BWG4 Hollow Bore Single End Shaft

10:1 or 20:1 Ratio

  • 1.333-inch Bore/Shaft Centerline Distance
  • Sealed, Leak Proof Gearcase
  • Machined Aluminum Construction
  • Anodized Gearcase
  • 303/304 Stainless Steel Shafts
  • 8620 Heat Treated Case 4-Start Worm
  • 40 Tooth Worm Gear
  • Double Sealed Ball Bearings
  • Pre-Lubricated w/Lubriplate 1500 Grade 00
  • 1/8 NPTF Lube Port (2)
  • Keys Included


RatioChoose 10:1 or 20:1
# of Shafts1 - Single End
(A) Shaft/Bore Dia..625 in.
(B) Bore Dia.Choose .625 in., .750 in. or 1.00 in.
# Ball Bearings6
Max Torque624 in. lb.
Speed Rating1800
Mounting TypeSide Base
Mounting1/4-20 x .44 DP
Key Size(A) Bore 3/16 Sq., (B) Bore 3/16 x 3/32
Click image to enlarge
Worm BWG4 Logo WCB

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