Suitable for:
Yamaha: WR 250F 01, WR 400F 99-00, WR 426 01, YZ 125 99-01,
YZ 250 99-01, YZ 250F 01, YZ 400F 99, YZ 426F 00
Yamaha: WR 250F 01, WR 400F 99-00, WR 426 01, YZ 125 99-01,
YZ 250 99-01, YZ 250F 01, YZ 400F 99, YZ 426F 00
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.