SD Bushing

QTL TAPER BUSHINGS
Cast Iron - Made in China
"SD" Style Bushing

The suffix letter on the pulley number indicates the bushing style required.
Example: 3C50-SD (requires a SD bushing)
Resource: Click here for easy to use pulley lookup web guide
Type and load-bearing capacity A bushing's load-bearing capacity is related with tightening torque and shaft size and the load-bearing capacity increases as the shaft size enlarges.
IMPORTANT: Screws must be tightened evenly. Over tightening the screws may cause the hub or sheave to crack.
Keyway Seats
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