Skip to content Skip to navigation menu
Boston GearRF738-20E-B9-G

RF738-20E-B9-G

700 Series C-Face Coupled Reducer
Item #101870884
  • 3 3/4" Center Distance
  • 20:1 Ratio
  • 180TC or 210C Frame
  • C-Face Coupled Input
  • Left Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
+ Show More + Show Less
Boston GearRF738-20E-B9-G
Price Unavailable
Price Unavailable
Pricing is unavailable at this time. Please contact Customer Service for assistance.
Online Ordering Restricted
Please contact Customer Service for assistance.
Contact Customer Service
    Shipment Options
  • 3 3/4" Center Distance
  • 20:1 Ratio
  • 180TC or 210C 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

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Washdown Duty No
Worm Position Universal
Output Configuration Left Output
Fan Cooled No
Max. Thrust Load @ 1150 rpm 1300 lb/in
Base to Centerline of Output Shaft 3 7/8 in
HP @ RPM 5 hp @ 1800 rpm
Bolt Centers w/ Vertical Base Kits (in) 13.94 x 8.00
Box Length 10 in
Base to Centerline of Input Shaft 7 5/8 in
Box Width 8 3/8 in
Output Torque @ RPM 3285 in lb @ 1750 rpm, 3900 in lb @ 1150 rpm
Motor HP 5 hp
Output (Shaft or Bore) Size 1 5/8 in
Max. Input HP @ 100 rpm 0.61 hp
Frame 180TC, 210C
Torque Out @ 1150 rpm 3900 in lb
Box Height 10 7/16 in
Base to Shaft Center Height w/High Vert. Base Kit 7 in
Torque Out @ 1750 rpm 3285 in lb
Ratio 20:1
Bolt Center 8 1/2 in x 4 3/4 in
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Base to Shaft Center Height w/Low Vert. Base Kit 5 1/4 in
Input Configuration C-Face Coupled
Max. Overhung Load @ 1750 rpm 2000 lb/in
Output RPM @ 1750 rpm Input 87.5 rpm
Input HP @ RPM 4.1 hp @ 1150 rpm, 5 hp @ 1750 rpm
Housing Material Cast Iron
Input (Shaft or Bore) Size 1 1/8 in
Base to Shaft Center Height w/Std. Base Kit 7 1/2 in
Thermal Input Horsepower @ 1750 RPM N/A
Reduction Type Single Reduction
Bore Code B9
Motor Application General Purpose
Bolt Centers w/ Std. Base Kit (in) 10 3/8 x 7
Max. Overhung Load @ RPM 2000 lb/in @ 1150 rpm, 2000 lb/in @ 1750 rpm
Lubrication None
Frame Size 180TC, 210C
Shaft Assembly Code G
Center Distance 3 3/4 in
Max. Thrust Load @ RPM 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm
Family Name RF
Keyway Size 1/4 x 1/8
Weight 101.1 LB
EAN or UPC 781711528068
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison