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Boston GearRF718-25-B5-G

RF718-25-B5-G

700 Series C-Face Coupled Reducer
Item #101871090
  • 1 3/4" Center Distance
  • 25:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Left Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF718-25-B5-G
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    Shipment Options
  • 1 3/4" Center Distance
  • 25:1 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

  • Motors misapplied in hazardous environments can cause a fire or explosion, resulting in destruction of property, serious injury or death
  • 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
  • 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
Input (Shaft or Bore) Size 5/8 in
Output (Shaft or Bore) Size 7/8 in
Max. Thrust Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Worm Position Universal
Output Configuration Left Output
Torque Out @ 1750 rpm 574 in lb
Center Distance 1 3/4 in
Box Width 5 1/32 in
Ratio 25:1
Output RPM @ 1750 rpm Input 70 rpm
Lubrication None
Bolt Center 4 3/16 in x 2 3/4 in
Bolt Centers w/ Std. Base Kit (in) 5 3/4 x 4 1/2
Bolt Center Length x Bolt Center Width 4 3/16 in x 2 3/4 in
Use With 718
Housing Material Cast Iron
Input Configuration C-Face Coupled
Frame 56C
Max. Overhung Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Washdown Duty No
Keyway Size 3/16 x 3/32
Shaft Assembly Code G
Motor HP 1/2 hp
Base to Centerline of Output Shaft 2 1/16 in
Box Length 5 1/2 in
Base to Shaft Center Height w/High Vert. Base Kit 4.38 in
Max. Overhung Load @ 1750 rpm 500 lb/in
Torque Out @ 1150 rpm 500 in lb
Bolt Centers w/ Vertical Base Kits (in) 7.38 x 4.00
Max. Thrust Load @ 1150 rpm 500 lb/in
HP @ RPM 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm
Output Torque @ RPM 500 in lb @ 1150 rpm, 574 in lb @ 1750 rpm
Motor Application General Purpose
Bore Code B5
Box Height 5 3/4 in
Base to Shaft Center Height w/Low Vert. Base Kit 3 in
Base to Centerline of Input Shaft 3 13/16 in
Fan Cooled No
Bolt Centers w/ Vertical "J" Base Kit (in) 7.63 x 2.50
Base to Shaft Center Height w/Std. Base Kit 4.38 in
Input HP @ RPM 0.48 hp @ 1150 rpm, 0.76 hp @ 1750 rpm
Max. Input HP @ 100 rpm 0.063 hp
Family Name RF
Base to Shaft Center Height w/Vert. "J" Base Kit 3.5 in
Thermal Input Horsepower @ 1750 RPM N/A
Reduction Type Single Reduction
Frame Size 56C
Weight 27.1 LB
EAN or UPC 781711526804
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