HTD 3M Timing Belt Pulley BF-Type 48T-150T Bore 6-30mm For 16mm Wide Timing Belt

Simple Maintenance: The Synchronous Wheel Transmission System Does Not Require Frequent Lubricant And Other Maintenance Operations. It Only Needs To Regularly Check The Tension And Wear Of The Synchronous Belt, As Well As The Operation Of The Synchronous Wheel.

eBay