center Height w/Low Vert. Base Kit 3.38 in
Center Distance 2 3/8 in
Input HP @ RPM 1.27 hp @ 1150 rpm, 1.95 hp @ 1750 rpm
Bolt Centers w/ Std. Base Kit (in) 7 1/16 x 4 7/8
Washdown Duty No
Output Configuration Left & Right Output
Worm Position Universal
Frame Size 56C
Bolt Centers w/ Vertical "J" Base Kit (in) 9.19 x 2.88
Reduction Type Single Reduction
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Max. Thrust Load @ RPM 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm
Base to Centerline of Input Shaft 4.875 in
Bolt Centers w/ Vertical Base Kits (in) 8.94 x 4.88
Box Length 6 3/8 in
Base to Shaft Center Height w/Std. Base Kit 5.19 in
Max. Thrust Load @ 1150 rpm 900 lb/in
Weight 41.1 LB
EAN or UPC 781711527320
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