Suitable for:
Yamaha: WR 250F 02-05, WR 426F 02, WR 450F 03-05,
Yamaha: WR 250F 02-05, WR 426F 02, WR 450F 03-05,
YZ 125 02-04, YZ 250 02-15, YZ 250F 02-06, YZ 426F 02, YZ 450F 03-05
PINS
Pins are precision turned, induction hardened and polished in accordance with tolerances set by vehicles' manufacturer. The material employed is SAE52100 high grade bearing steel, it is hardened to above HRC60 and then the raceway is precision grounded.
COLLARS
Collars are precision turned, polished, hardened to HRC48 and then Zinc plated. The material used is automotive's standard SPCC steel.
DUST SEALS
Dust seals are made of Nitrile Butadiene Rubber and strictly molded to exact OEM specifications. They prevent abrasives, corrosive moisture and other harmful contaminants from entering bearings.