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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
Motor HP 0.3333 hp
Motor Application General Purpose
Center Distance 1.75 in
Max. Overhung Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Torque Out @ 1750 rpm 609 in lb
Base to Shaft Center Height w/Vert. "J" Base Kit 3.5 in
Frame 56C
Input HP @ RPM 0.33 hp @ 1150 rpm, 0.57 hp @ 1750 rpm
Use With 718
Ratio 40:1
Input (Shaft or Bore) Size 5/8 in
Base to Shaft Center Height w/Std. Base Kit 4.38 in
Bolt Center Length x Bolt Center Width 4 3/16 in x 2 3/4 in
HP @ RPM 0.3333333 hp @ 1200 rpm, 0.3333333 hp @ 1800 rpm
Base to Centerline of Input Shaft 3 13/16 in
Reduction Type Single Reduction
Output RPM @ 1750 rpm Input 43.75 rpm
Box Length 5 1/2 in
Bore Code B5
Base to Shaft Center Height w/Low Vert. Base Kit 3 in
Output Torque @ RPM 525 in lb @ 1150 rpm, 609 in lb @ 1750 rpm
Max. Thrust Load @ RPM 500 lb/in @ 1150 rpm, 500 lb/in @ 1750 rpm
Washdown Duty No
Base to Shaft Center Height w/High Vert. Base Kit 4.38 in
Family Name SRF
Bolt Center 4 3/16 in x 2 3/4 in
Bolt Centers w/ Vertical "J" Base Kit (in) 7.63 x 2.50
Keyway Size 3/16 x 3/32
Thermal Input Horsepower @ 1750 RPM N/A
Output RPM @ Input RPM 44 rpm @ 1750 rpm
Frame Size 56C
Max. Input HP @ 100 rpm 0.052 hp
Shaft Assembly Code G
Max. Overhung Load @ 1750 rpm 500 lb/in
Torque Out @ 1150 rpm 525 in lb
Box Width 4 1/8 in
Max. Thrust Load @ 1150 rpm 500 lb/in
Output Configuration Hollow Output
Housing Material Cast Iron
Base to Centerline of Output Shaft 2 1/16 in
Worm Position Universal
Lubrication None
Bolt Centers w/ Vertical Base Kits (in) 7.38 x 4.00
Box Height 5 3/4 in
Input Configuration C-Face Coupled
Fan Cooled No
Output (Shaft or Bore) Size 1 in
Bolt Centers w/ Std. Base Kit (in) 5 3/4 x 4 1/2
Weight 28.1 LB
EAN or UPC 781711458792
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