Bearings High Quality RS ZZ Series Sealed Deep Groove Ball Rubber Or Metal Seals
The noise is low and the service life is long.
Deep Groove Ball Bearings 6900 – 6906 Double Side Shielded ZZ & RS Bearing Steel
Sizes : 6900 – 6906. Built-in high-strength rolling body, with better load bearing capacity, bearing more durable. Selected excellent bearing steel, long service life, higher precision and lower noise.