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Boston GearSBKF721B60B5G

SBKF721B60B5G

700 Series C-Face Quilled Bost-Kleen Reducer w/Stainless Epoxy
Item #102897658
  • 2 1/16" Center Distance
  • 60:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Left Output
  • Top Worm Position
  • No Lubricant
  • Cast Iron, Stainless Steel Epoxy Coating
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Boston GearSBKF721B60B5G
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    Shipment Options
  • 2 1/16" Center Distance
  • 60:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Left Output

features

  • Washable
  • Corrosion-resistant
  • Cast iron housing
  • Plated pressure relief valves
  • Double lipped oil seals
  • Excluder seal on output shaft
  • Hard nontoxic metallic finish
  • 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
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Box Height 7 3/32 in
Output RPM @ Input RPM 29 rpm @ 1750 rpm
Max. Thrust Load @ 1150 rpm 700 lb/in
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Motor Application Washdown Duty
Box Length 6 in
Ratio 60:1
Box Width 5 3/16 in
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Family Name SBKF
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Center Distance 2.0625 in
Output RPM @ 1750 rpm Input 29.2 rpm
Worm Position Top
Base to Centerline of Input Shaft 5 1/16 in
HP @ RPM 0.3333333 hp @ 1200 rpm, 0.5 hp @ 1800 rpm
Output Configuration Left Output
Washdown Duty Yes
Base Yes
Lubrication None
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Use With 721
Bolt Center 6 3/8 in x 4 11/16 in
Fan Cooled No
Thermal Input Horsepower @ 1750 RPM N/A
Housing Material Cast Iron, Stainless Steel Epoxy Coating
Max. Input HP @ 100 rpm 0.055 hp
Reduction Type Single Reduction
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Shaft Assembly Code G
Bore Code B5
Torque Out @ 1750 rpm 826 in lb
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Output (Shaft or Bore) Size 1 in
Input Configuration C-Face Quilled
Input (Shaft or Bore) Size 5/8 in
Torque Out @ 1150 rpm 730 in lb
Installed Options High Horizontal Base
Frame 56C
Base to Centerline of Output Shaft 3 in
Max. Overhung Load @ 1750 rpm 700 lb/in
Output Torque @ RPM 730 in lb @ 1150 rpm, 826 in lb @ 1750 rpm
Frame Size 56C
Input HP @ RPM 0.34 hp @ 1150 rpm, 0.55 hp @ 1750 rpm
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Weight 29.0 LB
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