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

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

 3.Urethane spiders provide high obrasion resistance and elasticity ,along with good damping characteristics,and compensate radial ,angular and aaxial deviations.

 4.Detachable design ,easy installation.

 5.Fastening method of clamping screw.

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