5PCS ABEC-5 6704-2RS 6704RS 6704 2RS RS 20x27X4 Mm Miniature Rubber Seal Deep Groove Ball Bearing(ABEC 1)
Special Features
- Bright luster, longer service life, higher accuracy.
- Durability under heavy loads and deformation resistance.
- Bearing has the advantages of small friction coefficient.
- High limit speed, simple structure, low manufacturing cost .
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