"1GROOVE SHEAVE
This one groove sheave has a diameter of 4 inches and is used for Belts 3/8” to 1/2” wide. It is made from black plastic with a 2L pulley on one side and a 4L pulley on the other side.
The Browning AK56H bushed classical grip belt sheave is for use with all 1-groove belts. The Perfect grip self-cleaning, solid brass bushing is permanently installed and hand polished to a showroom finish. Ideal for heavyweight hunting and blinds belts where extended belt life from the Perfect grip bushing is paramount."
Akpil Bushed Sheave, AK56H, 4L or A Size, 3L Belt, 1 Groove, Uses H Bushing. Browning Replacement Part. ""
_____ Bushed Sheaves are available in two styles. The AK55 has a single groove and the AK56H has two parallel chrome-vanadium steel or manganese bronze grooves which are easier on rope than plain bushings...."
AK56H ---- The Browning AK56H bushed classical grip belt sheave is a 2" sheave that mounts with a 3" belt or 4L webbing. It uses an H bushing. With a groove for an all-purpose strap, the Browning AK56H bushed classical grip belt sheave is versatile for any application."
The Browning Ak56h Bushed Classical Sheave has a groove width of 3/4" The 5" overall length sheave diameter is 1.291 The 4L or A belt size for which it works well is 4 L = 24" to 35" 4A = 43" to 57"
The Bushed Classical Sheave is a fully machined, low-profile sheave that has been turned true and bushed for the perfect fit. This sheave is ideal for use with line suspensions directly off the winch drum or with snatch blocks. The AK56H Series Bushed Classical Sheaves is designed to fit a 3/8" diameter line when using a H Shaped Bushing.