Best Double Sheave Pulley Block

Martin JA 1 Quick Disconnect Bushing, Sintered Steel, Inch, 1\ Bore, 1.375\ OD, 1.06\ Length

Quick disconnect bushing for mounting a pulley, sheave, or sprocket on a drive shaft.
Split through flange and taper to provide strong clamping on the shaft.
Sintered steel for greater strength and resistance to wear than steel.
Keyed to the shaft to prevent the shaft from rotating in the bushing.
Set screw over keyway to help keep key in place on vertical shafts and with vibrating loads.

Martin SDS 2 Quick Disconnect Bushing, Ductile Iron, Inch, 2\ Bore, 2.187\ OD, 1.37\ Length

Quick disconnect bushing for mounting a pulley, sheave, or sprocket on a drive shaft.
Split through flange and taper to provide strong clamping on the shaft.
Ductile iron for greater strength than gray cast iron and resistance to wear, galling, and corrosion.
Keyed to the shaft to prevent the shaft from rotating in the bushing.
Set screw over keyway to help keep key in place on vertical shafts and with vibrating loads.

Martin JA 7/16 Quick Disconnect Bushing, Sintered Steel, Inch, 0.43\ Bore, 1.375\ OD, 1.06\ Length

Quick disconnect bushing for mounting a pulley, sheave, or sprocket on a drive shaft.
Split through flange and taper to provide strong clamping on the shaft.
Sintered steel for greater strength and resistance to wear than steel.
Keyed to the shaft to prevent the shaft from rotating in the bushing.
Set screw over keyway to help keep key in place on vertical shafts and with vibrating loads.

Martin SK 7/8 Quick Disconnect Bushing, Sintered Steel, Inch, 0.87\ Bore, 2.812\ OD, 1.93\ Length

Quick disconnect bushing for mounting a pulley, sheave, or sprocket on a drive shaft.
Split through flange and taper to provide strong clamping on the shaft.
Sintered steel for greater strength and resistance to wear than steel.
Keyed to the shaft to prevent the shaft from rotating in the bushing.
Set screw over keyway to help keep key in place on vertical shafts and with vibrating loads.

Martin SDS 1 1/8 Quick Disconnect Bushing, Sintered Steel, Inch, 1.13\ Bore, 2.187\ OD, 1.37\ Length

Quick disconnect bushing for mounting a pulley, sheave, or sprocket on a drive shaft.
Split through flange and taper to provide strong clamping on the shaft.
Sintered steel for greater strength and resistance to wear than steel.
Keyed to the shaft to prevent the shaft from rotating in the bushing.
Set screw over keyway to help keep key in place on vertical shafts and with vibrating loads.

Martin SF 1 7/16 Quick Disconnect Bushing, Sintered Steel, Inch, 1.44\ Bore, 3.125\ OD, 2.06\ Length

Quick disconnect bushing for mounting a pulley, sheave, or sprocket on a drive shaft.
Split through flange and taper to provide strong clamping on the shaft.
Sintered steel for greater strength and resistance to wear than steel.
Keyed to the shaft to prevent the shaft from rotating in the bushing.
Set screw over keyway to help keep key in place on vertical shafts and with vibrating loads.

Martin SK 2 1/2 Quick Disconnect Bushing, Ductile Iron, Inch, 2.5\ Bore, 2.812\ OD, 1.93\ Length

Quick disconnect bushing for mounting a pulley, sheave, or sprocket on a drive shaft.
Split through flange and taper to provide strong clamping on the shaft.
Ductile iron for greater strength than gray cast iron and resistance to wear, galling, and corrosion.
Keyed to the shaft to prevent the shaft from rotating in the bushing.
Set screw over keyway to help keep key in place on vertical shafts and with vibrating loads.

Martin SDS 1 Quick Disconnect Bushing, Class 30 Gray Cast Iron, Inch, 1\ Bore, 2.187\ OD, 1.37\ Length

Quick disconnect bushing for mounting a pulley, sheave, or sprocket on a drive shaft.
Split through flange and taper to provide strong clamping on the shaft.
Class 30 gray cast iron for resistance to wear, galling, and corrosion.
Keyed to the shaft to prevent the shaft from rotating in the bushing.
Set screw over keyway to help keep key in place on vertical shafts and with vibrating loads.

Martin E 1 Quick Disconnect Bushing, Class 30 Gray Cast Iron, Inch, 1\ Bore, 3.834\ OD, 2.62\ Length

Quick disconnect bushing for mounting a pulley, sheave, or sprocket on a drive shaft.
Split through flange and taper to provide strong clamping on the shaft.
Class 30 gray cast iron for resistance to wear, galling, and corrosion.
Keyed to the shaft to prevent the shaft from rotating in the bushing.
Set screw over keyway to help keep key in place on vertical shafts and with vibrating loads.

Martin E 2 3/8 Quick Disconnect Bushing, Ductile Iron, Inch, 2.38\ Bore, 3.834\ OD, 2.62\ Length

Quick disconnect bushing for mounting a pulley, sheave, or sprocket on a drive shaft.
Split through flange and taper to provide strong clamping on the shaft.
Ductile iron for greater strength than gray cast iron and resistance to wear, galling, and corrosion.
Keyed to the shaft to prevent the shaft from rotating in the bushing.
Set screw over keyway to help keep key in place on vertical shafts and with vibrating loads.