Browning 1078948 Type Q Split Taper Bushing 1-7/16 in

Product Description

The BROWNING 1078948 is a Type Q split taper sprocket bushing designed for secure shaft mounting in belt drive and chain drive systems. With a 1-7/16 inch bore diameter (1.4375 inches) and a 4.125 inch outside diameter, this bushing transmits torque through a 3/8 inch wide by 3/16 inch deep keyway. Maximum rated torque is 348 inch-pounds. Cast iron construction provides durability under the cyclic loading typical of industrial power transmission applications. Licensed HVAC, mechanical, and industrial service technicians will encounter this bushing in fan assemblies, blower drives, and conveyor systems.

The 1078948 is used in split taper sheave and sprocket installations where a reliable, removable shaft connection is needed. The split taper design allows the bushing to be installed and removed without damaging the bore or shaft. Thread size is 3/8 inch by 1-1/4 inch for the mounting fasteners. It is suited for both light commercial and industrial drive configurations where the Q bushing series dimensions are specified.

Key Features

• Type Q split taper design for tool-accessible installation and removal
• 1-7/16 inch bore with 3/8 inch wide by 3/16 inch deep keyway
• 4.125 inch outside diameter fits Q-series sheaves and sprockets
• Maximum torque rating of 348 inch-pounds
• Cast iron construction for resistance to wear and cyclic loading
• 3/8 inch by 1-1/4 inch mounting thread size

Compatibility

Designed for use with split taper sprockets and sheaves that accept the Q bushing series.

Installation Notes

Installation should be performed by a qualified mechanical or industrial technician familiar with power transmission components. Disengage and lock out all drive power before servicing any sheave, sprocket, or bushing assembly. Clean the bore and shaft mating surfaces before seating the bushing, and torque mounting fasteners evenly in a cross pattern. Do not hammer the bushing onto the shaft, as impact loading can crack the cast iron body.