This Crank Shaft Sleeve Adapter is fitment for Pulsar Lawn PTG1220D5,for Sun Joe MJ404E-360-RED, for Sun Joe MJ408E, for Realm RM-LM01-B2Z-340, etc
Function: By expanding the crankshaft diameter from 1 inch to 1 1/8 inch and extending it by 1.5 inches to accommodate larger pulleys, gearboxes, etc., it can meet the speed and power requirements of existing components without the need to replace new motors or pulleys.
Material and Durability: Made of precision CNC machined 304 stainless steel material, it has the characteristics of high strength, corrosion resistance, and wear resistance. It is not easy to deform or rust, effectively protecting the crankshaft and extending its service life.
Packaging content: Includes 1 shaft sleeve adapter,1*1/4"x 5/16" x 2"Key, 1*1/4" x 1/4 "x 1" Key,1 3/8-24 screw, 1 7/16-20 screw, and 1 gasket to meet installation requirements.
Installation and use: Easy to install, the adapter is fixed to the crankshaft with screws, and the keyway key ensures perfect fit. The center through-hole design of the adapter facilitates the adjustment of pulley speed or belt replacement, with smooth operation, low noise, and minimal vibration.