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Features of auto water pump bearings:
1) Usage: auto water pump
2) Material: Gcr15
3) Shield: 2RS
4) Type: ball-ball & ball-roller
5) Vibration and norse level: V2, V1, Z1, Z2
6) Tolerance: ABEC-1 (P0)
7) Internal clearance: Co, C2, C3
8) Hardness: shaft: 58-62HRC; ball & roller: 61-65HRC; outer ring: 60-64HRC
9) Packing method: individual plastic bag/plastic tube + carton + pallet
JHM WR WB automotive water pump bearings