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Boston GearSRF718-40-B5-G

SRF718-40-B5-G

700 Series C-Face Coupled, Hollow Output Reducer
Item #102859463
  • 1 3/4" Center Distance
  • 40:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearSRF718-40-B5-G
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    Shipment Options
  • 1 3/4" Center Distance
  • 40:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Hollow Output

features

  • 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
  • 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
Washdown Duty No
Output Configuration Hollow Output
Worm Position Universal
Motor Application General Purpose
Bolt Centers w/ Vertical "J" Base Kit (in) 7.63 x 2.50
Output RPM @ 1750 rpm Input 43.75 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
Max. Thrust Load @ 1150 rpm 500 lb/in
Keyway Size 3/16 x 3/32
Output Torque @ RPM 525 in lb @ 1150 rpm, 609 in lb @ 1750 rpm
Motor HP 0.3333 hp
Fan Cooled No
Thermal Input Horsepower @ 1750 RPM N/A
HP @ RPM 0.3333333 hp @ 1200 rpm, 0.3333333 hp @ 1800 rpm
Use With 718
Input (Shaft or Bore) Size 5/8 in
Max. Overhung Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Family Name SRF
Torque Out @ 1750 rpm 609 in lb
Torque Out @ 1150 rpm 525 in lb
Frame Size 56C
Max. Thrust Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Base to Shaft Center Height w/High Vert. Base Kit 4.38 in
Reduction Type Single Reduction
Housing Material Cast Iron
Max. Input HP @ 100 rpm 0.052 hp
Bolt Centers w/ Vertical Base Kits (in) 7.38 x 4.00
Ratio 40:1
Base to Shaft Center Height w/Low Vert. Base Kit 3 in
Base to Centerline of Output Shaft 2 1/16 in
Bore Code B5
Input Configuration C-Face Coupled
Max. Overhung Load @ 1750 rpm 500 lb/in
Input HP @ RPM 0.33 hp @ 1150 rpm, 0.57 hp @ 1750 rpm
Box Width 4 1/8 in
Box Height 5 3/4 in
Frame 56C
Output (Shaft or Bore) Size 1 in
Bolt Center Length x Bolt Center Width 4 3/16 in x 2 3/4 in
Center Distance 1.75 in
Shaft Assembly Code G
Output RPM @ Input RPM 44 rpm @ 1750 rpm
Box Length 5 1/2 in
Lubrication None
Base to Shaft Center Height w/Std. Base Kit 4.38 in
Base to Centerline of Input Shaft 3 13/16 in
Bolt Center 4 3/16 in x 2 3/4 in
Weight 28.1 LB
EAN or UPC 781711458792
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