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Boston GearRF718-50-B5-J

RF718-50-B5-J

700 Series C-Face Coupled Reducer
Item #101870476
  • 1 3/4" Center Distance
  • 50:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearRF718-50-B5-J
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    Shipment Options
  • 1 3/4" Center Distance
  • 50:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Right Output

features

  • 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
  • Internal baffles ensure positive, leak-free venting
  • Housing is straddle milled top and bottom for precise alignment
  • Large oil reservoir provides efficient heat dissipation and lubrication for longer life

caution

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Shaft Assembly Code J
Output RPM @ Input RPM 35 rpm @ 1750 rpm
Box Height 5 3/4 in
Keyway Size 3/16 x 3/32
Bolt Center Length x Bolt Center Width 4 3/16 in x 2 3/4 in
Torque Out @ 1750 rpm 573 in lb
Max. Input HP @ 100 rpm 0.038 hp
Base to Centerline of Input Shaft 3 13/16 in
Input Configuration C-Face Coupled
Center Distance 1.75 in
Box Length 5 1/2 in
Base to Centerline of Output Shaft 2 1/16 in
Bolt Centers w/ Vertical "J" Base Kit (in) 7.63 x 2.50
Input (Shaft or Bore) Size 5/8 in
Motor Application General Purpose
Worm Position Universal
Input HP @ RPM 0.24 hp @ 1150 rpm, 0.44 hp @ 1750 rpm
HP @ RPM 0.1666667 hp @ 1200 rpm, 0.3333333 hp @ 1800 rpm
Use With 718
Frame Size 56C
Max. Overhung Load @ 1750 rpm 500 lb/in
Output (Shaft or Bore) Size 7/8 in
Torque Out @ 1150 rpm 470 in lb
Output Configuration Right Output
Max. Thrust Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Box Width 5 1/32 in
Fan Cooled No
Thermal Input Horsepower @ 1750 RPM N/A
Base to Shaft Center Height w/High Vert. Base Kit 4.38 in
Output Torque @ RPM 470 in lb @ 1150 rpm, 573 in lb @ 1750 rpm
Ratio 50:1
Base to Shaft Center Height w/Std. Base Kit 4.38 in
Reduction Type Single Reduction
Lubrication None
Bolt Centers w/ Vertical Base Kits (in) 7.38 x 4.00
Bore Code B5
Bolt Center 4 3/16 in x 2 3/4 in
Family Name RF
Base to Shaft Center Height w/Low Vert. Base Kit 3 in
Max. Thrust Load @ 1150 rpm 500 lb/in
Output RPM @ 1750 rpm Input 35 rpm
Base to Shaft Center Height w/Vert. "J" Base Kit 3.5 in
Bolt Centers w/ Std. Base Kit (in) 5 3/4 x 4 1/2
Motor HP 0.3333 hp
Max. Overhung Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Frame 56C
Washdown Duty No
Housing Material Cast Iron
Weight 27.1 LB
EAN or UPC 781711526910
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