6418, 6418N, 6418Z, 6418ZZ, 6418-RZ, 6418-2RZ, 6418RS, 6418-2RS deep groove ball bearing Basic Information Structure : Deep Groove Type Ball Model Number: 6418 Inner diameter : 90 mm±0.0001 mm Outer diameter: 225 mm±0.0001 mm Width: 54 mm±0.0001 mm Rated load(Kn): Cr:186;Cor:146 Weight: 11.5 Kg C Similar type: 6418, 6418N, 6418Z, 6418ZZ, 6418-RZ, 6418-2RZ, 6418RS, 6418-2RS  1.High precision,long life