BT206 cast iron worm gear speed reducer.
This 40:1 ratio speed reducer is rated for 0.81 HP input at 1750 RPM on a hollow 5/8" diameter x 1-7/8" long keyed shaft and 56C mounting flange.
Output is 876 lb/in on a 1" diameter x 2" long keyed shaft.
Common mounting pattern of 5" x 2-7/8" with 3/8-16 tapped holes top and bottom.
Comparable to F721, 206Q, 206WBM, BMQ220, F121, and others.
This reducer features a durable cast iron housing finished in gray and comes pre-filled with synthetic ISO 320 oil.