... -3 (P6),ABEC-5(P5)6) Vibration and Noise level : V2, V1, Z1, Z2 7) Internal clearance ... 9) Brand: YNN, OEM Features of water pump bearings shaft: Auto water pump bearings are combined bearings only for ... WN, WKH, 665000 series, etc. 2 Material of water pump bearing: Mainly the chrome Steel (GCr15) High- ... ball bearings, U-Joint bearings, Linear Bearings, Water pump bearings, etc.Please contact me if you ...