About DONG Daming
About 協同油脂 R&Dセ
About KOMORIYA TOMONOBU
About 協同油脂 R&Dセ
About ENDO TOSHIAKI
About 協同油脂 R&Dセ
About KIMURA YOSHITSUGU
About トライボロジスト
About ball bearing
About grease
About elasto-hydrodynamic lubricaton
About lubricating film
About film thickness
About axial load
About rolling element
About raceway surface
About grease lubrication
About deep groove ball bearing
About Bearings
About 転がり軸受
About 低速
About グリース
About 弾性流体潤滑