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Boston GearSRF718-25-B5-G

SRF718-25-B5-G

700 Series C-Face Coupled, Hollow Output Reducer
Item #102859462
  • 1 3/4" Center Distance
  • 25:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearSRF718-25-B5-G
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    Shipment Options
  • 1 3/4" Center Distance
  • 25:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Hollow 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

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Torque Out @ 1750 rpm 574 in lb
Output Torque @ RPM 500 in lb @ 1150 rpm, 574 in lb @ 1750 rpm
Bolt Center Length x Bolt Center Width 4 3/16 in x 2 3/4 in
Output RPM @ 1750 rpm Input 70 rpm
Input Configuration C-Face Coupled
Keyway Size 3/16 x 3/32
Ratio 25:1
Box Length 5 1/2 in
Bolt Center 4 3/16 in x 2 3/4 in
Max. Thrust Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Torque Out @ 1150 rpm 500 in lb
Input (Shaft or Bore) Size 5/8 in
Worm Position Universal
Motor Application General Purpose
Family Name SRF
Bore Code B5
Washdown Duty No
Base to Shaft Center Height w/Std. Base Kit 4.38 in
Bolt Centers w/ Vertical Base Kits (in) 7.38 x 4.00
Center Distance 1.75 in
Frame 56C
Input HP @ RPM 0.48 hp @ 1150 rpm, 0.76 hp @ 1750 rpm
Box Height 5 3/4 in
Shaft Assembly Code G
Lubrication None
Output Configuration Hollow Output
Bolt Centers w/ Vertical "J" Base Kit (in) 7.63 x 2.50
Max. Overhung Load @ 1750 rpm 500 lb/in
Base to Shaft Center Height w/High Vert. Base Kit 4.38 in
Fan Cooled No
Base to Shaft Center Height w/Vert. "J" Base Kit 3.5 in
Max. Input HP @ 100 rpm 0.063 hp
Max. Thrust Load @ 1150 rpm 500 lb/in
Output RPM @ Input RPM 70 rpm @ 1750 rpm
Use With 718
Base to Shaft Center Height w/Low Vert. Base Kit 3 in
Box Width 4 1/8 in
HP @ RPM 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm
Base to Centerline of Output Shaft 2 1/16 in
Base to Centerline of Input Shaft 3 13/16 in
Thermal Input Horsepower @ 1750 RPM N/A
Output (Shaft or Bore) Size 1 in
Bolt Centers w/ Std. Base Kit (in) 5 3/4 x 4 1/2
Frame Size 56C
Max. Overhung Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Housing Material Cast Iron
Motor HP 0.5 hp
Reduction Type Single Reduction
Weight 28.1 LB
EAN or UPC 781711458693
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