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Boston GearBKF738B50B7J

BKF738B50B7J

700 Series C-Face Quilled Bost-Kleen Reducer
Item #102817520
  • 3 3/4" Center Distance
  • 50:1 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 GearBKF738B50B7J
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    Shipment Options
  • 3 3/4" Center Distance
  • 50:1 Ratio
  • 140TC or 180C Frame
  • C-Face Quilled Input
  • Right 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

  • Use of external guides or supports is strongly recommended for overhead mounting.
Fan Cooled No
Output Configuration Right Output
Max. Overhung Load @ RPM 2000 lb/in @ 1150 rpm, 2000 lb/in @ 1750 rpm
Output RPM @ 1750 rpm Input 35 rpm
Ratio 50:1
Washdown Duty Yes
Worm Position Top
Max. Thrust Load @ RPM 1300 lb/in @ 1150 rpm, 1300 lb/in @ 1750 rpm
Base to Centerline of Output Shaft 4 13/16 in
Housing Material Cast Iron¦White Epoxy Coating
Input HP @ RPM 1.67 hp @ 1150 rpm, 2.28 hp @ 1750 rpm
Max. Overhung Load @ 1750 rpm 2000 lb/in
Input Configuration C-Face Quilled
Output Torque @ RPM 3280 in lb @ 1750 rpm, 3400 in lb @ 1150 rpm
Torque Out @ 1750 rpm 3280 in lb
Input (Shaft or Bore) Size 7/8 in
Frame 140TC, 180C
Box Length 10 in
Installed Options High Horizontal Base
Shaft Assembly Code J
Bore Code B7
Lubrication None
Output (Shaft or Bore) Size 1 5/8 in
Bolt Center Length x Bolt Center Width 10 3/8 in x 7 in
Family Name F
Thermal Input Horsepower @ 1750 RPM N/A
Box Height 11 3/8 in
Max. Thrust Load @ 1150 rpm 1300 lb/in
Bolt Center 10 3/8" x 7"
Reduction Type Single Reduction
Center Distance 3.75 in
Motor Application Washdown Duty
Base Yes
Torque Out @ 1150 rpm 3400 in lb
Box Width 8 3/8 in
HP @ RPM 2 hp @ 1800 rpm
Base to Centerline of Input Shaft 8 9/16 in
Frame Size 140TC, 180C
Output RPM @ Input RPM 35 rpm @ 1750 rpm
Weight 131.0 LB
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