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