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Boston GearBKF724B20B7J

BKF724B20B7J

700 Series C-Face Quilled Bost-Kleen Reducer
Item #102817611
  • 2 3/8" Center Distance
  • 20:1 Ratio
  • 140TC or 180C Frame
  • C-Face Quilled Input
  • Right Output
  • Top Worm Position
  • No Lubricant
  • Cast Iron, White Epoxy Coating
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Boston GearBKF724B20B7J
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    Shipment Options
  • 2 3/8" Center Distance
  • 20:1 Ratio
  • 140TC or 180C Frame
  • C-Face Quilled Input
  • Right Output

features

  • 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
  • Washable
  • Corrosion-resistant

compliances

  • 0

caution

  • Use of external guides or supports is strongly recommended for overhead mounting.
  • Mounting of speed reducers in overhead positions may be hazardous
Reduction Type Single Reduction
Frame Size 140TC, 180C
Worm Position Top
Max. Overhung Load @ RPM 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm
Base to Centerline of Output Shaft 3 1/4 in
Ratio 20:1
HP @ RPM 1.5 hp @ 1800 rpm
Family Name F
Housing Material Cast Iron¦White Epoxy Coating
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Box Height 7 11/16 in
Bore Code B7
Box Length 6 3/8 in
Fan Cooled No
Box Width 5 7/16 in
Installed Options High Horizontal Base
Washdown Duty Yes
Output Torque @ RPM 1160 in lb @ 1150 rpm, 1233 in lb @ 1750 rpm
Output Configuration Right Output
Center Distance 2 3/8 in
Use With 724
Torque Out @ 1150 rpm 1160 in lb
Torque Out @ 1750 rpm 1233 in lb
Output (Shaft or Bore) Size 1 1/8 in
Max. Thrust Load @ 1150 rpm 900 lb/in
Thermal Input Horsepower @ 1750 RPM N/A
Lubrication None
Motor Application Washdown Duty
Input HP @ RPM 1.27 hp @ 1150 rpm, 1.95 hp @ 1750 rpm
Input Configuration C-Face Quilled
Frame 140TC, 180C
Output RPM @ 1750 rpm Input 87.5 rpm
Shaft Assembly Code J
Input (Shaft or Bore) Size 7/8 in
Bolt Center 7 1/16 in x 4 7/8 in
Max. Thrust Load @ RPM 900 lb/in @ 1150 rpm, 900 lb/in @ 1750 rpm
Max. Overhung Load @ 1750 rpm 900 lb/in
Base to Centerline of Input Shaft 5 1/16 in
Weight 32.0 LB
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