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The VALUE COLLECTION 72XL0376SFB3/8 is a 72-tooth timing belt pulley designed for XL-series synchronous belt drives. It features a 3/8-inch bore, a 4.564-inch outside diameter, and a 4.584-inch pitch diameter. The face width measures 0.563 inches, accommodating 1/4-inch and 3/8-inch wide XL timing belts. Constructed from steel cast iron, this pulley delivers the rigidity and dimensional stability required for precise power transmission in industrial and mechanical drive systems. Maintenance technicians and mechanical assemblers install this type of component in conveyor systems, indexing drives, and light-duty machine tool applications.
This pulley is suited for use in synchronous belt drive assemblies where accurate tooth engagement and consistent belt pitch are critical. The XL tooth profile is a standard inch-series designation commonly found in moderate-load, moderate-speed drive configurations. Applications include packaging equipment, printing machinery, and automated assembly line drives where timing accuracy must be maintained across the full width of the belt.
Designed for use with XL-series synchronous timing belts with 1/4-inch or 3/8-inch belt widths. Verify bore diameter, pitch diameter, and tooth count against existing drive specifications before installation.
Installation should be performed by a qualified mechanical technician. Disconnect and lock out all power to the drive system before removing or installing belt pulleys. Ensure the bore fits the shaft without forcing, and confirm proper belt tension and pulley alignment before returning the drive to service. Consult the equipment manufacturer's drive design specifications for recommended interference fits and keyway requirements.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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