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

RF738-20F-B9-G

700 Series C-Face Coupled Reducer
Item #101853363
  • 3 3/4" Center Distance
  • 20:1 Ratio
  • 180TC or 210C Frame
  • w/Fan
  • C-Face Coupled Input
  • Left Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
+ Show More + Show Less
Boston GearRF738-20F-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
  • w/Fan
  • C-Face Coupled Input

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

  • High loads, high ambient or operating temperatures, and unusually contaminated atmospheres will require more frequent relubrication.
Box Width 8 3/8 in
Installed Options Fan
Bore Code B9
Output RPM @ 1750 rpm Input 87.5 rpm
Motor Application General Purpose
Lubrication None
Max. Overhung Load @ RPM 2000 lb/in @ 1150 rpm, 2000 lb/in @ 1750 rpm
Max. Overhung Load @ 1750 rpm 2000 lb/in
Fan Cooled Yes
Box Height 10 7/16 in
Box Length 10 in
Base to Centerline of Input Shaft 7.625 in
Input HP @ RPM 4.55 hp @ 1150 rpm, 5.95 hp @ 1750 rpm
Output (Shaft or Bore) Size 1 5/8 in
HP @ RPM 5 hp @ 1800 rpm
Center Distance 3 3/4 in
Torque Out @ 1150 rpm 4325 in lb
Keyway Size 1/4 x 1/8
Input (Shaft or Bore) Size 1 1/8 in
Max. Thrust Load @ 1150 rpm 1300 lb/in
Base to Shaft Center Height w/Low Vert. Base Kit 5 1/4 in
Ratio 20:1
Max. Thrust Load @ RPM 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm
Motor HP 5 hp
Shaft Assembly Code G
Output Torque @ RPM 3707 in lb @ 1750 rpm, 4325 in lb @ 1150 rpm
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Thermal Input Horsepower @ 1750 RPM N/A
Bolt Centers w/ Vertical Base Kits (in) 13.94 x 8.00
Base to Centerline of Output Shaft 3.875 in
Torque Out @ 1750 rpm 3707 in lb
Bolt Center 8 1/2 in x 4 3/4 in
Input Configuration C-Face Coupled
Frame Size 180TC, 210C
Washdown Duty No
Housing Material Cast Iron
Worm Position Universal
Family Name RF
Max. Input HP @ 100 rpm 0.61 hp
Reduction Type Single Reduction
Output Configuration Left Output
Frame 180TC, 210C
Bolt Centers w/ Std. Base Kit (in) 10 3/8 x 7
Base to Shaft Center Height w/High Vert. Base Kit 7 in
Base to Shaft Center Height w/Std. Base Kit 7 1/2 in
Weight 101.1 LB
EAN or UPC 781711495919
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison