1.Zero rotation clearance ,applicable to positive and negative rotation.

 2.Resistant to oil ,dirt ,sand,grease ,moisture,many solvents,aas well as the atmospheric effects of ozone.

 3.Urethane spiders provide high abrasion resistance and elasticity ,along with good dampinng characteristics and compensate radial ,angular and axial deviations.

 4.Detachable design ,easy installation .

 5.Fastening method of clamping screw.

 6.The main part is made of high strength aluminium alloy.