6903 Premium Bearing Non Contact Seal LLB NTN

Inner x Outer x Depth (mm): 17 x 30 x 7mm
Used on: Wheels
Brand: NTN
Seals: LLB non contacting ultra low friction seals, where the seal does not contact the rotating parts. Use where rotation speed is most important (usually racing).  If bearing longevity is more important and you use your bike in harsh conditions frequently, then our contacting seal version of this bearing (LLU Seals) might be more appropriate.

These high end precision bearings with ultra low friction seals are a viable alternative to hybrid ceramic bearings, and what we would recommend (instead of hybrid ceramic)

Material: SUJ2 Steel
Cage: Pressed Steel

Note, This listing is for single bearings, and not pairs.

If you require the ultimate in performance for your 'high end' wheels, then look no further than these Premium Bearings with non-contact seals

NTN are a very highly regarded Japanese premium bearing manufacturer, and these bearings are considered to be the best available in the market.