Browning® Variable Pitch Sheave, Series: FHP Series, Finished Bore Type, 5/8 in Bore Dia, 4.15 in Outside Dia, 2.7 to 3.5 in, 1 Grooves, Iron, For Use With: 3L, 4L or A, 5L or B Belts, Additional Information: 3/16 x 3/32 in Keyway Size

• Largest selection in the Industry - Browning offers the widest range of variable speed sheaves in the market today. One and two Groove product are available in 1.6" to 8.5" covering up to 25 horsepower.
• VP sheaves consist of a male with a threaded barrel and a female with a threaded bore.
• The male section with threaded barrel has flat surfaces at 180 degree increments that allow a flat surface for the setscrew to mate with.
• When discs are moved toward each other, the belt rides higher in the groove and the pitch diameter of the sheave is larger which increases the driven speed.
• When discs are moved away from each other, the belt rides lower and the pitch diameter is smaller decreasing the driven speed.