Skip to content Skip to navigation menu
Boston GearRF721-10-B5-J

RF721-10-B5-J

700 Series C-Face Coupled Reducer
Item #101854843
  • 2 1/16" Center Distance
  • 10:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Right Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
+ Show More + Show Less
Boston GearRF721-10-B5-J
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
  • 2 1/16" Center Distance
  • 10:1 Ratio
  • 56C Frame
  • C-Face Coupled Input
  • Right 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
Max. Overhung Load @ 1750 rpm 700 lb/in
Output Configuration Right Output
Box Length 6 in
Washdown Duty No
Max. Input HP @ 100 rpm 0.19 hp
Ratio 10:1
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Output RPM @ 1750 rpm Input 175 rpm
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Output Torque @ RPM 725 in lb @ 1150 rpm, 789 in lb @ 1750 rpm
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Fan Cooled No
Bolt Center 5 in x 2 7/8 in
Thermal Input Horsepower @ 1750 RPM N/A
Torque Out @ 1750 rpm 789 in lb
Shaft Assembly Code J
Frame 56C
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Box Height 6 3/8 in
Housing Material Cast Iron
Reduction Type Single Reduction
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
HP @ RPM 2 hp @ 1800 rpm
Base to Centerline of Output Shaft 2 9/32 in
Output (Shaft or Bore) Size 1 in
Keyway Size 3/16 x 3/32
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Input Configuration C-Face Coupled
Center Distance 2 1/16 in
Box Width 5 3/16 in
Motor HP 1 hp
Input HP @ RPM 1.49 hp @ 1150 rpm, 2.34 hp @ 1750 rpm
Motor Application General Purpose
Max. Thrust Load @ 1150 rpm 700 lb/in
Frame Size 56C
Input (Shaft or Bore) Size 5/8 in
Output RPM @ Input RPM 175 rpm @ 1750 rpm
Bore Code B5
Family Name RF
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Torque Out @ 1150 rpm 725 in lb
Base to Centerline of Input Shaft 4 11/32 in
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Use With 721
Lubrication None
Worm Position Universal
Weight 36.1 LB
EAN or UPC 781711527009
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison