... life c.OEM Service d.Accept Paypal Automotive wheel bearingAutomotive wheel bearing for various brand carsBearing No.O/R# ... , etc.3 retainer: cooper, nylon, bakelite, stainless.4 quality:ISO90005 delivery: great stock and ready goods6 Bore diameter: 1mm ... : GCr15, SiMn etc8 feature: low noise, long life ,high precision,9 apply: machine tools, electrical ,railways,automotive,construction machinery ...