YH88B Cast Iron Spur Gear 4.375" ID and internal gears

and internal gears

Provides greater axial holding power than set screw or one-piece clamping collars

Porous flanged bronze bearing is press-fit in sturdy zinc die cast sphere with felt strip for lubrication

Design fully engages the shaft without marring

YH88B Cast Iron Spur Gear 4.375" ID and internal gearsBoston Gear spur gears are designed to transmit motion and power between parallel shafts. The different styles offered include spur, gear rack, pinion wire, stem pinions, and internal gears, and most come with a selection of bore diameters, keyways, and setscrews to accommodate a wide variety of application requirements. They are available in plastic, non metallic, brass, steel, and cast iron and are manufactured in a variety of styles, including