Skip to content Skip to navigation menu
Boston GearBKCF721B-30SP-B5-GS1

BKCF721B-30SP-B5-GS1

700 Series C-Face Quilled Bost-Kleen Reducer
Item #101871184
  • 2 1/16" Center Distance
  • 30:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Left Output
  • Top Worm Position
  • Mobil SHC634 Synthetic Lubricant
  • Cast Iron, White Epoxy Coating
+ Show More + Show Less
Boston GearBKCF721B-30SP-B5-GS1
Price Unavailable
Price Unavailable
Pricing is unavailable at this time. Please contact Customer Service for assistance.
Online Ordering Restricted
Please contact Customer Service for assistance.
Contact Customer Service
    Shipment Options
  • 2 1/16" Center Distance
  • 30:1 Ratio
  • 56C Frame
  • C-Face Quilled Input
  • Left Output

features

  • 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
  • Internal baffles ensure positive, leak-free venting
  • 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
  • Rugged housing fabricated of fine-grained cast iron for maximum strength and greater precision during worm and gear alignment

compliances

  • 0

caution

  • Must be filled to the proper level with the recommended lubricant for your application before operation
Fan Cooled No
Center Distance 2 1/16 in
Base to Shaft Center Height w/Std. Base Kit 4.81 in
Reduction Type Single Reduction
Motor Application Washdown Duty
Thermal Input Horsepower @ 1750 RPM N/A
Use With 721
Output (Shaft or Bore) Size 1 in
Input HP @ RPM 0.62 hp @ 1150 rpm, 0.99 hp @ 1750 rpm
Bolt Center 6 3/8 in x 4 11/16 in
Output Torque @ RPM 795 in lb @ 1150 rpm, 871 in lb @ 1750 rpm
Installed Options High Horizontal Base, Mobil SHC634 Synthetic Lubricant
Shaft Assembly Code G
Bolt Centers w/ Vertical Base Kits (in) 8 3/8 x 4 7/8
Bolt Centers w/ Std. Base Kit (in) 6 3/8 x 4 11/16
Box Length 6 in
Max. Input HP @ 100 rpm 0.086 hp
HP @ RPM 0.75 hp @ 1800 rpm
Lubrication Mobil SHC634 Synthetic
Bore Code B5
Base to Centerline of Input Shaft 5 1/16 in
Bolt Center Length x Bolt Center Width 6 3/8 in x 4 11/16 in
Base to Shaft Center Height w/High Vert. Base Kit 4.88 in
Max. Thrust Load @ 1150 rpm 700 lb/in
Max. Overhung Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Base to Shaft Center Height w/Low Vert. Base Kit 3.13 in
Output Configuration Left Output
Torque Out @ 1150 rpm 795 in lb
Output RPM @ Input RPM 58 rpm @ 1750 rpm
Input (Shaft or Bore) Size 5/8 in
Ratio 30:1
Base Yes
Frame Size 56C
Torque Out @ 1750 rpm 871 in lb
Bolt Centers w/ Vertical "J" Base Kit (in) 8.63 x 2.63
Max. Overhung Load @ 1750 rpm 700 lb/in
Base to Shaft Center Height w/Vert. "J" Base Kit 3.94 in
Box Width 5 3/16 in
Base to Centerline of Output Shaft 3 in
Washdown Duty Yes
Worm Position Top
Input Configuration C-Face Quilled
Family Name F
Max. Thrust Load @ RPM 700 lb/in @ 1150 rpm, 700 lb/in @ 1750 rpm
Box Height 7 3/32 in
Housing Material Cast Iron¦White Epoxy Coating
Output RPM @ 1750 rpm Input 58.33 rpm
Frame 56C
Weight 26.1 LB
EAN or UPC 781711573112
We're here for you
with Service Centers across the country -
We have your back
Close Compare List Open Compare List Toggle

Product Comparison