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Boston GearBKF721B25B5G

BKF721B25B5G

700 Series C-Face Quilled Bost-Kleen Reducer
Item #102819602
  • 2 1/16" Center Distance
  • 25:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Left Output
  • Top Worm Position
  • No Lubricant
  • Cast Iron, White Epoxy Coating
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Boston GearBKF721B25B5G
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    Shipment Options
  • 2 1/16" Center Distance
  • 25:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Left Output

features

  • Washable
  • Corrosion-resistant
  • Durable white epoxy finish
  • Cast iron housing
  • Plated pressure relief valves
  • Double lipped oil seals
  • 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

compliances

  • 0

caution

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Bore Code B5
Worm Position Top
Use With 721
Input (Shaft or Bore) Size 5/8 in
Bolt Center Length x Bolt Center Width 6 3/8 in x 4 11/16 in
Base Yes
HP @ RPM 1 hp @ 1800 rpm
Base to Centerline of Input Shaft 5 1/16 in
Shaft Assembly Code G
Family Name F
Thermal Input Horsepower @ 1750 RPM N/A
Torque Out @ 1750 rpm 875 in lb
Frame 56C
Output Torque @ RPM 790 in lb @ 1150 rpm, 875 in lb @ 1750 rpm
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Base to Centerline of Output Shaft 3 in
Box Height 7 3/32 in
Installed Options High Horizontal Base
Ratio 25:1
Frame Size 56C
Output RPM @ 1750 rpm Input 70 rpm
Bolt Center 6 3/8 in x 4 11/16 in
Input HP @ RPM 0.72 hp @ 1150 rpm, 1.16 hp @ 1750 rpm
Box Width 5 3/16 in
Output RPM @ Input RPM 70 rpm @ 1750 rpm
Torque Out @ 1150 rpm 790 in lb
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Input Configuration C-Face Quilled
Max. Thrust Load @ 1150 rpm 700 lb/in
Housing Material Cast Iron¦White Epoxy Coating
Motor Application Washdown Duty
Output (Shaft or Bore) Size 1 in
Center Distance 2 1/16 in
Box Length 6 in
Fan Cooled No
Lubrication None
Output Configuration Left Output
Max. Overhung Load @ 1750 rpm 700 lb/in
Reduction Type Single Reduction
Washdown Duty Yes
Weight 25.0 LB
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