Skip to content Skip to navigation menu
Boston GearRFWA721-400-B5-G

RFWA721-400-B5-G

700 Series 400:1 Ratio G Assembly Double Reduction Without Base Worm Gear Reducer
Item #101877745
  • Double Reduction
  • 400:1 Ratio
  • G Assembly
Boston GearRFWA721-400-B5-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
  • Double Reduction
  • 400:1 Ratio
  • G Assembly

description

  • Our standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving many industries reliably for over 40 years. Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market.

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

  • Do not run Worm Gear units over 200 °F.
Output Torque Rating Range [Max] 1499 lb-in, 159 Nm
Output (Shaft or Bore) Size 1 in
Output Configuration Left Output
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Keyway Size 3/16 x 3/32
Motor Application General Purpose
Motor HP 0.17 hp
Rated Efficiency 42%
Washdown Duty No
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Bore Code B5
Input Configuration C-Face Coupled
Base Mounting Attachment No Base
Output RPM @ 1750 rpm Input 4.38 rpm
Bolt Center 5 in x 2 7/8 in
Thermal Input Horsepower @ 1750 RPM N/A
Output Torque 1025 lb-in
Output Shaft Solid
Worm Position Universal¦Parallel
Fan Cooled No
Media Mapping Style RFWA
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Input Power Rating 0.17 hp, 0.127 kW
Lubrication None
Torque Out @ 1750 rpm 1025 in lb
Center Distance Code 721
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Standard AGMA Service Class I
Input Motor HP 0.17
Torque Out @ 1150 rpm N/A
Shaft Assembly Code G
Ratio 400:1
Housing Material Cast Iron
Style Parallel Shaft
HP @ RPM 0.25 hp @ 1800 rpm
Max. Overhung Load @ 1750 rpm 700 lb/in
Max. Thrust Load @ 1150 rpm 700 lb/in
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Output Speed 4.4 rpm
Output Bore Shaft Dia. 1 in
Center Distance 2.06 in
Box Length 5 13/64 in
Input (Shaft or Bore) Size 5/8 in
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Media Mapping Output G
Base to Centerline of Input Shaft 3 3/8 in
Box Height 6 25/64 in
Box Width 9 55/64 in
Output Torque Rating Range [Min] 1000 lb-in, 110 Nm
Reduction Type Double
Family Name RFWA
Material Cast Iron, Standard Paint
Frame 56C
Base to Centerline of Output Shaft 4 3/32 in
Frame Size 56C
Motor Frame Size B556C
Weight 47.1 LB
EAN or UPC 781711530351
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison