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Boston GearRF721-10-B5-G

RF721-10-B5-G

700 Series C-Face Coupled Reducer
Item #101871091
  • 2 1/16" Center Distance
  • 10:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Left Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF721-10-B5-G
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    Shipment Options
  • 2 1/16" Center Distance
  • 10:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Left 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

  • Service center personnel can advise what listings and approvals motors carry, but cannot evaluate nor recommend what motors may be suitable for use in hazardous environments
  • Only the end user or a qualified underwriter is to identify and select the proper class, group, division and temperature code motor to meet the requirements of each installation
Center Distance 2 1/16 in
Worm Position Universal
Frame Size 56C
Ratio 10:1
Use With 721
HP @ RPM 2 hp @ 1800 rpm
Input Configuration C-Face Coupled
Output Configuration Left Output
Max. Input HP @ 100 rpm 0.19 hp
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Box Length 6 in
Housing Material Cast Iron
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Reduction Type Single Reduction
Input HP @ RPM 1.49 hp @ 1150 rpm, 2.34 hp @ 1750 rpm
Family Name RF
Output (Shaft or Bore) Size 1 in
Bolt Center 5 in x 2 7/8 in
Lubrication None
Washdown Duty No
Frame 56C
Keyway Size 3/16 x 3/32
Box Width 5 3/16 in
Bore Code B5
Max. Overhung Load @ 1750 rpm 700 lb/in
Base to Centerline of Input Shaft 4 11/32 in
Max. Thrust Load @ 1150 rpm 700 lb/in
Motor Application General Purpose
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Thermal Input Horsepower @ 1750 RPM N/A
Fan Cooled No
Torque Out @ 1150 rpm 725 in lb
Output Torque @ RPM 725 in lb @ 1150 rpm, 789 in lb @ 1750 rpm
Box Height 6 3/8 in
Output RPM @ 1750 rpm Input 175 rpm
Shaft Assembly Code G
Motor HP 1 hp
Base to Centerline of Output Shaft 2 9/32 in
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Torque Out @ 1750 rpm 789 in lb
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
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
Input (Shaft or Bore) Size 5/8 in
Weight 36.1 LB
EAN or UPC 781711526989
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