Species | Features | Picture |
Copper coated pulley | The encapsulation is easy to wear and the bearing clearance is large | |
Zinc alloy pulley | Corrosion resistance, poor impact strength | |
Carbon steel pulley | High hardness, high brittleness, easy to rust, short service life | |
Semi-closed stainless steel pulley | Easy to corrode, accumulate dust, dry and wear | |
Fully enclosed bearin-g stainless steel pull-ey | Strong corrosion resistance, good bearing capacity |