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Boston Gear7715-20-J

7715-20-J

700 Series 20:1 Ratio J Assembly Single Reduction Worm Gear Reducer Without Base
Item #101806685
  • 0.75 Input Motor hp
  • 700 Series
  • 1.54 in Center Distance
  • Single Reduction
Boston Gear7715-20-J
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    Shipment Options
  • 0.75 Input Motor hp
  • 700 Series
  • 1.54 in Center Distance
  • Single Reduction

description

  • Our standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving many industries reliably for over 40 years. Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market.

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

  • Periodic inspection is required to determine if the unit is in proper working order by inspecting and replacing the urethane seal, inspecting to see if material buildup has occurred and ensuring proper adjustment and tightness of all adjustable bolts.
  • The Guardian™ is designed to help minimize the potential for danger but cannot guarantee protection in all situations or applications.
Bolt Centers w/ Vertical "J" Base Kit (in) 7.25 x 2.50
Output RPM @ 1750 rpm Input 87.5 rpm
Input (Shaft or Bore) Size 5/8 in
Base to Centerline of Output Shaft 1 29/32 in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.5 in
Output Shaft Solid
Base to Shaft Center Height w/Low Vert. Base Kit 3 in
Max. Input HP @ 100 rpm 0.056 hp
Input HP @ RPM 0.43 hp @ 1150 rpm, 0.72 hp @ 1750 rpm
Output Torque Rating Range [Max] 499 lb-in, 59 Nm
Reduction Type Single
Input Power Rating 0.72 hp, 0.537 kW
Box Height 5 3/8 in
Style Right Angle
Frame N/A
Output Bore Shaft Dia. 0.75 in
Torque Out @ 1150 rpm 380 in lb
Bolt Centers w/ Vertical Base Kits (in) 6.97 x 4.00
Bolt Center 5 1/4 in x 4 5/16 in
Input Motor HP 0.75
Center Distance Code 715
Max. Thrust Load @ 1150 rpm 400 lb/in
Output Speed 87.5 rpm
Bolt Centers w/ Std. Base Kit (in) 5 1/4 x 4 5/16
Family Name Std Unit
Torque Out @ 1750 rpm 435 in lb
Base to Shaft Center Height w/Std. Base Kit 4.06 in
Output Torque @ RPM 380 in lb @ 1150 rpm, 435 in lb @ 1750 rpm
Housing Material Cast Iron
Media Mapping Output J
Shaft Assembly Code J
Use With 715
Max. Overhung Load @ RPM 300 lb/in @ 1150 rpm, 300 lb/in @ 1750 rpm
Base to Centerline of Input Shaft 3 29/64 in
Worm Position Universal
Frame Size Shaft Input, Not a C-Face
Series 700
Box Width 3 11/16 in
Material Cast Iron, Standard Paint
Input Configuration Shaft Input
Output Torque Rating Range [Min] 300 lb-in, 35 Nm
Ratio 20:1
Thermal Input Horsepower @ 1750 RPM N/A
Max. Thrust Load @ RPM 400 lb/in @ 1150 rpm, 400 lb/in @ 1750 rpm
Output Configuration Right Output
Washdown Duty No
Box Length 5 1/8 in
Rated Efficiency 84%
Bolt Center Length x Bolt Center Width 5 1/4 in x 4 5/16 in
Max. Overhung Load @ 1750 rpm 300 lb/in
Center Distance 1.54 in
Output (Shaft or Bore) Size 3/4 in
Base Mounting Attachment No Base
Base to Shaft Center Height w/High Vert. Base Kit 4.38 in
Output RPM @ Input RPM 88 rpm @ 1750 rpm
Output Torque 435 lb-in
Fan Cooled No
HP @ RPM 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm
Standard AGMA Service Class I
Output Shaft Projection Solid Right Output
Motor Application General Purpose
Lubrication None
Weight 17.1 LB
EAN or UPC 781711516416
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