● Rigid integral structure, easy to install.
● Wide inner ring: conducive to jacking lock, rigid better.
● Top wire: two top wires with an Angle of 120 degrees on the inner ring to ensure easy fastening of the bearing to the shaft.
● Retaining ring: there is one on both sides, will effectively block out the dust.
● Contact rubber seal: it is installed on the inside of the retainer rings on both sides to.