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Boston GearHF721-15-B5-H-P19

HF721-15-B5-H-P19

700 Series Bostmount C-Face Quilled Reducer
Item #101796526
  • 2 1/16" Center Distance
  • 15:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Hollow Output
  • Universal Worm Position
  • No Lubricant
  • Cast Iron
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Boston GearHF721-15-B5-H-P19
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    Shipment Options
  • 2 1/16" Center Distance
  • 15:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Hollow Output

features

  • High strength steel output shaft ensures capacity for high torque
  • Pipe plugs allow easy fill, level and drain in any mounting position
  • 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
  • Super finished oil seal diameters on both input and output shafts extend seal life

caution

  • Sudden, slam-type stalling should be avoided. Applications of this kind, which are beyond the expected normal performance of pneumatic power motors, will damage the power train due to the dynamic shock loads imposed.
Max. Thrust Load @ 1150 rpm 700 lb/in
Input HP @ RPM 1.06 hp @ 1150 rpm, 1.72 hp @ 1750 rpm
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Frame 56C
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Motor Application General Purpose
Box Height 6 3/8 in
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Washdown Duty No
Max. Input HP @ 100 rpm 0.13 hp
Output RPM @ 1750 rpm Input 117 rpm
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Family Name HF
Base to Centerline of Output Shaft 2 9/32 in
Torque Out @ 1750 rpm 840 in lb
Ratio 15:1
Base to Centerline of Input Shaft 4 11/32 in
Use With 721
Worm Position Universal
Bolt Center Length x Bolt Center Width 5 in x 2 7/8 in
Max. Overhung Load @ 1750 rpm 700 lb/in
Motor HP 3/4 hp
Bolt Center 5 in x 2 7/8 in
Box Width 4 45/64 in
Reduction Type Single Reduction
HP @ RPM 1 hp @ 1800 rpm
Housing Material Cast Iron
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Torque Out @ 1150 rpm 752 in lb
Thermal Input Horsepower @ 1750 RPM N/A
Box Length 6 in
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Shaft Assembly Code H
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Input (Shaft or Bore) Size 5/8 in
Frame Size 56C
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Lubrication None
Output Configuration Hollow Output
Center Distance 2 1/16 in
Output Torque @ RPM 752 in lb @ 1150 rpm, 840 in lb @ 1750 rpm
Bore Code B5
Input Configuration C-Face Quilled
Keyway Size 3/16 x 3/32
Output (Shaft or Bore) Size 1 3/16 in
Fan Cooled No
Weight 26.1 LB
EAN or UPC 781711630280
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